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Saturday, August 19, 2023

Anarchist communism

From Wikipedia, the free encyclopedia

Anarchist communism is a political philosophy and anarchist school of thought that advocates communism. It calls for the abolition of private property but retention of personal property and collectively-owned items, goods, and services. It supports social ownership of property and the distribution of resources "From each according to his ability, to each according to his needs".

Anarchist communism was first formulated as such in the Italian section of the International Workingmen's Association. The theoretical work of Peter Kropotkin took importance later as it expanded and developed pro-organizationalist and insurrectionary anti-organizationalist sections. Examples of anarchist communist societies are the anarchist territories of the Makhnovshchina during the Russian Revolution, and those of the Spanish Revolution, most notably revolutionary Catalonia.

History

Forerunners

The modern current of communism was founded by the Neo-Babouvists of the journal L'Humanitaire, who drew from the "anti-political and anarchist ideas" of Sylvain Maréchal. The foundations of anarcho-communism were laid by Théodore Dézamy in his 1843 work Code de la Communauté, which was formulated as a critique of Étienne Cabet's utopian socialism. In his Code, Dézamy advocated the abolition of money, the division of labour and the state, and the introduction of common ownership of property and the distribution of resources "from each according to their ability, to each according to their needs". In anticipation of anarchist communism, Dézamy rejected the need for a transitional stage between capitalism and communism, instead calling for immediate communisation through the direct cessation of commerce.

Painting of the June Days uprising, which Joseph Déjacque considered to be a social revolution by the proletariat.

Following the French Revolution of 1848, Joseph Déjacque formulated a radical form of communism that opposed both the revolutionary republicanism of Auguste Blanqui and the mutualism of Pierre-Joseph Proudhon. Déjacque opposed the authoritarian conception of a "dictatorship of the proletariat", which he consided to be inherently reactionary and counter-revolutionary. Instead, he upheld the autonomy and self-organisation of the workers, which he saw expressed during the June Days uprising, against the representative politics of governmentalism. Opposed not just to government, but to all forms of oppression, Déjacque advocated for a social revolution to abolish the state, as well as religion, the nuclear family and private property. In their place, Déjacque upheld a form of anarchy based on the free distribution of resources.

Déjacque particularly focused his critique on private commerce, such as that espoused by Proudhon and the Ricardian socialists. He considered a worker's right to be to the satisfaction of their needs, rather than to keep the product of their own labour, as he felt the latter would inevitably lead to capital accumulation. He thus advocated for all property to be held under common ownership and for "unlimited freedom of production and consumption", subordinated only to the authority of the "statistics book". In order to guarantee the universal satisfaction of needs, Déjacque saw the need for the abolition of forced labour through workers' self-management, and the abolition of the division of labour through integrating the proletariat and the intelligentsia into a single class. In order to achieve this vision of a communist society, he proposed a transitionary period of in which direct democracy and direct exchange would be upheld, positions of state would undergo democratization, and the police and military would be abolished.

Déjacque's communist platform outlined in his Humanisphere preceded the program of the Paris Commune, and would anticipate the anarcho-communism later elaborated by Errico Malatesta, Peter Kropotkin and Luigi Galleani.

Formulation in the International Workingmen's Association

Mikhail Bakunin, leader of the anti-authoritarian faction within the International Workingmen's Association.

The International Workingmen's Association (IWA) was established in 1864, at a time when a formalised anarchist movement did not yet exist. Of the few individual anarchists that were influential at this time, it was Pierre-Joseph Proudhon's conception of federalism and his advocacy of abstentionism that inspired many of the French delegates that founded the IWA and lay the groundwork for the growth of anarchism. Among the French delegates were a more radical minority that opposed Proudhon's mutualism, which held the nuclear family as its base social unit. Led by the trade unionist Eugène Varlin, the radicals advocated for a "non-authoritarian communism", which upheld the commune as the base social unit and advocated for the universal access to education. It was the entry of Mikhail Bakunin into the IWA that first infused the federalists with a programme of revolutionary socialism and anti-statism, which agitated for workers' self-management and direct action against capitalism and the state.

