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Saturday, October 29, 2022

Mars habitability analogue environments on Earth

From Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Mars_habitability_analogue_environments_on_Earth

Mars habitability analogue environments on Earth are environments that share potentially relevant astrobiological conditions with Mars. These include sites that are analogues of potential subsurface habitats, and deep subsurface habitats.

A few places on Earth, such as the hyper-arid core of the high Atacama Desert and the McMurdo Dry Valleys in Antarctica approach the dryness of current Mars surface conditions. In some parts of Antarctica, the only water available is in films of brine on salt / ice interfaces. There is life there, but it is rare, in low numbers, and often hidden below the surface of rocks (endoliths), making the life hard to detect. Indeed, these sites are used for testing sensitivity of future life detection instruments for Mars, furthering the study of astrobiology, for instance, as a location to test microbes for their ability to survive on Mars, and as a way to study how Earth life copes in conditions that resemble conditions on Mars.

Other analogues duplicate some of the conditions that may occur in particular locations on Mars. These include ice caves, the icy fumaroles of Mount Erebus, hot springs, or the sulfur rich mineral deposits of the Rio Tinto region in Spain. Other analogues include regions of deep permafrost and high alpine regions with plants and microbes adapted to aridity, cold and UV radiation with similarities to Mars conditions.

Precision of analogues

Mars surface conditions are not reproduced anywhere on Earth, so Earth surface analogues for Mars are necessarily partial analogues. Laboratory simulations show that whenever multiple lethal factors are combined, the survival rates plummet quickly. There are no full-Mars simulations published yet that include all of the biocidal factors combined.

  • Ionizing radiation. Curiosity rover measured levels on Mars similar to the interior of the International Space Station (ISS), which is far higher than surface Earth levels.
  • Atmosphere. The Martian atmosphere is a near vacuum while Earth's is not. Through desiccation resistance, some life forms can withstand the vacuum of space in dormant state.
  • UV levels. UV levels on Mars are much higher than on Earth. Experiments show that a thin layer of dust is enough to protect microorganisms from UV radiation.
  • Oxidizing surface. Mars has a surface layer which is highly oxidizing (toxic) because it contains salts such as perchlorates, chlorates, cholorites, and sulfates pervasive in the soil and dust, and hydrogen peroxide throughout the atmosphere. Earth does have some areas that are highly oxidizing, such as the soda lakes, and though not direct analogues, they have conditions that may be duplicated in thin films of brines on Mars.
  • Temperature. Nowhere on Earth reproduces the extreme changes in temperature that happen within a single day on Mars.
  • Dry ice. The Mars surface consists of dry ice (CO2 ice) in many areas. Even in equatorial regions, dry ice mixed with water forms frosts for about 100 days of the year. On Earth, although temperatures on Earth briefly get cold enough for dry ice to form in the Antarctic interior at high altitudes, the partial pressure of carbon dioxide in Earth's atmosphere is too low for dry ice to form because the depositional temperature for dry ice on Earth under 1 bar of pressure is −140 °C (−220 °F) and the lowest temperature recorded in Antarctica is −94.7 °C (−138.5 °F), recorded in 2010 by satellite.

These partial analogues are useful, for instance for:

  • Testing life detection equipment which may one day be sent to Mars
  • Studying conditions for preservation of past life on Mars (biosignatures)
  • Studying adaptations to conditions similar to those that may occur on Mars
  • As a source of microbes, lichens etc. that can be studied as they may exhibit resistance to some conditions present on Mars.

Atacama Desert

The Atacama Desert plateau lies at an altitude of 3,000 meters and lies between the Pacific and the Andes mountains. Its Mars-like features include

  • Hyper arid conditions
  • Cold compared to most arid deserts because of the altitude
  • High levels of UV light (because it is relatively cloudless, also the higher altitude means less air to filter the UV out, and the ozone layer is somewhat thinner above sites in the southern hemisphere than above corresponding sites in the northern hemisphere)
  • Salt basins, which also include perchlorates making them the closest analogues to Martian salts on Earth.

Yungay area

The Yungay area at the core of the Atacama Desert used to be considered the driest area on Earth for more than a decade, until the discovery in 2015 that Maria Elena South is drier. It can go centuries without rainfall, and parts of it have been hyper-arid for 150 million years. The older regions in this area have salts that are amongst the closest analogues of salts on Mars because these regions have nitrate deposits that contain not only the usual chlorides, but also sulfates, chlorates, chromates, iodates, and perchlorates. The infrared spectra are similar to the spectra of bright soil regions of Mars.

The Yungay area has been used for testing instruments intended for future life detection missions on Mars, such as the Sample Analysis at Mars instruments for Curiosity, the Mars Organic Analyzer for ExoMars, and Solid3 for Icebreaker Life, which in 2011, in a test of its capabilities, was able to find a new "microbial oasis" for life two meters below the surface of the Atacama desert. It is the current testing site for the Atacama Rover Astrobiology Drilling Studies (ARADS) project to improve technology and strategies for life detection on Mars.

Experiments conducted on Mars have also been successfully repeated in this region. In 2003, a group led by Chris McKay repeated the Viking Lander experiments in this region and got the same results as those of the Viking landers on Mars: decomposition of the organics by non-biological processes. The samples had trace elements of organics, no DNA was recovered, and extremely low levels of culturable bacteria. This led to increased interest in the site as a Mars analogue.

Although hardly any life, including plant or animal life, exists in this area, the Yungay area does have some microbial life, including cyanobacteria, both in salt pillars, as a green layer below the surface of rocks, and beneath translucent rocks such as quartz. The cyanobacteria in the salt pillars have the ability to take advantage of the moisture in the air at low relative humidities. They begin to photosynthesize when the relative humidity rises above the deliquescence relative humidity of salt, at 75%, presumably making use of deliquescence of the salts. Researchers have also found that cyanobacteria in these salt pillars can photosynthesize when the external relative humidity is well below this level, taking advantage of micropores in the salt pillars which raise the internal relative humidity above the external levels.

Maria Elena South

This site is even drier than the Yungay area. It was found through a systematic search for drier regions than Yungay in the Atacama Desert, using relative humidity data loggers set up from 2008 to 2012, with the results published in 2015. The relative humidity is the same as the lowest relative humidity measured by Curiosity rover.

A 2015 paper reported an average atmospheric relative humidity 17.3%, and soils relative humidity a constant 14% at depth of 1 meter, which corresponds to the lowest humidity measured by Curiosity rover on Mars. This region's maximum atmospheric relative humidity is 54.7% compared with 86.8% for the Yungay region.

The following living organisms were also found in this region:

There was no decrease in the numbers of species as the soil depth increased down to a depth of one meter, although different microbes inhabited different soil depths. There was no colonization of gypsum, showing the extreme dryness of the site.

No archaea was detected in this region using the same methods that detected archaea in other regions of the Atacama Desert. The researchers said that if this is confirmed in studies of similarly dry sites, it could mean that "there may be a dry limit for this domain of life on Earth."

McMurdo Dry Valleys in Antarctica

Researchers scout out field sites in Antarctica's Beacon Valley, one of McMurdo Dry Valleys, is one of the most Mars-like places on Earth in terms of cold and dryness.

These valleys lie on the edge of the Antarctic plateau. They are kept clear of ice and snow by fast katabatic winds that blow from the plateau down through the valleys. As a result, they are amongst the coldest and driest areas in the world.

The central region of Beacon Valley is considered to be one of the best terrestrial analogues for the current conditions on Mars. There is snowdrift and limited melting around the edges and occasionally in the central region, but for the most part, moisture is only found as thin films of brine around permafrost structures. It has slightly alkaline salt rich soil.

Katabatic winds

Don Juan Pond

Don Juan Pond is a small pond in Antarctica, 100 meters by 300 meters, and 10 cm deep, that is of great interest for studying the limits of habitability in general. Research using a time-lapse camera shows that it is partly fed by deliquescing salts. The salts absorb water by deliquescence only, at times of high humidity, then flows down the slope as salty brines. These then mix with snow melt, which feeds the lake. The first part of this process may be related to the processes that form the Recurring Slope Lineae (RSLs) on Mars.

This valley has an exceptionally low water activity (aw) of 0.3 to 0.6. Though microbes have been retrieved from it, they have not been shown to be able to reproduce in the salty conditions present in the lake, and it is possible that they only got there through being washed in by the rare occasions of snow melt feeding the lake.

Blood Falls

Blood Falls seeps from the end of the Taylor Glacier into Lake Bonney. The tent at left provides a sense of scale
 
A schematic cross-section of Blood Falls showing how subglacial microbial communities have survived in cold, darkness, and absence of oxygen for a million years in brine water below Taylor Glacier.

This unusual flow of melt water from below the glacier gives scientists access to an environment they could otherwise only explore by drilling (which would also risk contaminating it). The melt water source is a subglacial pool of unknown size which sometimes overflows. Biogeochemical analysis shows that the water is marine in source originally. One hypothesis is that the source may be the remains of an ancient fjord that occupied the Taylor valley in the tertiary period. The ferrous iron dissolved in the water oxidizes as the water reaches the surface, turning the water red.

Its autotrophic bacteria metabolize sulfate and ferric ions. According to geomicrobiologist Jill Mikucki at the University of Tennessee, water samples from Blood Falls contained at least 17 different types of microbes and almost no oxygen. An explanation may be that the microbes use sulfate as a catalyst to respire with ferric ions and metabolize the trace levels of organic matter trapped with them. Such a metabolic process had never before been observed in nature. This process is of astrobiological importance as an analogue for environments below the Glaciers on Mars, if there is any liquid water there, for instance through hydrothermal melting (though none such has been discovered yet). This process is also an analogue for cryovolcanism in icy moons such as Enceladus.

Subglacial environments in Antarctica need similar protection protocols to interplanetary missions.

"7. Exploration protocols should also assume that the subglacial aquatic environments contain living organisms, and precautions should be adopted to prevent any permanent alteration of the biology (including introduction of alien species) or habitat properties of these environments.

28. Drilling fluids and equipment that will enter the subglacial aquatic environment should be cleaned to the extent practicable, and records should be maintained of sterility tests (e.g., bacterial counts by fluorescence microscopy at the drilling site). As a provisional guideline for general cleanliness, these objects should not contain more microbes than are present in an equivalent volume of the ice that is being drilled through to reach the subglacial environment. This standard should be re-evaluated when new data on subglacial aquatic microbial populations become available".

Blood Falls was used as the target for testing IceMole in November 2014. This is being developed in connection with the Enceladus Explorer (EnEx) project by a team from the FH Aachen in Germany. The test returned a clean subglacial sample from the outflow channel from Blood Falls. Ice Mole navigates through the ice by melting it, also using a driving ice screw, and using differential melting to navigate and for hazard avoidance. It is designed for autonomous navigation to avoid obstacles such as cavities and embedded meteorites, so that it can be deployed remotely on Encladus. It uses no drilling fluids, and can be sterilized to suit the planetary protection requirements as well as the requirements for subglacial exploration. The probe was sterilized to these protocols using hydrogen peroxide and UV sterilization. Also, only the tip of the probe samples the liquid water directly.

Qaidam Basin

David Rubin of the USGS Pacific Coastal and Marine Science Center at Qaidam Basin

At 4,500 metres (14,800 ft), Qaidam Basin is the plateau with highest average elevation on the Earth. The atmospheric pressure is 50% - 60% of sea level pressures, and as a result of the thin atmosphere it has high levels of UV radiation, and large temperature swings from day to night. Also, the Himalayas to the South block humid air from India, making it hyper arid.

In the most ancient playas (Da Langtang) at the north west of the plateau, the evaporated salts are magnesium sulfates (sulfates are common on Mars). This, combined with the cold and dryness conditions make it an interesting analogue of the Martian salts and salty regolith. An expedition found eight strains of Haloarchaea inhabiting the salts, similar to some species of Virgibacillus, Oceanobacillus, Halobacillus, and Ter-ribacillus.