By this time, the Marxists of the IWA had begun to denounce their anti-authoritarian opponents as "anarchists", a label previously adopted by Proudhon and Déjacque and later accepted by the anti-authoritarians themselves. Following the defeat of the Paris Commune in 1871, the IWA split over questions of socialist economics and the means of bringing about a classless society. Karl Marx, who favoured the conquest of state power by political parties, banned the anarchists from the IWA. The anarchist faction around the Jura Federation resolved to reconstitute as their own Anti-Authoritarian International, which was constructed as a more decentralised and federal organisation. Two of the IWA's largest branches, in Italy and Spain, repudiated Marxism and adopted the anti-authoritarian platform.

James Guillaume, whose work set the foundation for the development of communism from collectivism.

As a collectivist, Bakunin had himself opposed communism, which he considered to be an inherently authoritarian ideology. But with Bakunin's death in 1876, the anarchists began to shift away from his theory of collectivism and towards an anarchist communism. The term "anarchist communism" was first printed in François Dumartheray's February 1876 pamphlet, To manual workers, supporters of political action. Élisée Reclus was quick to express his support for anarchist communism, at a meeting of the Anti-Authoritarian International in Lausanne the following month. James Guillaume's August 1876 pamphlet, Ideas on Social Organisation, outlined a proposal by which the collective ownership of the means of production could be used in order to transition towards a communist society. Guillaume considered a necessary prerequisite for communism would be a general condition of abundance, which could set the foundation for the abandonment of exchange value and the free distribution of resources. This program for anarcho-communism was adopted by the Italian anarchists, who had already begun to question collectivism.

Carlo Cafiero, who led the break from collectivist anarchism with the first programme for anarchist communism.

Although Guillaume had himself remained neutral throughout the debate, in September 1877, the Italian anarcho-communists clashed with the Spanish collectivists at what would be the Anti-Authoritarian International's final congress in Verviers. Alongside the economic question, the two factions were also divided by the question of organisation. While the collectivists upheld trade unions as a means for achieving anarchy, the communists considered them to be inherently reformist and counter-revolutionary organisations that were prone to bureaucracy and corruption. Instead, the communists preferred small, loosely-organised affinity groups, which they believed closer conformed to anti-authoritarian principles.

In October 1880, a Congress of the defunct International's Jura Federation adopted Carlo Cafiero's programme of Anarchy and Communism, which outlined a clear break with Guillaume's collectivist programme. Cafiero rejected the use of an exchange value and the collective ownership of industry, which he believed would lead to capital accumulation and consquently social stratification. Instead Cafiero called for the abolition of all wage labour, which he saw as a relic of capitalism, and for the distribution of resources "from each according to their ability, to each according to their needs".

Organizationalism vs. insurrectionarism and expansion

As anarcho-communism emerged in the mid-19th century, it had an intense debate with Bakuninist collectivism and, within the anarchist movement, over participation in the workers' movement, as well as on other issues. So in "the theory of the revolution" of anarcho-communism as elaborated by Peter Kropotkin and others, "it is the risen people who are the real agent and not the working class organised in the enterprise (the cells of the capitalist mode of production) and seeking to assert itself as labour power, as a more 'rational' industrial body or social brain (manager) than the employers".

Luigi Galleani was an influential anarchist advocate of insurrectionary anarchism

Between 1880 and 1890, with the "perspective of an immanent revolution", who was "opposed to the official workers' movement, which was then in the process of formation (general Social Democratisation). They were opposed not only to political (statist) struggles but also to strikes which put forward wage or other claims, or which were organised by trade unions." However, "[w]hile they were not opposed to strikes as such, they were opposed to trade unions and the struggle for the eight-hour day. This anti-reformist tendency was accompanied by an anti-organisational tendency, and its partisans declared themselves in favor of agitation amongst the unemployed for the expropriation of foodstuffs and other articles, for the expropriatory strike and, in some cases, for 'individual recuperation' or acts of terrorism."

Even after Peter Kropotkin and others overcame their initial reservations and decided to enter labor unions, there remained "the anti-syndicalist anarchist-communists, who in France were grouped around Sébastien Faure's Le Libertaire. From 1905 onwards, the Russian counterparts of these anti-syndicalist anarchist-communists become partisans of economic terrorism and illegal 'expropriations'." Proponents and activists of these tactics, among others, included Johann Most, Luigi Galleani, Victor Serge, Giuseppe Ciancabilla, and Severino Di Giovanni.

By the 1880s, anarcho-communism was already present in the United States, as seen in the journal Freedom: A Revolutionary Anarchist-Communist Monthly by Lucy Parsons and Lizzy Holmes. Another anarcho-communist journal later appeared in the United States called The Firebrand. Most anarchist publications in the United States were in Yiddish, German, or Russian, but Free Society was published in English, permitting the dissemination of anarchist communist thought to English-speaking populations in the United States. Around that time, these American anarcho-communist sectors debated with the individualist anarchist group around Benjamin Tucker.

According to the anarchist historian Max Nettlau, the first use of the term "libertarian communism" was in November 1880, when a French anarchist congress employed it to identify its doctrines more clearly. The French anarchist journalist Sébastien Faure, later founder and editor of the four-volume Anarchist Encyclopedia, started the weekly paper Le Libertaire (The Libertarian) in 1895.

Methods of organizing: platformism vs. synthesism

Nestor Makhno, 1921

In Ukraine, the anarcho-communist guerrilla leader Nestor Makhno led an independent anarchist army during the Russian Civil War. A commander of the Revolutionary Insurgent Army of Ukraine, Makhno led a guerrilla campaign opposing both the Bolshevik "Reds" and monarchist "Whites". The Makhnovist movement made various tactical military pacts while fighting various reaction forces and organizing an anarchist society committed to resisting state authority, whether capitalist or Bolshevik.

The Platform attracted strong criticism from many sectors of the anarchist movement of the time, including some of the most influential anarchists such as Volin, Errico Malatesta, Luigi Fabbri, Camillo Berneri, Max Nettlau, Alexander Berkman, Emma Goldman, and Grigorii Maksimov. Malatesta, after initially opposing the Platform, later agreed with the Platform, confirming that the original difference of opinion was due to linguistic confusion: "I find myself more or less in agreement with their way of conceiving the anarchist organisation (being very far from the authoritarian spirit which the "Platform" seemed to reveal) and I confirm my belief that behind the linguistic differences really lie identical positions."

Sébastien Faure, French anarcho-communist proponent of synthesis anarchism

Two texts made by the anarchist communists Sébastien Faure and Volin as responses to the Platform, each proposing different models, are the basis for what became known as the organization of synthesis, or simply synthesism. Volin published in 1924 a paper calling for "the anarchist synthesis" and was also the author of the article in Sébastien Faure's Encyclopedie Anarchiste on the same topic. The primary purpose behind the synthesis was that the anarchist movement in most countries was divided into three main tendencies: communist anarchism, anarcho-syndicalism, and individualist anarchism, and so such an organization could contain anarchists of these three tendencies very well. Faure, in his text "Anarchist synthesis", has the view that "these currents were not contradictory but complementary, each having a role within anarchism: anarcho-syndicalism as the strength of the mass organizations and the best way for the practice of anarchism; libertarian communism as a proposed future society based on the distribution of the fruits of labor according to the needs of each one; anarcho-individualism as a negation of oppression and affirming the individual right to development of the individual, seeking to please them in every way. The Dielo Truda platform in Spain also met with strong criticism. Miguel Jimenez, a founding member of the Iberian Anarchist Federation (FAI), summarized this as follows: too much influence in it of Marxism, it erroneously divided and reduced anarchists between individualist anarchists and anarcho-communist sections, and it wanted to unify the anarchist movement along the lines of the anarcho-communists. He saw anarchism as more complex than that, that anarchist tendencies are not mutually exclusive as the platformists saw it and that both individualist and communist views could accommodate anarchosyndicalism. Sébastian Faure had strong contacts in Spain, so his proposal had more impact on Spanish anarchists than the Dielo Truda platform, even though individualist anarchist influence in Spain was less intense than it was in France. The main goal there was reconciling anarcho-communism with anarcho-syndicalism.