Mojave Desert

Mojave Desert map

The Mojave Desert is a desert within the United States that is often used for testing Mars rovers. It also has useful biological analogues for Mars.

  • Some arid conditions and chemical processes are similar to Mars.
  • Has extremophiles within the soils.
  • Desert varnish similar to Mars.
  • Carbonate rocks with iron oxide coatings similar to Mars - niche for microbes inside and underneath the rocks, protected from the sun by the iron oxide coating, if microbes existed or exist on Mars they could be protected similarly by the iron oxide coating of rocks there.

Other analogue deserts

  • Namib Desert - oldest desert, life with limited water and high temperatures, large dunes and wind features
  • Ibn Battuta Centre Sites, Morocco - several sites in the Sahara desert that are analogues of some of the conditions on present day Mars, and used for testing of ESA rovers and astrobiological studies.

Axel Heiberg Island (Canada)

Gypsum Hill is located in Arctic

Two sites are of special interest: Colour Peak and Gypsum Hill, two sets of cold saline springs on Axel Heiberg Island that flow with almost constant temperature and flow rate throughout the year. The air temperatures are comparable to the McMurdo Dry Valleys, range -15 °C to -20 °C (for the McMurdo Dry Valleys -15 °C to -40 °C). The island is an area of thick permafrost with low precipitation, leading to desert conditions. The water from the springs has a temperature of between -4 °C and 7 °C. A variety of minerals precipitate out of the springs including gypsum, and at Colour Peak crystals of the metastable mineral ikaite (CaCO
3
·6H
2
O
) which decomposes rapidly when removed from freezing water.

"At these sites permafrost, frigid winter temperatures, and arid atmospheric conditions approximate conditions of present-day, as well as past, Mars. Mineralogy of the three springs is dominated by halite (NaCl), calcite (CaCO
3
), gypsum (CaSO
4
·2 H2O), thenardite (Na
2
SO
4
), mirabilite (Na
2
SO
4
·10H
2
O
), and elemental sulfur (S°).

Some of the extremophiles from these two sites have been cultured in simulated Martian environment, and it is thought that they may be able to survive in a Martian cold saline spring, if such exist.

Colour Lake Fen

This is another Mars analogue habitat in Axel Heiberg Island close to Colour Peak and Gypsum Hill. The frozen soil and permafrost hosts many microbial communities that are tolerant of anoxic, acid, saline and cold conditions. Most are in survival rather than colony forming mode. Colour Lake Fen is a good terrestrial analogue of the saline acidic brines that once existed in the Meridani Planum region of Mars and may possibly still exist on the martian surface. Some of the microbes found there are able to survive in Mars-like conditions.

"A martian soil survey in the Meridiani Planum region found minerals indicative of saline acidic brines. Therefore acidic cryosol/permafrost habitats may have once existed and are perhaps still extant on the martian surface. This site comprises a terrestrial analogue for these environments and hosts microbes capable of survival under these Mars-like conditions"

Rio Tinto, Spain

Rio Tinto is located in Spain

Rio Tinto is the largest known sulfide deposit in the world, and it is located in the Iberian Pyrite Belt.

Riotintoagua

Many of the extremophiles that live in these deposits are thought to survive independently of the Sun. This area is rich in iron and sulfur minerals such as

  • hematite (Fe
    2
    O
    3
    ) which is common in the Meridiani Planum area of Mars explored by Opportunity rover and though to be signs of ancient hot springs on Mars.
Jarosite, on quartz
  • jarosite (KFe3+
    3
    (OH)
    6
    (SO
    4
    )
    2
    ), discovered on Mars by Opportunity and on Earth forms either in acid mine drainage, during oxidation of sulphide minerals, and during alteration of volcanic rocks by acidic, sulphur-rich fluids near volcanic vents.

Permafrost soils

Much of the water on Mars is permanently frozen, mixed with the rocks. So terrestrial permafrosts are a good analogue. And some of the Carnobacterium species isolated from permafrosts have the ability to survive under the conditions of the low atmospheric pressures, low temperatures and CO
2
dominated anoxic atmosphere of Mars.

Ice caves

Ice caves, or ice preserved under the surface in cave systems protected from the surface conditions, may exist on Mars. The ice caves near the summit of Mount Erebus in Antarctica, are associated with fumaroles in a polar alpine environments starved in organics and with oxygenated hydrothermal circulation in highly reducing host rock.

Cave systems

Mines on Earth give access to deep subsurface environments which turn out to be inhabited, and deep caves may possibly exist on Mars, although without the benefits of an atmosphere.

Basaltic lava tubes

The only caves found so far on Mars are lava tubes. These are insulated to some extent from surface conditions and may retain ice also when there is none left on the surface, and may have access to chemicals such as hydrogen from serpentization to fuel chemosynthetic life. Lava tubes on Earth have microbial mats, and mineral deposits inhabited by microbes. These are being studied to help with identification of life on Mars if any of the lava tubes there are inhabited.

Lechuguilla Cave

First of the terrestrial sulfur caves to be investigated as a Mars analogue for sulfur based ecosystems that could possibly exist underground also on Mars. On Earth, these form when hydrogen sulfide from below the cave meets the surface oxygenated zone. As it does so, sulfuric acid forms, and microbes accelerate the process.

The high abundance of sulfur on Mars combined with presence of ice, and trace detection of methane suggest the possibility of sulfur caves below the surface of Mars like this.

Cueva de Villa Luz

The Snottites in the toxic sulfur cave Cueva de Villa Luz flourish on Hydrogen Sulfide gas and though some are aerobes (though only needing low levels of oxygen), some of these species (e.g. Acidianus), like those that live around hydrothermal vents, are able to survive independent of a source of oxygen. So the caves may give insight into subsurface thermal systems on Mars, where caves similar to the Cueva de Villa Luz could occur.

Movile Cave

  • Movile Cave is thought to have been isolated from the atmosphere and sunlight for 5.5 million years.
  • Atmosphere rich in H
    2
    S
    and CO
    2
    with 1% - 2% CH
    4
    (methane)
  • It does have some oxygen, 7-10% O
    2
    in the cave atmosphere, compared to 21% O
    2
    in the air
  • Microbes rely mainly on sulfide and methane oxidation.
  • Has 33 vertebrates and a wide range of indigenous microbes.

Magnesium sulfate lakes

Spotted Lake close-up
Spotted Lake in British Columbia, Canada. Its sulfate concentrations are amongst the highest in the world. Every summer the water evaporated to form this pattern of interconnected brine pools separated by salt crusts.
 
Crystals of Meridianiite, formula Magnesium sulfate 11 hydrate MgSO
4
·11H
2
O
. Evidence from orbital measurements show that this is the phase of Magnesium sulfate which would be in equilibrium with the ice in the Martian polar and sub polar regions It also occurs on the Earth, for instance in Basque Lake 2 in Western Columbia, which may give an analogue for Mars habitats.
 
Vugs on Mars which may be voids left by Meridianiite when it dissolved or dehydrated

Opportunity found evidence for magnesium sulfates on Mars (one form of it is epsomite, or "Epsom salts"), in 2004. Curiosity rover has detected calcium sulfates on Mars. Orbital maps also suggest that hydrated sulfates may be common on Mars. The orbital observations are consistent with iron sulfate or a mixture of calcium and magnesium sulfate.

Magnesium sulfate is a likely component of cold brines on Mars, especially with the limited availability of subsurface ice. Terrestrial magnesium sulfate lakes have similar chemical and physical properties. They also have a wide range of halophilic organisms, in all the three Kingdoms of life (Archaea, Bacteria and Eukaryota), in the surface and near subsurface. With the abundance of algae and bacteria, in alkaline hypersaline conditions, they are of astrobiological interest for both past and present life on Mars.

These lakes are most common in western Canada, and the northern part of Washington state, USA. One of the examples, is Basque Lake 2 in Western Canada, which is highly concentrated in magnesium sulfate. In summer it deposits epsomite ("Epsom salts"). In winter, it deposits meridianiite. This is named after Meridiani Planum where Opportunity rover found crystal molds in sulfate deposits (Vugs) which are thought to be remains of this mineral which have since been dissolved or dehydrated. It is preferentially formed at subzero temperatures, and is only stable below 2 °C, while Epsomite (MgSO
4
·7H
2
O
) is favored at higher temperatures.

Another example is Spotted Lake, which shows a wide variety of minerals, most of them sulfates, with sodium, magnesium and calcium as cations.

"Dominant minerals included blöedite Na
2
Mg(SO
4
)
2
·4H
2
O
, konyaite Na
2
Mg(SO
4
)
2
·5H
2
O
, epsomite MgSO
4
·7H
2
O
, and gypsumCaSO
4
·2H
2
O
, with minor eugsterite, picromerite, syngenite, halite, and sylvite".

Some of the microbes isolated have been able to survive the high concentrations of magnesium sulfates found in Martian soils, also at low temperatures that may be found on Mars.

Sulfates (for instance of sodium, magnesium and calcium) are also common in other continental evaporates (such as the salars of the Atacama Desert), as distinct from salt beds associated with marine deposits which tend to consist mainly of halites (chlorides).

Subglacial lakes

Lake Vostok drill 2011

Subglacial lakes such as Lake Vostok may give analogues of Mars habitats beneath ice sheets. Sub glacial lakes are kept liquid partly by the pressure of the depth of ice, but that contributes only a few degrees of temperature rise. The main effect that keeps them liquid is the insulation of the ice blocking escape of heat from the interior of the Earth, similarly to the insulating effect of deep layers of rock. As for deep rock layers, they don't require extra geothermal heating below a certain depth.

In the case of Mars, the depth needed for geothermal melting of the basal area of a sheet of ice is 4-6 kilometers. The ice layers are probably only 3.4 to 4.2 km in thickness for the north polar cap. However, it was shown that the situation is different when considering a lake that is already melted. When they applied their model to Mars, they showed that a liquid layer, once melted (initially open to the surface of the ice), could remain stable at any depth over 600 meters even in absence of extra geothermal heating. According to their model, if the polar regions had a subsurface lake perhaps formed originally through friction as a subglacial lake at times of favourable axial tilt, then supplied by accumulating layers of snow on top as the ice sheets thickened, they suggest that it could still be there. If so, it could be occupied by similar life forms to those that could survive in Lake Vostok.

Ground penetrating radar could detect these lakes because of the high radar contrast between water and ice or rock. MARSIS, the ground penetrating radar on ESA's Mars Express detected a subglacial lake in Mars near the south pole.

Subsurface life kilometers below the surface

Investigations of life in deep mines, and drilling beneath the ocean depths may give an insight into possibilities for life in the Mars hydrosphere and other deep subsurface habitats, if they exist.

Mponeng gold mine in South Africa

  • bacteria obtain their energy from hydrogen oxidation linked to sulfate reduction, living independent of the surface
  • nematodes feeding on those bacteria, again living independent of the surface.
  • 3 to 4 km depth

Boulby Mine on the edge of the Yorkshire moors

  • 250 million year halite (chloride) and sulfate salts
  • High salinity and low water activity
  • 1.1. km depth
  • Anaerobic microbes that could survive cut off from the atmosphere

Alpine and permafrost lichens

In high alpine and polar regions, lichens have to cope with conditions of high UV fluxes low temperatures and arid environments. This is especially so when the two factors, polar regions and high altitudes are combined. These conditions occur in the high mountains of Antarctica, where lichens grow at altitudes up to 2,000 meters with no liquid water, just snow and ice. Researchers described this as the most Mars-like environment on the Earth.

Environmental effects of irrigation

From Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Environmental_effects_of_irrigation

The first environmental effect is increased crop growth such as in the Rubaksa gardens in Ethiopia

The environmental effects of irrigation relate to the changes in quantity and quality of soil and water as a result of irrigation and the subsequent effects on natural and social conditions in river basins and downstream of an irrigation scheme. The effects stem from the altered hydrological conditions caused by the installation and operation of the irrigation scheme.

Amongst some of these problems is depletion of underground aquifers through overdrafting. Soil can be over-irrigated due to poor distribution uniformity or management wastes water, chemicals, and may lead to water pollution. Over-irrigation can cause deep drainage from rising water tables that can lead to problems of irrigation salinity requiring watertable control by some form of subsurface land drainage. However, if the soil is under irrigated, it gives poor soil salinity control which leads to increased soil salinity with the consequent buildup of toxic salts on the soil surface in areas with high evaporation. This requires either leaching to remove these salts and a method of drainage to carry the salts away. Irrigation with saline or high-sodium water may damage soil structure owing to the formation of alkaline soil.

Direct effects

An irrigation scheme draws water from groundwater, rivers, lakes or overland flow, and distributes it over a certain area. Hydrological, or direct, effects of doing this include reduction in downstream river flow, increased evaporation in the irrigated area, increased level in the water table as groundwater recharge in the area is increased and flow increased in the irrigated area. Likewise, irrigation has immediate effects on the provision of moisture to the atmosphere, inducing atmospheric instabilities and increasing downwind rainfall, or in other cases modifies the atmospheric circulation, delivering rain to different downwind areas. Increases or decreases in irrigation are a key area of concern in precipitationshed studies, that examine how significant modifications to the delivery of evaporation to the atmosphere can alter downwind rainfall.

Indirect Effects

Indirect effects are those that have consequences that take longer to develop and may also be longer-lasting. The indirect effects of irrigation include the following:

The indirect effects of waterlogging and soil salination occur directly on the land being irrigated. The ecological and socioeconomic consequences take longer to happen but can be more far-reaching.

Some irrigation schemes use water wells for irrigation. As a result, the overall water level decreases. This may cause water mining, land/soil subsidence, and, along the coast, saltwater intrusion.

Irrigated land area worldwide occupies about 16% of the total agricultural area and the crop yield of irrigated land is roughly 40% of the total yield. In other words, irrigated land produces 2.5 times more product than non-irrigated land.

Adverse impacts

Reduced river flow

The reduced downstream river flow may cause:

  • reduced downstream flooding
  • disappearance of ecologically and economically important wetlands or flood forests
  • reduced availability of industrial, municipal, household, and drinking water
  • reduced shipping routes. Water withdrawal poses a serious threat to the Ganges. In India, barrages control all of the tributaries to the Ganges and divert roughly 60 percent of river flow to irrigation
  • reduced fishing opportunities. The Indus River in Pakistan faces scarcity due to the over-extraction of water for agriculture. The Indus is inhabited by 25 amphibian species and 147 fish species of which 22 are found nowhere else in the world. It harbors the endangered Indus river dolphin, one of the world's rarest mammals. Fish populations, the main source of protein and overall life support systems for many communities, are also being threatened
  • reduced discharge into the sea, which may have various consequences like coastal erosion (e.g. in Ghana) and saltwater intrusion in delta's and estuaries (e.g. in Egypt, see Aswan dam). Current water withdrawal from the river Nile for irrigation is so high that, despite its size, in dry periods the river does not reach the sea. The Aral Sea has suffered an "environmental catastrophe" due to the interception of river water for irrigation purposes.

Increased groundwater recharge, waterlogging, soil salinity

Looking over the shoulder of a Peruvian farmer in the Huarmey delta at waterlogged and salinised irrigated land with a poor crop stand. This illustrates an environmental impact of upstream irrigation developments causing an increased flow of groundwater to this lower-lying area, leading to adverse conditions.

Increased groundwater recharge stems from the unavoidable deep percolation losses occurring in the irrigation scheme. The lower the irrigation efficiency, the higher the losses. Although fairly high irrigation efficiencies of 70% or more (i.e. losses of 30% or less) can occur with sophisticated techniques like sprinkler irrigation and drip irrigation, or by well managed surface irrigation, in practice the losses are commonly in the order of 40% to 60%. This may cause the following issues:

  • rising water tables
  • increased storage of groundwater that may be used for irrigation, municipal, household, and drinking water by pumping from wells
  • waterlogging and drainage problems in villages, agricultural lands, and along roads - with mostly negative consequences. The increased level of the water table can lead to reduced agricultural production.
  • shallow water tables - a sign that the aquifer is unable to cope with the groundwater recharge stemming from the deep percolation losses
  • where water tables are shallow, the irrigation applications are reduced. As a result, the soil is no longer leached and soil salinity problems develop
  • stagnant water tables at the soil surface are known to increase the incidence of water-borne diseases like malaria, filariasis, yellow fever, dengue, and schistosomiasis (Bilharzia) in many areas. Health costs, appraisals of health impacts and mitigation measures are rarely part of irrigation projects, if at all.
  • to mitigate the adverse effects of shallow water tables and soil salinization, some form of watertable control, soil salinity control, drainage and drainage system is needed
  • as drainage water moves through the soil profile it may dissolve nutrients (either fertilizer-based or naturally occurring) such as nitrates, leading to a buildup of those nutrients in the ground-water aquifer. High nitrate levels in drinking water can be harmful to humans, particularly infants under 6 months, where it is linked to "blue-baby syndrome" (see Methemoglobinemia).

Reduced downstream river water quality

Owing to drainage of surface and groundwater in the project area, which waters may be salinized and polluted by agricultural chemicals like biocides and fertilizers, the quality of the river water below the project area can deteriorate, which makes it less fit for industrial, municipal and household use. It may lead to reduced public health.

Polluted river water entering the sea may adversely affect the ecology along the seashore (see Aswan dam).

The natural contribution of sediments can be eliminated by the detention of sediments behind the dams critical to surface water irrigation diversions. Sedimentation is an essential part of the ecosystem that requires the natural flux of the river flow. This natural cycle of sediment dispersion replenishes the nutrients in the soil, which will, in turn, determine the livelihood of the plants and animals that rely on the sediments carried downstream. The benefits of heavy deposits of sedimentation can be seen in large rivers like the Nile River. The sediment from the delta has built up to form a giant aquifer during flood season and retains water in the wetlands. The wetlands that are created and sustained due to built-up sediment at the basin of the river are a habitat for numerous species of birds. However, heavy sedimentation can reduce downstream river water quality and can exacerbate floods upstream. This has been known to happen in the Sanmenxia reservoir in China. The Sanmenxia reservoir is part of a larger man-made project of hydroelectric dams called the Three Gorge Project  In 1998, uncertain calculations and heavy sediment greatly affected the reservoir’s ability to properly fulfill its flood-control function  This also reduces the downstream river water quality. Shifting more towards mass irrigation installments in order to meet more socioeconomic demands is going against the natural balance of nature, and use water pragmatically- use it where it is found

Affected downstream water users

Water becomes scarce for nomadic pastoralist in Baluchistan due to new irrigation developments

Downstream water users often have no legal water rights and may fall victim to the development of irrigation.

Pastoralists and nomadic tribes may find their land and water resources blocked by new irrigation developments without having legal recourse.

Flood-recession cropping may be seriously affected by the upstream interception of river water for irrigation purposes.

  • In Baluchistan, Pakistan, the development of new small-scale irrigation projects depleted the water resources of nomadic tribes traveling annually between Baluchistan and Gujarat or Rajasthan, India
  • After the closure of the Kainji dam, Nigeria, 50 to 70 per cent of the downstream area of flood-recession cropping was lost
Lake Manantali, 477 km2, displaced 12,000 people.

Lost land use opportunities

Irrigation projects may reduce the fishing opportunities of the original population and the grazing opportunities for cattle. The livestock pressure on the remaining lands may increase considerably, because the ousted traditional pastoralist tribes will have to find their subsistence and existence elsewhere, overgrazing may increase, followed by serious soil erosion and the loss of natural resources.
The Manatali reservoir formed by the Manantali dam in Mali intersects the migration routes of nomadic pastoralists and destroyed 43000 ha of savannah, probably leading to overgrazing and erosion elsewhere. Further, the reservoir destroyed 120 km2 of forest. The depletion of groundwater aquifers, which is caused by the suppression of the seasonal flood cycle, is damaging the forests downstream of the dam.

Groundwater mining with wells, land subsidence

Flooding as a consequence of land subsidence

When more groundwater is pumped from wells than replenished, storage of water in the aquifer is being mined and the use of that water is no longer sustainable. As levels fail, it becomes more difficult to extract water and pumps will struggle to maintain the design flow rate and may consume more energy per unit of water. Eventually, it may become so difficult to extract groundwater that farmers may be forced to abandon irrigated agriculture.
Some notable examples include:

  • The hundreds of tubewells installed in the state of Uttar Pradesh, India, with World Bank funding have operating periods of 1.4 to 4.7 hours/day, whereas they were designed to operate 16 hours/day
  • In Baluchistan, Pakistan, the development of tubewell irrigation projects was at the expense of the traditional qanat or karez users
  • groundwater-related subsidence of the land due to mining of groundwater occurred in the United States at a rate of 1m for every 13m that the water table was lowered
  • Homes at Greens Bayou near Houston, Texas, where 5 to 7 feet of subsidence has occurred, was flooded during a storm in June 1989 as shown in the picture

Simulation and prediction

The effects of irrigation on the water table, soil salinity and salinity of drainage and groundwater, and the effects of mitigative measures can be simulated and predicted using agro-hydro-salinity models like SaltMod and SahysMod

Case studies

  1. In India 2.19 million ha of land has been reported to suffer from waterlogging in irrigation canal commands. Also, 3.47 million ha were reported to be seriously salt-affected
  2. In the Indus Plains in Pakistan, more than 2 million hectares of land are waterlogged. The soil of 13.6 million hectares within the Gross Command Area was surveyed, which revealed that 3.1 million hectares (23%) were saline. 23% of this was in Sindh and 13% in the Punjab. More than 3 million ha of water-logged lands have been provided with tube-wells and drains at the cost of billions of rupees, but the reclamation objectives were only partially achieved. The Asian Development Bank (ADB) states that 38% of the irrigated area is now waterlogged and 14% of the surface is too saline for use
  3. In the Nile delta of Egypt, drainage is being installed in millions of hectares to combat the water-logging resulting from the introduction of massive perennial irrigation after completion of the High Dam at Assuan
  4. In Mexico, 15% of the 3 million ha of irrigable land is salinized and 10% is waterlogged
  5. In Peru some 0.3 million ha of the 1.05 million ha of irrigable land suffers from degradation (see Irrigation in Peru).
  6. Estimates indicate that roughly one-third of the irrigated land in the major irrigation countries is already badly affected by salinity or is expected to become so in the near future. Present estimates for Israel are 13% of the irrigated land, Australia 20%, China 15%, Iraq 50%, Egypt 30%. Irrigation-induced salinity occurs in large and small irrigation systems alike
  7. FAO has estimated that by 1990 about 52 million ha of irrigated land will need to have improved drainage systems installed, much of it subsurface drainage to control salinity

Reduced downstream drainage and groundwater quality

  • The downstream drainage water quality may deteriorate owing to leaching of salts, nutrients, herbicides and pesticides with high salinity and alkalinity. There is the threat of soils converting into saline or alkali soils. This may negatively affect the health of the population at the tail-end of the river basin and downstream of the irrigation scheme, as well as the ecological balance. The Aral Sea, for example, is seriously polluted by drainage water.
  • The downstream quality of the groundwater may deteriorate in a similar way as the downstream drainage water and have similar consequences

Mitigation of adverse effects

Irrigation can have a variety of negative impacts on ecology and socioeconomy, which may be mitigated in a number of ways. These include siting the irrigation project in a location that minimizes negative impacts. The efficiency of existing projects can be improved and existing degraded croplands can be improved rather than establishing a new irrigation project. Developing small-scale, individually owned irrigation systems as an alternative to large-scale, publicly owned and managed schemes. The use of sprinkler irrigation and micro-irrigation systems decreases the risk of waterlogging and erosion. Where practicable, using treated wastewater makes more water available to other users Maintaining flood flows downstream of the dams can ensure that an adequate area is flooded each year, supporting, amongst other objectives, fishery activities.