Spanish Revolution of 1936

CNT-FAI Anarchists during the Spanish Revolution of 1936

The most extensive application of anarcho-communist ideas happened in the anarchist territories during the Spanish Revolution.

The flag initially designed and used by the anarcho-syndicalist CNT–FAI confederation of labor unions during the Spanish Civil War representing the anarchist faction of the conflict. Today, the flag is commonly used by anarcho-communists, anarcho-syndicalists, libertarian socialists, and, more generally, social anarchists alike.

In Spain, the national anarcho-syndicalist trade union Confederación Nacional del Trabajo initially refused to join a popular front electoral alliance, and abstention by CNT supporters led to a right-wing election victory. In 1936, the CNT changed its policy, and anarchist votes helped bring the popular front back to power. Months later, the former ruling class responded with an attempted coup causing the Spanish Civil War (1936–1939). In response to the army rebellion, an anarchist-inspired movement of peasants and industrial workers, supported by armed militias, took control of Barcelona and large areas of rural Spain, where they collectivized the land. However, even before the fascist victory in 1939, the anarchists were losing ground in a bitter struggle with the Stalinists, who controlled the distribution of military aid to the Republican cause from the Soviet Union. The events known as the Spanish Revolution was a workers' social revolution that began during the outbreak of the Spanish Civil War in 1936 and resulted in the widespread implementation of anarchist and, more broadly, libertarian socialist organizational principles throughout various portions of the country for two to three years, primarily Catalonia, Aragon, Andalusia, and parts of the Levante. Much of Spain's economy was put under worker control; in anarchist strongholds like Catalonia, the figure was as high as 75%, but lower in areas with heavy Communist Party of Spain influence, as the Soviet-allied party actively resisted attempts at collectivization enactment. Factories were run through worker committees, and agrarian areas became collectivized and ran as libertarian communes. Anarchist historian Sam Dolgoff estimated that about eight million people participated directly or at least indirectly in the Spanish Revolution, which he claimed "came closer to realizing the ideal of the free stateless society on a vast scale than any other revolution in history". Stalinist-led troops suppressed the collectives and persecuted both dissident Marxists and anarchists.

An anti-fascist poster from the libertarian socialist factions of Madrid, Spain, reading "The surveillance of the city must be ensured by the Antifascist Popular Guard" as a warning of Nationalist terrorism

Although every sector of the stateless parts of Spain had undergone workers' self-management, collectivization of agricultural and industrial production, and in parts using money or some degree of private property, heavy regulation of markets by democratic communities, other areas throughout Spain used no money at all, and followed principles in accordance with "From each according to his ability, to each according to his needs". One such example was the libertarian communist village of Alcora in the Valencian Community, where money was absent, and the distribution of properties and services was done based upon needs, not who could afford them.