Delayed environmental impacts

It often takes time to accurately predict the impact that new irrigation schemes will have on the ecology and socioeconomy of a region. By the time these predictions are available, a considerable amount of time and resources may have already been expended in the implementation of that project. When that is the case, the project managers will often only change the project if the impact would be considerably more than they had originally expected.

Case study in Malawi

Frequently irrigation schemes are seen as extremely necessary for socioeconomic well-being especially in developing countries. One example of this can be demonstrated from a proposal for an irrigation scheme in Malawi. Here it was shown that the potential positive effects of the irrigation project that was being proposed "outweighed the potential negative impacts". It was stated that the impacts would mostly "be localized, minimal, a short term occurring during the construction and operation phases of the Project". In order to help alleviate and prevent major environmental impacts, they would use techniques that minimize the potential negative impacts. As far as the region's socioeconomic well-being, there would be no "displacement and/or resettlement envisioned during the implementation of the project activities". The original primary purposes of the irrigation project were to reduce poverty, improve food security, create local employment, increase household income and enhance the sustainability of land use.

Due to this careful planning, this project was successful both in improving the socioeconomic conditions in the region and ensuring that land and water are sustainable into the future.

History of Russia (1991–present)

From Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/History_of_Russia_(1991%E2%80%93present)

Russian Federation
Российская Федерация
1991–present
Anthem: 
Патриотическая песня
Patrioticheskaya pesnya
"The Patriotic Song"
(1991–2000)
1:17

Государственный гимн Российской Федерации
Gosudarstvennyy gimn Rossiyskoy Federatsii
"State Anthem of the Russian Federation"
(2000–present)
1:22
Russian territory since 2014 on the globe, with unrecognised territory shown in light green.[a]
Russian territory since 2014 on the globe, with unrecognised territory shown in light green.
Capital
and largest city
Moscow
55°45′N 37°37′E
Official language
and national language
Russian
Recognised national languagesSee Languages of Russia
Ethnic groups
(2010)
Religion
(2017)
Demonym(s)Russian
GovernmentFederal socialist republic
(1991–1993)
Federal semi-presidential constitutional republic
(1993–present)
President 

• 1991–1999
Boris Yeltsin
• 1999–2008
Vladimir Putin
• 2008–2012
Dmitry Medvedev
• 2012–present
Vladimir Putin
Prime Minister 

• 1991–1992
Boris Yeltsin (first)
• 2020–present
Mikhail Mishustin (current)
LegislatureSupreme Soviet
(1991–1993)
Federal Assembly
(1993–present)
Soviet of Nationalities
(1991–1993)
Federation Council
(1993–present)
Soviet of the Republic
(1991–1993)
State Duma
(1993–present)
Independence 
from the Soviet Union

12 June 1990
23 August 1991
• Renamed
26 December 1991
26 December 1991
12 December 1993
8 December 1999
18 March 2014
4 July 2020
Area
• Total
17,098,246 km2 (6,601,670 sq mi) 17,125,200 km2 (including Crimea) (1st)
• Water (%)
13 (including swamps)
Population
• 2022 estimate
  • Neutral decrease 145,478,097
  • (including Crimea)
  • Neutral decrease 143,054,637
  • (excluding Crimea)
(9th)
• Density
8.4/km2 (21.8/sq mi) (181st)
GDP (PPP)2021 estimate
• Total
Increase $4.365 trillion (6th)
• Per capita
Increase $30,013 (55th)
GDP (nominal)2021 estimate
• Total
Increase $1.829 trillion (11th)
• Per capita
Increase $12,575 (64th)
Gini (2018)Positive decrease 36.0
medium · 98th
HDI (2019)Increase 0.824
very high · 52nd
CurrencyRussian ruble () (RUB)
Time zoneUTC+2 to +12
Driving sideright
Calling code+7
ISO 3166 codeRU
Internet TLD
Preceded by

Soviet Union
Russian SFSR

The modern history of Russia began with the Russian Republic of the Soviet Union gaining more political and economical autonomy amidst the imminent dissolution of the USSR during 1990–1991, proclaiming its sovereignty inside the Union in June 1990, and electing its first President Boris Yeltsin a year later. The Russian SFSR was the largest republic within the Soviet Union, but it had no significant independence before, being the only Soviet republic to not have its own branch of the Communist Party.

The RSFSR was the largest of the fifteen republics that made up the USSR, accounting for over 60% of the GDP and over 50% of the Soviet population. Russians also dominated the Soviet military and the Communist Party. As such, the Russian Federation was widely accepted as the USSR's successor state in diplomatic affairs and it assumed the USSR's permanent membership and veto in the UN Security Council (see Russia and the United Nations).

Prior to the dissolution of the USSR, Yeltsin had been elected President of the RSFSR in June 1991 in the first direct presidential election in Russian history. This ensured that he would be the political leader of the Russian successor state following dissolution. This situation resulted in political turmoil as the Soviet and Russian leadership wrestled for control, which culminated in the 1991 August coup, where the Soviet military attempted to overthrow Mikhail Gorbachev. Although the coup was ultimately averted, this situation contributed to rising instability in the Soviet Union. As the USSR was on the verge of collapse by October 1991, Yeltsin announced that Russia would proceed with radical reforms, including market-oriented reform along the lines of Poland's "big bang", also known as "shock therapy". Following Yeltsin's resignation in 1999, Russia's politics have since been dominated by Vladimir Putin, serving as either President or Prime Minister. Although the Russian economy has improved significantly under Putin's leadership following relative economic chaos under Yeltsin, Putin has also been widely accused of corruption, authoritarian leadership, and widespread human rights abuses.

For the most part, the Russian armed forces were in near complete disarray by 1992, one year after dissolution. This degraded military effectiveness would become all too clear during the 1994 Chechen War, but in the interim this posed some significant practical challenges for global security and arms control. Under Russian leadership, the Lisbon Protocol ensured that former Soviet republics would disarm themselves of nuclear weapons. This may have been particularly important for Kazakhstan which hosted a significant share of the world's nuclear weapons immediately following the dissolution of the Soviet Union. However, the former Soviet republics were able to maintain transnational cooperation in other military areas, like establishing shared responsibility for the rocket and space infrastructure such as the Baikonur Cosmodrome.

Reforms

"Shock therapy"

Russia's GDP by purchasing power parity (PPP) in 1991-2019 (in international dollars)
 
Russian male life expectancy from 1980 to 2007

With the dissolution of the Warsaw Pact and CoMEcon and other treaties that served to bind its satellite states to the Soviet Union, the conversion of the world's largest state-controlled economy into a market-oriented economy would have been extraordinarily difficult regardless of the policies chosen. The policies chosen for this transition were (1) liberalization, (2) stabilization and (3) privatization. These policies were based on the Washington Consensus of the International Monetary Fund (IMF), World Bank and Treasury Department.

On January 2, 1992, Yeltsin—acting as his own prime minister—enacted the most comprehensive components of economic reform by decree, thereby circumventing the Supreme Soviet of Russia and Congress of People's Deputies of Russia, which had been elected in March 1990, before the dissolution of the USSR. While this spared Yeltsin from the prospects of bargaining and wrangling with Soviet deputies, it also eliminated any meaningful discussion of the right course of action for the country.

The programs of liberalization and stabilization were designed by Yeltsin's deputy prime minister Yegor Gaidar, a liberal economist inclined toward radical reform, and widely known as an advocate of "shock therapy". Shock therapy was originally used in Bolivia by notable economist Jeffery Sachs to combat inflation in the 1980s. Having achieved some major successes in Bolivia, shock therapy was then imported to the Polish context following the dissolution of the Soviet Union, and Russia shortly after.

A street flea market in Rostov-on-Don, 1992

The partial results of liberalization (lifting price controls) included worsening already apparent hyperinflation, initially due to monetary overhang and exacerbated after the central bank, an organ under parliament, which was skeptical of Yeltsin's reforms, was short of revenue and printed money to finance its debt. This resulted in the near bankruptcy of much of Russian industry.

The process of liberalization would create winners and losers, depending on how particular industries, classes, age groups, ethnic groups, regions, and other sectors of Russian society were positioned. Some would benefit by the opening of competition; others would suffer. Among the winners were the new class of entrepreneurs and black marketeers that had emerged under Mikhail Gorbachev's perestroika. But liberalizing prices meant that the elderly and others on fixed incomes would suffer a severe drop in living standards, and people would see a lifetime of savings wiped out.

With inflation at double-digit rates per month as a result of printing, macroeconomic stabilization was enacted to curb this trend. Stabilization, also called structural adjustment, is a harsh austerity regime (tight monetary policy and fiscal policy) for the economy in which the government seeks to control inflation. Under the stabilization program, the government let most prices float, raised interest rates to record highs, raised heavy new taxes, sharply cut back on government subsidies to industry and construction, and made massive cuts in state welfare spending. These policies caused widespread hardship as many state enterprises found themselves without orders or financing. A deep credit crunch shut down many industries and brought about a protracted depression.

The rationale of the program was to squeeze the built-in inflationary pressure out of the economy so that producers would begin making sensible decisions about production, pricing and investment instead of chronically overusing resources—a problem that resulted in shortages of consumer goods in the Soviet Union in the 1980s. By letting the market rather than central planners determine prices, product mixes, output levels, and the like, the reformers intended to create an incentive structure in the economy where efficiency and risk would be rewarded and waste and carelessness were punished. Removing the causes of chronic inflation, the reform architects argued, was a precondition for all other reforms: Hyperinflation would wreck both democracy and economic progress, they argued; they also argued that only by stabilizing the state budget could the government proceed to dismantle the Soviet planned economy and create a new capitalist Russia.

Nonetheless, radical reform continued to face some critical political barriers. The Central Bank was still subordinate to the conservative Supreme Soviet who continued to support socialist policies in opposition to Yeltsin and the presidency. During the height of hyperinflation in 1992–1993, the Central Bank actually tried to derail reforms by actively printing even more money during this period of inflation. After all, the Russian government was short of revenue and was forced to print money to finance its debt. As a result, inflation exploded into hyperinflation, and the Russian economy continued into an evermore serious slump.

Privatization

Upon the Soviet Union's collapse, the new Russian government was forced to manage the huge state enterprise sector inherited from the Soviet economy. Privatization was carried out by the State Committee for State Property Management of the Russian Federation under Anatoly Chubais with the primary goal being to transform the formerly state-owned enterprises into profit-seeking businesses, which would not be dependent on government subsidies for their survival. To distribute property quickly and to win over popular support, the reformers decided to rely mostly on the mechanism of free voucher privatization, which was earlier implemented in Czechoslovakia. The Russian government believed that the open sale of state-owned assets, as opposed to the voucher program, would have likely resulted in the further concentration of ownership among the Russian mafia and the nomenklatura, which they sought to avoid. Nevertheless, contrary to the government's expectations, insiders managed to acquire control over most of the assets, which remained largely dependent on government support for years to come. From 1992 to 1994, ownership of 15,000 firms was transferred from state control via the voucher program.

Privatization of the oil sector was regulated by presidential decree No.1403 approved on November 17, 1992. Vertically integrated companies were created by joining some oil-producing enterprises and refineries into open-stock companies. Starting in 1994 many former state oil companies were privatized. This privatization had been partial because the federal government had obtained ownership positions in several companies and had also retained full control over the transport of oil to lucrative world markets.