Post-war years

Anarcho-communism entered into internal debates over the organization issue in the post-World War II era. Founded in October 1935, the Anarcho-Communist Federation of Argentina (FACA, Federación Anarco-Comunista Argentina) in 1955 renamed itself the Argentine Libertarian Federation. The Fédération Anarchiste (FA) was founded in Paris on 2 December 1945 and elected the platformist anarcho-communist George Fontenis as its first secretary the following year. It was composed of a majority of activists from the former FA (which supported Volin's Synthesis) and some members of the former Union Anarchiste, which supported the CNT-FAI support to the Republican government during the Spanish Civil War, as well as some young Resistants. In 1950 a clandestine group formed within the FA called Organisation Pensée Bataille (OPB), led by George Fontenis. The Manifesto of Libertarian Communism was written in 1953 by Georges Fontenis for the Federation Communiste Libertaire of France. It is one of the key texts of the anarchist-communist current known as platformism. The OPB pushed for a move that saw the FA change its name to the Fédération Communiste Libertaire (FCL) after the 1953 Congress in Paris, while an article in Le Libertaire indicated the end of the cooperation with the French Surrealist Group led by André Breton.

The new decision-making process was founded on unanimity: each person has a right of veto on the orientations of the federation. The FCL published the same year Manifeste du communisme libertaire. Several groups quit the FCL in December 1955, disagreeing with the decision to present "revolutionary candidates" to the legislative elections. On 15–20 August 1954, the Ve intercontinental plenum of the CNT took place. A group called Entente anarchiste appeared, which was formed of militants who did not like the new ideological orientation that the OPB was giving the FCL seeing it was authoritarian and almost Marxist. The FCL lasted until 1956, just after participating in state legislative elections with ten candidates. This move alienated some members of the FCL and thus produced the end of the organization. A group of militants who disagreed with the FA turning into FCL reorganized a new Federation Anarchiste established in December 1953. This included those who formed L'Entente anarchiste, who joined the new FA and then dissolved L'Entente. The new base principles of the FA were written by the individualist anarchist Charles-Auguste Bontemps and the non-platformist anarcho-communist Maurice Joyeux which established an organization with a plurality of tendencies and autonomy of groups organized around synthesist principles. According to historian Cédric Guérin, "the unconditional rejection of Marxism became from that moment onwards an identity element of the new Federation Anarchiste". This was motivated in a significant part by the previous conflict with George Fontenis and his OPB.

In Italy, the Italian Anarchist Federation was founded in 1945 in Carrara. It adopted an "Associative Pact" and the "Anarchist Program" of Errico Malatesta. It decided to publish the weekly Umanità Nova, retaking the name of the journal published by Errico Malatesta. Inside the FAI, the Anarchist Groups of Proletarian Action (GAAP) was founded, led by Pier Carlo Masini, which "proposed a Libertarian Party with an anarchist theory and practice adapted to the new economic, political and social reality of post-war Italy, with an internationalist outlook and effective presence in the workplaces [...] The GAAP allied themselves with the similar development within the French Anarchist movement", as led by George Fontenis. In the early seventies, a platformist tendency emerged within the Italian Anarchist Federation, which argued for more strategic coherence and social insertion in the workers' movement while rejecting the synthesist "Associative Pact" of Malatesta, which the FAI adhered to. These groups started organizing themselves outside the FAI in organizations such as O.R.A. from Liguria, which organized a Congress attended by 250 delegates of groups from 60 locations. This movement was influential in the autonomia movements of the seventies. They published Fronte Libertario: della lotta di classe in Bologna and Comunismo libertario from Modena. The Federation of Anarchist Communists (Federazione dei Comunisti Anarchici), or FdCA, was established in 1985 in Italy from the fusion of the Organizzazione Rivoluzionaria Anarchica (Revolutionary Anarchist Organisation) and the Unione dei Comunisti Anarchici della Toscana (Tuscan Union of Anarchist Communists).

The International of Anarchist Federations (IAF/IFA) was founded during an international anarchist conference in Carrara in 1968 by the three existing European anarchist federations of France (Fédération Anarchiste), Italy (Federazione Anarchica Italiana), and Spain (Federación Anarquista Ibérica) as well as the Bulgarian federation in French exile. These organizations were also inspired by synthesist principles.

Contemporary times

The synthesist Italian Anarchist Federation and the platformist Federation of Anarchist Communists continue to exist today in Italy, but insurrectionary anarchism continues to be relevant, as the recent establishment of the Informal Anarchist Federation shows.

In the 1970s, the French Fédération Anarchiste evolved into a joining of the principles of synthesis anarchism and platformism. Later the platformist organizations Libertarian Communist Organization (France) in 1976 and Alternative libertaire in 1991 appeared, with this last one existing until today alongside the synthesist Fédération Anarchiste. Recently, platformist organizations founded the now-defunct International Libertarian Solidarity network and its successor, the Anarkismo network, which is run collaboratively by roughly 30 platformist organizations worldwide.

Economic theory

The abolition of money, prices, and wage labor are central to anarchist communism. With the distribution of wealth being based on self-determined needs, people would be free to engage in whatever activities they found most fulfilling and would no longer have to engage in work for which they have neither the temperament nor the aptitude.

Anarcho-communists argue that there is no good way of measuring the value of any person's economic contributions because all wealth is a common product of current and preceding generations. For instance, one could not measure the value of a factory worker's daily production without considering how transportation, food, water, shelter, relaxation, machine efficiency, emotional mood, etc., contributed to their production. To honestly give numerical economic value to anything, an overwhelming amount of externalities and contributing factors would need to be considered—especially current or past labor contributing to the ability to utilize future labor. As Kropotkin put it: "No distinction can be drawn between the work of each man. Measuring the work by its results leads us to absurdity; dividing and measuring them by hours spent on the work also leads us to absurdity. One thing remains: put the needs above the works, and first of all recognize the right to live, and later on, to the comforts of life, for all those who take their share in production.."

The Conquest of Bread by Peter Kropotkin, an influential work that presents the economic vision of anarcho-communism

Communist anarchism shares many traits with collectivist anarchism, but the two are distinct. Collectivist anarchism believes in collective ownership, while communist anarchism negates the entire concept of ownership in favor of the concept of usage.

Gift economies and commons-based organizing

Watercolor by James G. Swan depicting the Klallam people of chief Chetzemoka at Port Townsend, with one of Chetzemoka's wives distributing potlatch

Traditional societies dominated by gift exchange were small in scale and geographically remote from each other. Market exchange dominated as states formed to regulate trade and commerce within their boundaries. Nonetheless, gift exchange continues to play an essential role in modern society. Contrary to popular conception, there is no evidence that societies relied only on barter before using money for trade. Instead, non-monetary societies operated primarily along the principles of gift economics, and in more complex economies, on debt. When barter occurred, it was usually between strangers or would-be enemies.

The expansion of the Internet has witnessed a resurgence of the gift economy, especially in the technology sector. Engineers, scientists, and software developers create open-source software projects. The Linux kernel and the GNU operating system are prototypical examples of the gift economy's prominence in the technology sector and its active role in using permissive free software and copyleft licenses, which allow free reuse of software and knowledge. Other examples include file-sharing, the commons, and open access. Anarchist scholar Uri Gordon has argued:

The collaborative development of free software like the Linux operating system and applications such as OpenOffice clearly approximate an informational anarchist communism. Moreover, for anarchists it is precisely the logic of expropriation and electronic piracy that enables a radical political extension of the cultural ideals of the free manipulation, circulation and use of information associated with the "hacker ethic" (Himanen 2001). The space of illegality created by P2P (peer-to-peer) file-sharing opens up the possibility, not only of the open circulation of freely-given information and software as it is on the Internet today, but also of conscious copyright violation. The Internet, then, enables not only communist relations around information, but also the militant contamination and erosion of non-communist regimes of knowledge—a technological "weapon" to equalise access to information, eating away at intellectual property rights by rendering them unenforceable.

The interest in such economic forms goes back to Peter Kropotkin, who saw in the hunter-gatherer tribes he had visited the paradigm of "mutual aid".