In 1995, facing severe fiscal deficit and in desperate need of funds for the 1996 presidential elections, the government of Boris Yeltsin adopted a "loans-for-share" scheme proposed by banker Vladimir Potanin and endorsed by Anatoly Chubais, then a deputy prime minister, whereby some of the largest state industrial assets (including state-owned shares in Norilsk Nickel, Yukos, Lukoil, Sibneft, Surgutneftegas, Novolipetsk Steel, and Mechel) were leased through auctions for money lent by commercial banks to the government. The auctions were rigged and lacked competition, being largely controlled by favored insiders with political connections or used for the benefit of the commercial banks themselves. As neither the loans nor the leased enterprises were returned in time, this effectively became a form of selling, or privatizing, state assets at very low prices.

The privatization facilitated the transfer of significant wealth to a relatively small group of business oligarchs and New Russians, particularly natural gas and oil executives.

Obstacles to reform

The former Soviet Union had to deal with a number of unique obstacles during the post-Soviet transition including political reform, economic restructuring and the redrawing of political boundaries. The discomfort associated with these changes was not felt the same in each former Soviet republic. As a general rule, states to Russia's west, such as Poland, Hungary, and the Czech Republic, have fared slightly better than their eastern neighbors since the collapse of the Eastern bloc, while Russia itself and countries to Russia's east experienced greater difficulties and found themselves on worse footing immediately after dissolution. A major reason that Russia's transition has been so wrenching is that it is remaking both its Soviet-era political and economic institutions at once. In addition to institutional reforms designed to create a new political-economic system, Russia was also charged with remaking itself into a new national state following the disintegration of the Soviet Union.

The first major problem facing Russia was the legacy of the Soviet Union's enormous commitment to the Cold War. In the late 1980s, the Soviet Union devoted a quarter of its gross economic output to the defense sector (at the time most Western analysts believed that this figure was 15 percent). At the time, the military-industrial complex employed at least one of every five adults in the Soviet Union. In some regions of Russia, at least half of the workforce was employed in defense plants (the comparable U.S. figures were roughly one-sixteenth of gross national product and about one of every sixteen in the workforce). These over-reliance on the military sector made Russian industry and human capital relatively noncompetitive upon entry into a market-oriented system. Furthermore, the end of the Cold War and the cutback in military spending affected industry quite dramatically making it difficult to quickly retool equipment, retrain workers, and find new markets. In the process of economic re-tooling, an enormous body of experience, qualified specialists and know-how was lost or misallocated, as the plants were sometimes switching from, for example, producing hi-tech military equipment to making kitchen utensils.

A second obstacle, partly related to the sheer vastness and geographical diversity of the Russian landmass, was the sizable number of "mono-industrial" regional economies (regions dominated by a single industrial employer) that Russia inherited from the Soviet Union. The concentration of production in a relatively small number of big state enterprises meant that many local governments were entirely dependent on the economic health of a single employer; when the Soviet Union collapsed and the economic ties between Soviet republics and even regions were severed, the production in the whole country dropped by more than fifty percent. Roughly half of Russia's cities had only one large industrial enterprise, and three fourths had no more than four. Consequently, the decrease in production caused tremendous unemployment and underemployment.

Thirdly, post-Soviet Russia did not inherit a system of state social security and welfare from the USSR. Instead the companies, mainly large industrial firms, were traditionally responsible for a broad range of social welfare functions—building and maintaining housing for their work forces, and managing health, recreational, educational, and similar facilities. The towns in contrast possessed neither the apparatus nor the funds for the provision of basic social services. Industrial employees were left heavily dependent on their firms. Thus, economic transformation created severe problems in maintaining social welfare since local governments were unable to assume finance or operational responsibility for these functions.

Finally, there is a human capital dimension to the failure of post-Soviet reforms in Russia. The former Soviet population was not necessarily uneducated. Literacy was nearly universal, and the educational level of the Soviet population was among the highest in the world with respect to science, engineering, and some technical disciplines, although the Soviets devoted little to what would be described as "liberal arts" in the West. With the move to a post-Communist system, the Russian university system collapsed. Rampant credential inflation in the Russian university system made it difficult for employers to determine who was really skilled and the problems of the higher education system more generally made it difficult to remedy other issues of human capital that came from the transition to a market-oriented system, such as upskilling and re-skilling. For example, former state enterprise managers were highly skilled at coping with the demands on them under the Soviet system of planned production targets, but discouraged the risk-and-reward centered behavior of market capitalism. These managers were responsible for a broad array of social welfare functions for their employees, their families, and the population of the towns and regions where they were located. Profitability and efficiency, however, were generally not the most prominent priorities for Soviet enterprise managers. Thus, almost no Soviet employees or managers had firsthand experience with decision-making in the conditions of a market economy.

Depression

An abandoned radiotelescope facility near Nizhny Novgorod (2006; by 2008 the telescopes had been removed)

After the initial turmoil and euphoria of early marketizations, Russia's economy sank into deep depression by the mid-1990s due to botched reform efforts and low commodity prices globally but not before George H. W. Bush helped Yeltsin with "an unparalleled opportunity to change the nuclear posture of both the United States and the Soviet Union" and to end the Cold War peacefully with the Nunn–Lugar cash-for-weapons scheme, in order to avoid the worst of the dissolution of the vast Soviet technological empire. Russia's economy was hit further by the financial crash of 1998 before experiencing a modest recovery in 1999–2000 as commodity prices began to rise again. According to Russian government statistics, the economic decline was far more severe than the Great Depression was in the United States in terms of gross domestic product.

In 1995, a little over 3% of the work force was officially registered as unemployed, but, in addition to the technically jobless, 4.4% of the labour force were working only part time, while a further 3.9% had been sent on involuntary leave. Also millions of Russians turned up for work each day, but were not paid by the employers. If all these categories of jobless, semi-employed and unpaid workers were taken into account, the 18% Russian unemployment figure cited in June, 1995 by labour market expert Tatyana Maleva of the Institute of Economic Analysis seemed real. With unemployment benefits sufficient only to buy a small loaf of bread each day, trying to survive without some other income was not an option for those who lost jobs. They were toiling during the warmer months to grow food in family vegetable plots, selling newspapers or lottery tickets on the streets, busking, begging, turning to prostitution. Often they sank into the criminal underworld.

In 1997, at least 98,400 companies were defaulting on payments to employees. It was estimated that one out of four Russian workers, or close on 20 million people, were not paid for months. Some were paid "in kind": for example, women workers were paid in brassieres and shoes that they resoled in the streets, workers of Moskvich, the auto plant in Moscow, were paid in spare parts, those of the Ivanovo textile plants were paid in bedsheets, and those of the Gus-Khrustalny porcelain factory were paid in crystal and ceramic vases.

By way of a domestic comparison, the post-Soviet economic decline was about half as severe as the economic catastrophe borne out of the immediate consequence of World War I, the fall of Tsarism, and the Russian Civil War.

Russians protest the economic depression caused by the reforms with the banner saying: "Jail the redhead!", 1998.

Following the economic collapse of the early 1990s, Russia suffered from a sharp increase in the rates of poverty and economic inequality. Estimates by the World Bank based on both macroeconomic data and surveys of household incomes and expenditures indicate that whereas 1.5% of the population was living in poverty (defined as income below the equivalent of $25 per month) in the late Soviet era, by mid-1993 between 39% and 49% of the population was living in poverty. Per capita incomes fell by another 15% by 1998, according to government figures.

Public health indicators show a dramatic corresponding decline. Although all post-Soviet countries experience an immediate decline in birth-rates due to economic turmoil this may have been particularly acute in Russia. In 1999, total population fell by about three-quarters of a million people. Meanwhile, life expectancy dropped for men from 64 years in 1990 to 57 years by 1994, while women's dropped from 74 to about 71. Both health factors and a sharp increase in deaths of the youth demographic from unnatural causes (such as murders, suicides, and accidents) have significantly contributed to this trend. Closely related to the declining life expectancy, alcohol-related deaths skyrocketed 60% in the 1990s and deaths from infectious and parasitic diseases shot up 100%, mainly because medicines were no longer affordable to the poor.

While the opening of the Russian market to imports in the early 1990s meant the nation no longer suffered from the supply shortages of consumer goods that was often characteristic of the USSR (see Consumer goods in the Soviet Union), the relative impoverishment of the Russian people during this time meant only a limited number saw any significant benefit. Russians on fixed incomes (the vast majority of the workforce) saw their purchasing power drastically reduced, so while the stores might have been well stocked in the Yeltsin era, average people could now afford to buy little, if anything from these stores. By 2011, the average income has risen to more than $700 per month, emblematic of the mild recovery in recent years largely due to high oil prices. The growing revenue, however, has not been evenly distributed. Social inequality has risen sharply since the 1990s with the Gini coefficient, for example, reaching 42% by the end of 2010. Russia's income disparities are now nearly as large as Brazil (which has long been a world leader in the area) while regional disparities in the level of poverty continue to trend upwards.

Backlash

Structural reform and a severe devaluation of the ruble lowered the standard of living for most segments of the Russian population. As a result, there was powerful political opposition to reform. Democratization opened the political channels for venting these frustrations, which translated into votes for anti-reform candidates, especially those of the Communist Party of the Russian Federation and its allies in the Duma. Russian voters, able to vote for opposition parties in the 1990s, often rejected economic reforms and yearned for the stability and personal security of the Soviet era. These were the groups that had enjoyed the benefits of Soviet-era state-controlled wages and prices, high state spending to subsidize priority sectors of the economy, protection from competition with foreign industries, and welfare entitlement programs. During the Yeltsin years in the 1990s, these anti-reformist groups were well organized, voicing their opposition to reform through strong trade unions, associations of directors of state-owned firms, and political parties in the popularly elected parliament whose primary constituencies were among those vulnerable to reform. A constant theme of Russian history in the 1990s was the conflict between economic reformers and those hostile to the new capitalism.

In the 1990s, former Soviet bureaucrats, factory directors, aggressive businessmen and criminal organizations used insider deals, bribery and simple brute force in order to grab lucrative assets, which were previously state-owned. Russia's new "capitalists" spent millions of dollars for protection. However, almost every business in Russia, from curbside vendors to huge oil and gas companies, made payments to the organized crime for protection ("krysha"). Businessmen said that they needed the "krysha" because the laws and the court system were not functioning properly in Russia. The only way for them to enforce a contract was to turn to a criminal "krysha". They also used it to intimidate competitors, collect debts or take over new markets. It was also increasingly common for businesses to turn to the "red krysha"-corrupt police who ran protection rackets. Within this system, a sharp rise in contract killings developed.

Crisis

Constitutional crisis

The struggle for the center of power in Soviet Russia following the collapse of the Soviet Union and for the nature of the economic reforms culminated in a political crisis and bloodshed in the autumn of 1993. Yeltsin, who represented a course of radical privatization, was opposed by the Supreme Soviet. Confronted with opposition to the presidential power of decree and threatened with impeachment, he "dissolved" the parliament on September 21, in contravention of the existing constitution, and ordered new elections and a referendum on a new constitution. The parliament then declared Yeltsin deposed and appointed Aleksandr Rutskoy acting president on September 22. Tensions built quickly, and matters came to a head after street riots on October 2–October 3. On October 4, Yeltsin ordered Special Forces and elite army units to storm the parliament building, the "White House" as it is called. With tanks thrown against the small-arms fire of the parliamentary defenders, the outcome was not in doubt. Rutskoy, Ruslan Khasbulatov, and the other parliamentary supporters surrendered and were immediately arrested and jailed. The official count was 147 dead, 437 wounded (with several men killed and wounded on the presidential side).

Burned facade of the White House after the storming

Thus the transitional period in post-Soviet Russian politics came to an end. A new constitution was approved by referendum in December 1993. Russia was given a strongly presidential system. Radical privatization went ahead. Although the old parliamentary leaders were released without trial on February 26, 1994, they would not play an open role in politics thereafter. Though its clashes with the executive would eventually resume, the remodeled Russian parliament had greatly circumscribed powers. (For details on the constitution passed in 1993 see Constitution and government structure of Russia.)