Philosophical debates

Motivation

Anarchist communists reject the belief that wage labor is necessary because people are selfish by human nature. Most would point to examples of humans being willing to sacrifice time or resources for others and believe that systems of wage labor and state taxation serve more to restrict that instinct to help others rather than ensuring a society continues to function. Anarcho-communists generally do not agree with the belief in a pre-set "human nature", arguing that human culture and behavior are primarily determined by socialization and the mode of production. Many anarchist communists, like Peter Kropotkin, also believe that the human evolutionary tendency is for humans to cooperate for mutual benefit and survival instead of existing as lone competitors, a position that Kropotkin argued for at length.

While anarchist communists such as Peter Kropotkin and Murray Bookchin believed that the members of such a society would voluntarily perform all necessary labor because they would recognize the benefits of communal enterprise and mutual aid, other anarchist communists such as Nestor Makhno and Ricardo Flores Magón argue that all those able to work in an anarchist communist society should be obligated to do so, excepting groups like children, the elderly, the sick, or the infirm. Kropotkin did not think laziness or sabotage would be a significant problem in an authentically anarchist-communist society. However, he did agree that a freely associated anarchist commune could, and probably should, deliberately disassociate from those not fulfilling their communal agreement to do their share of work. Peter Gelderloos, based on the Kibbutz, argues that motivation in a moneyless society would be found in the satisfaction of work, concern for the community, competition for prestige, and praise from other community members.

Freedom, work, and leisure

Anarchist communists support communism as a means for ensuring the greatest freedom and well-being for everyone, rather than only the wealthy and powerful. In this sense, anarchist communism is a profoundly egalitarian philosophy.

Kropotkin said that the main authoritarian mistakes in communist experiments of the past were their being based on "religious enthusiasm" and the desire to live "as a family" where the individual had to "submit to the dictates of a punctilious morality". For him, anarcho-communism should be based on the right of free association and disassociation for individuals and groups and on significantly lowering the number of hours each individual dedicates to necessary labor. He says that "to recognise a variety of occupations as the basis of all progress and to organise in such a way that man may be absolutely free during his leisure time, whilst he may also vary his work, a change for which his early education and instruction will have prepared him—this can easily be put in practice in a Communist society—this, again, means the emancipation of the individual, who will find doors open in every direction for his complete development".

Individualism and collectivism

Peter Kropotkin argued that individuals sacrificing themselves for the "greater", or being ruled by the "community" or "society", is not possible because society is composed of individuals rather than being a cohesive unit separate from the individual and argue that collective control over the individual is tyrannical and antithetical to anarchism. Others such as Lucien van der Walt and Michael Schmidt argue that "[t]he anarchists did not [...] identify freedom with the right of everybody to do exactly what one pleased but with a social order in which collective effort and responsibilities—that is to say, obligations—would provide the material basis and social nexus in which individual freedom could exist." They argued that "genuine freedom and individuality could only exist in a free society" and that in contrast to "misanthropic bourgeois individualism" anarchism was based in "a deep love of freedom, understood as a social product, a deep respect for human rights, a profound celebration of humankind and its potential and a commitment to a form of society where a 'true individuality' was irrevocably linked to 'the highest communist socieability'".

Egoist anarchist philosophical positions are essential in anarcho-communist insurrectionary anarchism.[citation needed] After analyzing insurrectionary anarcho-communist Luigi Galleani's view on anarcho-communism, post-left anarcho-communist Bob Black went as far as saying that "communism is the final fulfillment of individualism [...] The apparent contradiction between individualism and communism rests on a misunderstanding of both [...] Subjectivity is also objective: the individual really is subjective. It is nonsense to speak of 'emphatically prioritizing the social over the individual,' [...] You may as well speak of prioritizing the chicken over the egg. Anarchy is a 'method of individualization.' It aims to combine the greatest individual development with the greatest communal unity."