First Chechen War

A Russian Mil Mi-8 helicopter brought down by Chechen insurgents near Grozny in 1994

In 1994, Yeltsin dispatched 40,000 troops to the southern region of Chechnya to prevent its secession from Russia. Living 1,000 miles (1,600 km) south of Moscow, the predominantly Muslim Chechens for centuries had gloried in defying Russia. Dzhokhar Dudayev, Chechnya's nationalist president, was driven to take his republic out of the Russian Federation, declaring independence in 1991. Gripped by the chaos of the Soviet Union's ongoing dissolution, Chechnya initially operated as a de facto independent nation-though this status was never recognized by Russia. In 1994, the Russian Armed Forces invaded and quickly became submerged in a military quagmire. In January 1995, the Russian army and air force commenced a siege of the Chechen capital of Grozny; about 25,000 Chechen civilians died under week-long air raids and artillery fire in the sealed-off city. Massive use of artillery and air-strikes remained the dominating strategy throughout the Russian campaign. Even so, Chechen forces seized thousands of Russian hostages, while inflicting humiliating losses on the demoralized and ill-equipped Russian troops.

The Russians finally managed to gain control of Grozny by February 1995 after heavy fighting. In August 1996, Yeltsin agreed to a ceasefire with Chechen leaders, and a peace treaty was formally signed in May 1997. However, the conflict resumed in 1999, this time the rebellion was crushed by Vladimir Putin.

Rise of the oligarchs

The new capitalist opportunities presented by the opening of the Russian economy in the late 1980s and early 1990s affected many people's interests. As the Soviet system was being dismantled, well-placed bosses and technocrats in the Communist Party, KGB, and Komsomol (Soviet Youth League) were cashing in on their Soviet-era power and privileges. Some quietly liquidated the assets of their organization and secreted the proceeds in overseas accounts and investments. Others created banks and business in Russia, taking advantage of their insider positions to win exclusive government contracts and licenses and to acquire financial credits and supplies at artificially low, state-subsidized prices in order to transact business at high, market-value prices. Great fortunes were made almost overnight.

Between 1987 and 1992, trading of natural resources and foreign currencies, as well as imports of highly demanded consumer goods and then domestic production of their rudimentary substitutes, rapidly enabled these pioneering entrepreneurs to accumulate considerable wealth. In turn, the emerging cash-based, highly opaque markets provided a breeding ground for a large number of racket gangs.

By the mid-1990s, the best-connected former nomenklatura leaders accumulated considerable financial resources, while on the other hand, the most successful entrepreneurs became acquainted with government officials and public politicians. The privatization of state enterprises was a unique opportunity because it gave many of those who had gained wealth in the early 1990s a chance to convert it into shares of privatized enterprises.

The Yeltsin government hoped to use privatization to spread ownership of shares in former state enterprises as widely as possible to create political support for his government and his reforms. The government used a system of free vouchers as a way to give mass privatization a jump-start. But it also allowed people to purchase shares of stock in privatized enterprises with cash. Even though initially each citizen received a voucher of equal face value, within months most of the vouchers converged in the hands of intermediaries who were ready to buy them for cash right away.

As the government ended the voucher privatization phase and launched cash privatization, it devised a program that it thought would simultaneously speed up privatization and yield the government a much-needed infusion of cash for its operating needs. Under the scheme, which quickly became known in the West as "loans for shares," the Yeltsin regime auctioned off substantial packages of stock shares in some of its most desirable enterprises, such as energy, telecommunications, and metallurgical firms, as collateral for bank loans.

In exchange for the loans, the state handed over assets worth many times as much. Under the terms of the deals, if the Yeltsin government did not repay the loans by September 1996, the lender acquired title to the stock and could then resell it or take an equity position in the enterprise. The first auctions were held in the fall of 1995. The auctions themselves were usually held in such a way so to limit the number of banks bidding for shares and thus to keep the auction prices extremely low. By summer 1996, major packages of shares in some of Russia's largest firms had been transferred to a small number of major banks, thus allowing a handful of powerful banks to acquire substantial ownership shares over major firms at shockingly low prices. These deals were effectively giveaways of valuable state assets to a few powerful, well-connected, and wealthy financial groups.

The concentration of immense financial and industrial power, which loans for shares had assisted, extended to the mass media. One of the most prominent of the financial barons Boris Berezovsky, who controlled major stakes in several banks and companies, exerted an extensive influence over state television programming for a while. Berezovsky and other ultra-wealthy, well-connected tycoons who controlled these great empires of finance, industry, energy, telecommunications, and media became known as the "Russian oligarchs". Along with Berezovsky, Mikhail Khodorkovsky, Roman Abramovich, Vladimir Potanin, Vladimir Bogdanov, Rem Viakhirev, Vagit Alekperov, Viktor Chernomyrdin, Viktor Vekselberg, and Mikhail Fridman emerged as Russia's most powerful and prominent oligarchs.

A tiny clique who used their connections built up during the last days of the Soviet years to appropriate Russia's vast resources during the rampant privatizations of the Yeltsin years, the oligarchs emerged as the most hated men in the nation. The Western world generally advocated a quick dismantling of the Soviet planned economy to make way for "free-market reforms," but later expressed disappointment over the newfound power and corruption of the "oligarchs."

Presidential election of 1996

Campaigns

Early in the campaign it had been thought that Yeltsin, who was in uncertain health (after recuperating from a series of heart attacks) and whose behavior was sometimes erratic, had little chance for reelection. When campaigning opened at the beginning of 1996, Yeltsin's popularity was close to zero. Meanwhile, the opposition Communist Party of the Russian Federation had already gained ground in parliamentary voting on December 17, 1995, and its candidate, Gennady Zyuganov, had a strong grassroots organization, especially in the rural areas and small towns, and appealed effectively to memories of the old days of Soviet prestige on the international stage and the socialist domestic order.

Panic struck the Yeltsin team when opinion polls suggested that the ailing president could not win; members of his entourage urged him to cancel presidential elections and effectively rule as dictator from then on. Instead, Yeltsin changed his campaign team, assigning a key role to his daughter, Tatyana Dyachenko, and appointing Anatoly Chubais campaign manager. Chubais, who was not just Yeltsin's campaign manager but also the architect of Russia's privatization program, set out to use his control of the privatization program as the key instrument of Yeltsin's reelection campaign.

The president's inner circle assumed that it had only a short time in which to act on privatization; it, therefore, needed to take steps that would have a large and immediate impact, making the reversal of reform prohibitively costly for their opponents. Chubais' solution was to co-opt potentially powerful interests, including enterprise directors and regional officials, in order to ensure Yeltsin's reelection.

The position of the enterprise directors to the program was essential to maintaining economic and social stability in the country. The managers represented one of the most powerful collective interests in the country; it was the enterprise managers who could ensure that labor did not erupt in a massive wave of strikes. The government, therefore, did not strenuously resist the tendency for voucher privatization to turn into "insider privatization," as it was termed, in which senior enterprise officials acquired the largest proportion of shares in privatized firms. Thus, Chubais allowed well-connected employees to acquire majority stakes in the enterprises. This proved to be the most widely used form of privatization in Russia. Three-quarters of privatized enterprises opted for this method, most often using vouchers. Real control thus wound up in the hands of the managers.

Support from the oligarchs was also crucial to Yeltsin's reelection campaign. The "loans for shares" giveaway took place in the run-up to the 1996 presidential election—at a point when it had appeared that Zyuganov might defeat Yeltsin. Yeltsin and his entourage gave the oligarchs an opportunity to scoop up some of Russia's most desirable assets in return for their help in his reelection effort. The oligarchs, in turn, reciprocated the favor.

In the spring of 1996, with Yeltsin's popularity at a low ebb, Chubais and Yeltsin recruited a team of six leading Russian financiers and media barons (all oligarchs) who bankrolled the Yeltsin campaign with $3 million and guaranteed coverage on television and in leading newspapers directly serving the president's campaign strategy. The media painted a picture of a fateful choice for Russia, between Yeltsin and a "return to totalitarianism." The oligarchs even played up the threat of civil war if a Communist were elected president.

In the outlying regions of the country, the Yeltsin campaign relied on its ties to other allies—the patron-client ties of the local governors, most of whom had been appointed by the president.

The Zyuganov campaign had a strong grass-roots organization, but it was simply no match for the financial resources and access to patronage that the Yeltsin campaign could marshal.

Yeltsin campaigned energetically, dispelling concerns about his health, exploiting all the advantages of incumbency to maintain a high media profile. To assuage voters' discontent, he made the claim that he would abandon some unpopular economic reforms and boost welfare spending, end the war in Chechnya, pay wage and pension arrears, and abolish military conscription (he did not live up to his promises after the election, except for ending the Chechen war, which was halted for 3 years). Yeltsin's campaign also got a boost from the announcement of a $10 billion loan to the Russian government from the International Monetary Fund.

Grigory Yavlinsky was the liberal alternative to Yeltsin and Zyuganov. He appealed to a well-educated middle class that saw Yeltsin as an incompetent alcoholic and Zyuganov as a Soviet-era throwback. Seeing Yavlinsky as a threat, Yeltsin's inner circle of supporters worked to bifurcate political discourse, thus excluding a middle ground—and convince voters that only Yeltsin could defeat the Communist "menace." The election became a two-man race, and Zyuganov, who lacked Yeltsin's resources and financial backing, watched helplessly as his strong initial lead was whittled away.

Elections

Voter turnout in the first round of the polling on June 16 was 69.8%. According to returns announced on June 17, Yeltsin won 35% of the vote; Zyuganov won 32%; Aleksandr Lebed, a populist ex-general, a surprisingly high 14.5%; liberal candidate Grigory Yavlinsky 7.4%; far-right nationalist Vladimir Zhirinovsky 5.8%; and former Soviet president Mikhail Gorbachev 0.5%. With no candidate securing an absolute majority, Yeltsin and Zyuganov went into a second round of voting. In the meantime, Yeltsin co-opted a large segment of the electorate by appointing Lebed to the posts of national security adviser and secretary of the Security Council.

In the end, Yeltsin's election tactics paid off. In the run-off on July 3, with a turnout of 68.9%, Yeltsin won 53.8% of the vote and Zyuganov 40.3%, with the rest (5.9%) voting "against all". Moscow and Saint Petersburg (formerly Leningrad) together provided over half of the incumbent president's support, but he also did well in large cities in the Urals and in the north and northeast. Yeltsin lost to Zyuganov in Russia's southern industrial heartland. The southern stretch of the country became known as the "red belt", underscoring the resilience of the Communist Party in elections since the breakup of the Soviet Union.

Although Yeltsin promised that he would abandon his unpopular neoliberal austerity policies and increase public spending to help those suffering from the pain of capitalist reforms, within a month of his election, Yeltsin issued a decree canceling almost all of these promises.

Right after the election, Yeltsin's physical health and mental stability were increasingly precarious. Many of his executive functions thus devolved upon a group of advisers (most of whom had close links with the oligarchs).

Financial collapse

The global recession of 1998, which started with the Asian financial crisis in July 1997, exacerbated Russia's continuing economic crisis. Given the ensuing decline in world commodity prices, countries heavily dependent on the export of raw materials such as oil were among those most severely hit. Oil, natural gas, metals, and timber account for more than 80% of Russian exports, leaving the country vulnerable to swings in world prices. Oil is also a major source of government tax revenue which brought significant negative implications for Russia's fiscal situation, foreign exchange stores and ultimately, the value of the ruble.

The pressures on the ruble, reflecting the weakness of the economy, resulted in a disastrous fall in the value of the currency. Massive tax evasion continued and accelerated due to financial instability and decreasing government capacity. This further decreased government revenues and soon, the central government found itself unable to service the massive loans it had accumulated and ultimately was even unable to pay its employees. The government stopped making timely payment of wages, pensions, and debts to suppliers; and when workers were paid, it was often with bartered goods rather than rubles. Coal miners were especially hard hit, and for several weeks in the summer they blocked sections of the Trans-Siberian railroad with protests, effectively cutting the country in two. As time wore on, they added calls for the resignation of Yeltsin in addition to their demands for wages.

A political crisis came to a head in March when Yeltsin suddenly dismissed Prime Minister Viktor Chernomyrdin and his entire cabinet on March 23. Yeltsin named a virtually unknown technocrat, Energy Minister Sergei Kiriyenko, aged 35, as acting prime minister. Russian observers expressed doubts about Kiriyenko's youth and inexperience. The Duma rejected his nomination twice. Only after a month-long standoff, during which Yeltsin threatened to dissolve the legislature, did the Duma confirm Kiriyenko on a third vote on April 24.

Kiriyenko appointed a new cabinet strongly committed to stemming the fall in the value of Russia's currency. The oligarchs strongly supported Kiriyenko's efforts to maintain the exchange rate. A high exchange rate meant that they needed fewer rubles to buy imported goods, especially luxury items.

In an effort to prop up the currency and stem the flight of capital, Kiriyenko hiked interest rates to 150% in order to attract buyers for government bonds. But concerns about the financial crisis in Asia and the slump in world oil prices were already prompting investors to withdraw from Russia. By mid-1998, it was clear Russia would need help from IMF to maintain its exchange rate.

The Russian crisis caused alarm in the West. Pouring more money into the Russian economy would not be a long-term solution, but the U.S. in particular feared that Yeltsin's government would not survive a looming financial crisis without IMF help. U.S. President Bill Clinton's treasury secretary, Robert Rubin, also feared that a Russian collapse could create a panic on world money markets (and it indeed did help bring down one major US hedge fund Long-Term Capital Management). The IMF approved a $22.6 billion emergency loan on July 13.

Despite the bailout, Russia's monthly interest payments still well exceeded its monthly tax revenues. Realizing that this situation was unsustainable, investors continued to flee Russia despite the IMF bailout. Weeks later the financial crisis resumed and the value of the ruble resumed its fall, and the government fell into a self-perpetuating trap. To pay off the interest on the loans it had taken, it needed to raise still more cash, which it did through foreign borrowing. As lenders became increasingly certain that the government could not make good on its obligations, they demanded ever-higher interest rates, deepening the trap. Ultimately the bubble burst.

On August 17, Kiriyenko's government and the central bank were forced to suspend payment on Russia's foreign debt for 90 days, restructure the nation's entire debt, and devalue the ruble. The ruble went into free fall as Russians sought frantically to buy dollars. Western creditors lost heavily, and a large part of Russia's fledgling banking sector was destroyed, since many banks had substantial dollar borrowings. Foreign investment rushed out of the country, and financial crisis triggered an unprecedented flight of capital from Russia.

Political fallout

The financial collapse produced a political crisis, as Yeltsin, with his domestic support evaporating, had to contend with an emboldened opposition in the parliament. A week later, on August 23, Yeltsin fired Kiryenko and declared his intention of returning Chernomyrdin to office as the country slipped deeper into economic turmoil. Powerful business interests, fearing another round of reforms that might cause leading concerns to fail, welcomed Kiriyenko's fall, as did the Communists.

Yeltsin, who began to lose his hold as his health deteriorated, wanted Chernomyrdin back, but the legislature refused to give its approval. After the Duma rejected Chernomyrdin's candidacy twice, Yeltsin, his power clearly on the wane, backed down. Instead, he nominated Foreign Minister Yevgeny Primakov, who on September 11 was overwhelmingly approved by the Duma.

Primakov's appointment restored political stability because he was seen as a compromise candidate able to heal the rifts between Russia's quarreling interest groups. There was popular enthusiasm for Primakov as well. Primakov promised to make the payment of wage and pension arrears his government's first priority, and invited members of the leading parliamentary factions into his Cabinet.

Communists and trade unionists staged a nationwide strike on October 7, and called on President Yeltsin to resign. On October 9, Russia, which was also suffering from a bad harvest, appealed for international humanitarian aid, including food.

Recovery

Russia bounced back from the August 1998 financial crash with surprising speed. Much of the reason for the recovery is that world oil prices rapidly rose during 1999–2000 (just as falling energy prices on the world market had deepened Russia's financial troubles) so that Russia ran a large trade surplus in 1999 and 2000. Another reason is that domestic industries such as food processing have benefited from the devaluation, which caused a steep increase in the prices of imported goods. Also, since Russia's economy was operating to such a large extent on barter and other non-monetary instruments of exchange, the financial collapse had far less of an impact on many producers than it would had the economy been dependent on a banking system. Finally, the economy has been helped by an infusion of cash; as enterprises were able to pay off arrears in back wages and taxes, it, in turn, allowed consumer demand for the goods and services of Russian industry to rise. For the first time in many years, unemployment in 2000 fell as enterprises added workers.

Nevertheless, the political and social equilibrium of the country remains tenuous to this day, and power remains a highly personalized commodity. The economy remains vulnerable to downturn if, for instance, world oil prices fall at a dramatic pace.

Succession crisis

Yevgeny Primakov did not remain in his post long. Yeltsin grew suspicious that Primakov was gaining in strength and popularity and dismissed him in May 1999, after only eight months in office. Yeltsin then named Sergei Stepashin, who had formerly been head of the FSB (the successor agency to the KGB) and later been Interior Minister, to replace him. The Duma confirmed his appointment on the first ballot by a wide margin.

Stepashin's tenure was even shorter than Primakov's. In August 1999, Yeltsin once again abruptly dismissed the government and named Vladimir Putin as his candidate to head the new government. Like Stepashin, Putin had a background in the secret police, having made his career in the foreign intelligence service and later as head of the FSB. Yeltsin went so far as to declare that he saw Putin as his successor as president. The Duma narrowly voted to confirm Putin.

When appointed, Putin was a relatively unknown politician, but he quickly established himself both in public opinion and in Yeltsin's estimation as a trusted head of government, largely due to the Second Chechen War. Just days after Yeltsin named Putin as a candidate for prime minister, Chechen forces engaged the Russian army in Dagestan, a Russian autonomy near Chechnya. In the next month, several hundred people died in apartment building bombings in Moscow and other cities, bombings Russian authorities attributed to Chechen rebels. In response, the Russian army entered Chechnya in late September 1999, starting the Second Chechen War. The Russian public at the time, angry over the terrorist bombings, widely supported the war. The support translated into growing popularity for Putin, who had taken decisive action in Chechnya.

After the success of political forces close to Putin in the December 1999 parliamentary elections, Yeltsin evidently felt confident enough in Putin that he resigned from the presidency on December 31, six months before his term was due to expire. This made Putin acting president and gave Putin ample opportunity to position himself as the frontrunner for the Russian presidential election held on March 26, 2000, which he won. The Chechen War figured prominently in the campaign. In February 2000, Russian troops entered Grozny, the Chechen capital, and a week before the election, Putin flew to Chechnya on a fighter jet, claiming victory.

Putin era

Vladimir Putin (circa 2007)

In August 2000, the Russian submarine K-141 Kursk suffered an explosion, causing the submarine to sink in the shallow area of the Barents Sea. Russia organized a vigorous but hectic attempt to save the crew, and the entire futile effort was surrounded by unexplained secrecy. This, as well as the slow initial reaction to the event and especially to the offers of foreign aid in saving the crew, brought much criticism on the government and personally on President Putin.

On October 23, 2002, Chechen separatists took over a Moscow theater. Over 700 people inside were taken hostage in what has been called the Moscow theater hostage crisis. The separatists demanded the immediate withdrawal of Russian forces from Chechnya and threatened to blow up the building if authorities attempted to enter. Three days later, Russian commandos stormed the building after the hostages had been subdued with a sleeping gas, shooting the unconscious militants, and killing over 100 civilian hostages with the sleeping gas in the process. In the aftermath of the theater siege, Putin began renewed efforts to eliminate the Chechen insurrection. (For additional details on the war in Chechnya under Putin, see Second Chechen War.) The government canceled scheduled troop withdrawals, surrounded Chechen refugee camps with soldiers, and increased the frequency of assaults on separatist positions.

Chechen militants responded in kind, stepping up guerrilla operations and rocket attacks on federal helicopters. Several high-profile attacks have taken place. In May 2004, Chechen separatists assassinated Akhmad Kadyrov, the pro-Russia Chechen leader who became the president of Chechnya 8 months earlier after an election conducted by Russian authorities. On August 24, 2004, two Russian aircraft were bombed. This was followed by the Beslan school hostage crisis in which Chechen separatists took 1,300 hostages. The initially high public support for the war in Chechnya has declined.

Putin has confronted several very influential oligarchs (Vladimir Gusinsky, Boris Berezovsky and Mikhail Khodorkovsky, in particular) who attained large stakes of state assets, allegedly through illegal schemes, during the privatization process. Gusinsky and Berezovsky have been forced to leave Russia and give up parts of their assets. Khodorkovsky was jailed in Russia and has lost his YUKOS company, formerly the largest oil producer in Russia. Putin's stand against oligarchs is generally popular with the Russian people, even though the jailing of Khodorkovsky was mainly seen as part of a takeover operation by government officials, according to another Levada-Center poll.

These confrontations have also led to Putin establishing control over Russian media outlets previously owned by the oligarchs. In 2001 and 2002, TV channels NTV (previously owned by Gusinsky), TV6 and TVS (owned by Berezovsky) were all taken over by media groups loyal to Putin. Similar takeovers have also occurred with print media.

Putin's popularity, which stems from his reputation as a strong leader, stands in contrast to the unpopularity of his predecessor, but it hinges on a continuation of economic recovery. Putin came into office at an ideal time: after the devaluation of the ruble in 1998, which boosted demand for domestic goods, and while world oil prices were rising. Indeed, during the seven years of his presidency, real GDP grew on average 6.7% a year, average income increased 11% annually in real terms, and a consistently positive balance of the federal budget enabled the government to cut 70% of the external debt (according to the Institute for Complex Strategic Studies). Thus, many credited him with the recovery, but his ability to withstand a sudden economic downturn has been untested. Putin won the Russian presidential election in March 2004 without any significant competition.

Some researchers assert that most Russians (as of 2007) have come to regret the collapse of the Soviet Union in 1991. On repeated occasions, even Vladimir Putin—Boris Yeltsin's handpicked successor — stated that the fall of Soviet rule had led to few gains and many problems for most Russian citizens. In a campaign speech in February 2004, for example, Putin called the dismantlement of the Soviet Union a "national tragedy on an enormous scale," from which "only the elites and nationalists of the republics gained." He added, "I think that ordinary citizens of the former Soviet Union and the post-Soviet space gained nothing from this. On the contrary, people have faced a huge number of problems."

Putin's international prestige suffered a major blow in the West during the disputed 2004 Ukrainian presidential election. Putin had twice visited Ukraine before the election to show his support for the pro-Russian Viktor Yanukovych against opposition leader Viktor Yushchenko, a pro-Western liberal economist. He congratulated Yanukovych, followed shortly afterwards by Belarusian president Alexander Lukashenko, on his victory before election results were even made official and made statements opposing the rerun of the disputed second round of elections, won by Yanukovych, amid allegations of large-scale voting fraud. The second round was ultimately rerun; Yushchenko won the round and was eventually declared the winner on January 10, 2005. In the West, the reaction to Russia's handling of, or perhaps interference in, the Ukrainian election evoked echoes of the Cold War, but relations with the U.S. have remained stable.

Vladimir Putin with Junichiro Koizumi, Jacques Chirac, Gerhard Schröder, Silvio Berlusconi, George W. Bush and other state leaders in Moscow, 9 May 2005

On 14 March 2004, Putin was elected to the presidency for a second term, receiving 71% of the vote. The Beslan school hostage crisis took place in September 2004, in which hundreds died. Many in the Russian press and in the international media warned that the death of 130 hostages in the special forces' rescue operation during the 2002 Moscow theater hostage crisis would severely damage President Putin's popularity. However, shortly after the siege had ended, the Russian president enjoyed record public approval ratings – 83% of Russians declared themselves satisfied with Putin and his handling of the siege.

In 2005, the Russian government replaced the broad in-kind Soviet-era benefits, such as free transportation and subsidies for heating and other utilities for socially vulnerable groups by cash payments. The reform, known as monetization, has been unpopular and caused a wave of demonstrations in various Russian cities, with thousands of retirees protesting against the loss of their benefits. This was the first time such wave of protests took place during the Putin administration. The reform hurt the popularity of the Russian government, but Putin personally remained popular, with a 77% approval rating.

The near 10-year period prior to the rise of Putin after the dissolution of Soviet rule was a time of upheaval in Russia. In a 2005 Kremlin speech, Putin characterized the collapse of the Soviet Union as the "greatest geopolitical catastrophe of the Twentieth Century." Putin elaborated: "Moreover, the epidemic of disintegration infected Russia itself." The country's cradle-to-grave social safety net was gone and life expectancy declined in the period preceding Putin's rule. In 2005, the National Priority Projects were launched to improve Russia's health care, education, housing and agriculture.

Putin with Chancellor of Germany Angela Merkel in March 2008

The continued criminal prosecution of Russia's then richest man, President of Yukos oil and gas company Mikhail Khodorkovsky, for fraud and tax evasion was seen by the international press as a retaliation for Khodorkovsky's donations to both liberal and communist opponents of the Kremlin. The government said that Khodorkovsky was "corrupting" a large segment of the Duma to prevent changes to the tax code. Khodorkovsky was arrested, Yukos was bankrupted and the company's assets were auctioned at below-market value, with the largest share acquired by the state company Rosneft. The fate of Yukos was seen as a sign of a broader shift of Russia towards a system of state capitalism. This was underscored in July 2014 when shareholders of Yukos were awarded $50  billion in compensation by the Permanent Arbitration Court in The Hague.

On 7 October 2006, Anna Politkovskaya, a journalist who exposed corruption in the Russian army and its conduct in Chechnya, was shot in the lobby of her apartment building, on Putin's birthday. The death of Politkovskaya triggered international criticism, with accusations that Putin has failed to protect the country's new independent media. Putin himself said that her death caused the government more problems than her writings.

In 2007, "Dissenters' Marches" were organized by the opposition group The Other Russia, led by former chess champion Garry Kasparov and national-Bolshevist leader Eduard Limonov. Following prior warnings, demonstrations in several Russian cities were met by police action, which included interfering with the travel of the protesters and the arrests of as many as 150 people who attempted to break through police lines.

On 12 September 2007, Putin dissolved the government upon the request of Prime Minister Mikhail Fradkov. Fradkov commented that it was to give the President a "free hand" in the run-up to the parliamentary election. Viktor Zubkov was appointed the new prime minister.

In the December 2007 election, United Russia won 64.30% of the popular vote in their run for State Duma. This victory was seen by many as an indication of strong popular support of the then Russian leadership and its policies.

At the end of Putin's second term, Jonathan Steele has commented on Putin's legacy: "What, then, is Putin's legacy? Stability and growth, for starters. After the chaos of the 90s, highlighted by Yeltsin's attack on the Russian parliament with tanks in 1993 and the collapse of almost every bank in 1998, Putin has delivered political calm and a 7% annual rate of growth. Inequalities have increased and many of the new rich are grotesquely crass and cruel, but not all the Kremlin's vast revenues from oil and gas have gone into private pockets or are being hoarded in the government's "stabilisation fund". Enough has gone into modernising schools and hospitals so that people notice a difference. Overall living standards are up. The second Chechen war, the major blight on Putin's record, is almost over".

Putin was barred from a third term by the Constitution of Russia. First Deputy Prime Minister Dmitry Medvedev was elected his successor. In a power-switching operation on 8 May 2008, only a day after handing the presidency to Medvedev, Putin was appointed Prime Minister of Russia, maintaining his political dominance.

Putin with Dmitry Medvedev, March 2008
 
A destroyed Georgian tank in Tskhinvali, August 2008

In 2008, Kosovo's declaration of independence saw a marked deterioration in Russia's relationship with the West. It also saw South Ossetia war against Georgia, that followed Georgia's attempt to take over the breakaway region of South Ossetia. Russian troops entered South Ossetia and forced Georgian troops back, establishing their control on this territory. In the fall of 2008, Russia unilaterally recognized the independence of South Ossetia and Abkhazia. Putin has said that overcoming the consequences of the world economic crisis was one of the two main achievements of his second Premiership. The other was the stabilizing the size of Russia's population between 2008 and 2011 following a long period of demographic collapse that began in the 1990s.

"Northern Valley" housing estate under construction in Saint Petersburg, 2010

At the United Russia Congress in Moscow on 24 September 2011, Medvedev officially proposed that Putin stand for the Presidency in March 2012, an offer Putin accepted. Given United Russia's near-total dominance of Russian politics, many observers believed that Putin was assured of a third term. The move was expected to see Medvedev stand on the United Russia ticket in the parliamentary elections in December, with a goal of becoming Prime Minister at the end of his presidential term.

After the parliamentary elections on 4 December 2011, tens of thousands of Russians engaged in protests against alleged electoral fraud, the largest protests in Putin's time. Protesters criticized Putin and United Russia and demanded annulment of the election results. Those protests sparked the fear of a colour revolution in society. Putin allegedly organized a number of paramilitary groups loyal to himself and to the United Russia party in the period between 2005 and 2012.

On 4 March 2012, Putin won the 2012 Russian presidential elections in the first round, with 63.6% of the vote, despite widespread accusations of vote-rigging. Opposition groups accused Putin and the United Russia party of fraud. While efforts to make the elections transparent were publicized, including the usage of webcams in polling stations, the vote was criticized by the Russian opposition and by international observers from the Organization for Security and Co-operation in Europe for procedural irregularities.

Anti-Putin protesters march in Moscow, 4 February 2012

Anti-Putin protests took place during and directly after the presidential campaign. The most notorious protest was the Pussy Riot performance on 21 February, and subsequent trial. An estimated 8,000–20,000 protesters gathered in Moscow on 6 May, when eighty people were injured in confrontations with police, and 450 were arrested, with another 120 arrests taking place the following day.

In 2012 and 2013, Putin and the United Russia party backed stricter legislation against the LGBT community, in Saint Petersburg, Archangelsk and Novosibirsk; a law called the Russian gay propaganda law, that is against "homosexual propaganda" (which prohibits such symbols as the rainbow flag as well as published works containing homosexual content) was adopted by the State Duma in June 2013. Responding to international concerns about Russia's legislation, Putin asked critics to note that the law was a "ban on the propaganda of pedophilia and homosexuality" and he stated that homosexual visitors to the 2014 Winter Olympics should "leave the children in peace" but denied there was any "professional, career or social discrimination" against homosexuals in Russia.

Russo-Ukrainian war

On 22 February 2014, the Yanukovych government of Ukraine collapsed as a result of the Revolution of Dignity, which the Russian government called a foreign backed proxy movement. On the same day, according to Russian president Vladimir Putin, he called an all-night meeting of his military leaders, at the end of which he ordered them to “begin the work to bring Crimea back into Russia.” By February 27, unmarked Russian troops in Ukraine were establishing a blockade of the borders and Ukrainian military bases in the Autonomous Republic of Crimea, and took armed control of its regional parliament.

A new Ukrainian government was formed and scheduled new elections for May 2014. On 1 March, from exile, Viktor Yanukovych requested that Russia use military forces "to establish legitimacy, peace, law and order, stability and defending the people of Ukraine". On the same day, Vladimir Putin requested and received authorization from the Russian Parliament to deploy Russian troops to Ukraine in response to the crisis and gained complete control over Crimean Peninsula within a day.

On 6 March 2014, the Crimean Parliament voted to "enter into the Russian Federation with the rights of a subject of the Russian Federation" and later held a referendum asking the people of these regions whether they wanted to join Russia as a federal subject, or if they wanted to restore the 1992 Crimean constitution and Crimea's status as a part of Ukraine. Though passed with an overwhelming majority, the results are contested by some and approved by others. Crimea and Sevastopol formally declared independence as the Republic of Crimea and requested that they be admitted as constituents of the Russian Federation. On 18 March 2014, Russia and Crimea signed a treaty of accession of the Republic of Crimea and Sevastopol in the Russian Federation, while the United Nations General Assembly voted in favor of a non-binding Resolution 68/262 to oppose Russia's annexation of the peninsula.

Graffiti on a wall in Moscow saying "No to war"

On 24 February 2022, Russia launched a full-scale invasion of Ukraine, although it was described as a "special military operation" by Putin. The invasion led to international condemnation followed by political, economic and cultural sanctions. The invasion also sparked protests around the world as well as within Russia.

On 21 September 2022, Vladimir Putin announced a partial mobilization. He also said that his country will use "all means" to "defend itself". Later that day, the minister of defence Sergei Shoigu stated that 300,000 reservists would be called on a compulsory basis. Following president Putin's announcement of partial mobilization, massive Russian emigration began, with estimates of hundreds of thousands of male citizens fleeing, many going to Kazakhstan, Serbia, Georgia and Finland.

In late September 2022, Russian-installed officials in Ukraine organized referendums on annexation of occupied territories of Ukraine, including the Donetsk People's Republic and the Luhansk People's Republic in Russian occupied Donetsk and Luhansk oblasts of Ukraine, as well as the Russian-appointed military administrations of Kherson Oblast and Zaporizhzhia Oblast. Denounced by Ukraine's government and its allies as sham, the official results showed overwhelming majorities in favor of annexation.On 30 September 2022, Russia's president Vladimir Putin announced the annexation of Donetsk, Kherson, Luhansk and Zaporizhzhia oblasts of Ukraine in an address to both houses of the Russian parliament. The United Nations, Ukraine, and many other countries condemned the annexation.

Relations with the West

U.S. President George W. Bush and Putin at the 33rd G8 summit, June 2007

In the early period after Russia became independent, Russian foreign policy repudiated Marxism–Leninism as a putative guide to action, emphasizing cooperation with the West in solving regional and global problems, and soliciting economic and humanitarian aid from the West in support of internal economic reforms.

However, although Russia's leaders now described the West as its natural ally, they grappled with defining new relations with the East European states, the new states formed upon the disintegration of Yugoslavia, and Eastern Europe. Russia opposed the expansion of NATO into the former Soviet bloc nations of the Czech Republic, Poland, and Hungary in 1997 and, particularly, the second NATO expansion into Bulgaria, Estonia, Latvia, Lithuania, Romania, Slovakia and Slovenia in 2004. In 1999, Russia opposed the NATO bombing of Yugoslavia for more than two months (see Kosovo War), but later joined NATO peace-keeping forces in the Balkans in June 1999.

Relations with the West have also been stained by Russia's relationship with Belarus. Belarusian President Alexander Lukashenko, an authoritarian leader, has shown much interest in aligning his country with Russia, and no interest in deepening ties with NATO or implementing Western-backed economic reforms. A union agreement between Russia and Belarus was formed on April 2, 1996. The agreement was tightened, becoming the Union of Russia and Belarus on April 3, 1997. Further strengthening of the union occurred on December 25, 1998, and in 1999.

Under Putin, Russia has sought to strengthen ties with the People's Republic of China by signing the Treaty of Good-Neighborliness and Friendly Cooperation as well building the Trans-Siberian oil pipeline geared toward growing Chinese energy needs. He also made a number of appearances in the media with President of the United States George W. Bush in which the two described each other as "friends".

Classical radicalism

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