Property

Alexander Berkman advocated for profit to be replaced with communities of common property, where all group members shared possessions

Anarchist communists counter the capitalist conception that communal property can only be maintained by force and that such a position is neither fixed in nature nor unchangeable in practice, citing numerous examples of communal behavior occurring naturally, even within capitalist systems. Anarchist communists call for the abolition of private property while maintaining respect for personal property. As such, the prominent anarcho-communist Alexander Berkman maintained that "The revolution abolishes private ownership of the means of production and distribution, and with it goes capitalistic business. Personal possession remains only in the things you use. Thus, your watch is your own, but the watch factory belongs to the people. Land, machinery, and all other public utilities will be collective property, neither to be bought nor sold. Actual use will be considered the only title-not to ownership but to possession. The organization of the coal miners, for example, will be in charge of the coal mines, not as owners but as the operating agency. Similarly will the railroad brotherhoods run the railroads, and so on. Collective possession, cooperatively managed in the interests of the community, will take the place of personal ownership privately conducted for profit."

Free association of communes as opposed to the nation-state

Anarcho-communism calls for a decentralized confederal form in relationships of mutual aid and free association between communes as an alternative to the centralism of the nation-state. Peter Kropotkin thus suggested:

Representative government has accomplished its historical mission; it has given a mortal blow to court-rule; and by its debates it has awakened public interest in public questions. But to see in it the government of the future socialist society is to commit a gross error. Each economic phase of life implies its own political phase; and it is impossible to touch the very basis of the present economic life—private property—without a corresponding change in the very basis of the political organization. Life already shows in which direction the change will be made. Not in increasing the powers of the State, but in resorting to free organization and free federation in all those branches which are now considered as attributes of the State.

— Peter Kropotkin, Anarchist Communism: Its Basis and Principles

Opposition to patriotism

Dr Rob Sparrow outlined four main reasons why anarcho-communists oppose patriotism:

  • The belief in equality for all people
  • The use of patriotism to subjugate the working class
  • The association between patriotism and militarism
  • The use of patriotism to encourage loyalty to the state

Arctic Ocean

From Wikipedia, the free encyclopedia
The Arctic Ocean, with borders as delineated by the International Hydrographic Organization (IHO), including Hudson Bay (some of which is south of 57°N latitude, off the map) and all other marginal seas.

The Arctic Ocean is the smallest and shallowest of the world's five major oceans. It spans an area of approximately 14,060,000 km2 (5,430,000 sq mi) and is known as one of the coldest of oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, although some oceanographers call it the Arctic Mediterranean Sea. It has also been described as an estuary of the Atlantic Ocean. It is also seen as the northernmost part of the all-encompassing World Ocean.

The Arctic Ocean includes the North Pole region in the middle of the Northern Hemisphere and extends south to about 60°N. The Arctic Ocean is surrounded by Eurasia and North America, and the borders follow topographic features: the Bering Strait on the Pacific side and the Greenland Scotland Ridge on the Atlantic side. It is mostly covered by sea ice throughout the year and almost completely in winter. The Arctic Ocean's surface temperature and salinity vary seasonally as the ice cover melts and freezes; its salinity is the lowest on average of the five major oceans, due to low evaporation, heavy fresh water inflow from rivers and streams, and limited connection and outflow to surrounding oceanic waters with higher salinities. The summer shrinking of the ice has been quoted at 50%. The US National Snow and Ice Data Center (NSIDC) uses satellite data to provide a daily record of Arctic sea ice cover and the rate of melting compared to an average period and specific past years, showing a continuous decline in sea ice extent. In September 2012, the Arctic ice extent reached a new record minimum. Compared to the average extent (1979–2000), the sea ice had diminished by 49%.

Decrease of old Arctic Sea ice 1982–2007

History

North America

Human habitation in the North American polar region goes back at least 17,000–50,000 years, during the Wisconsin glaciation. At this time, falling sea levels allowed people to move across the Bering land bridge that joined Siberia to northwestern North America (Alaska), leading to the Settlement of the Americas.

Thule archaeological site

Early Paleo-Eskimo groups included the Pre-Dorset (c. 3200–850 BC); the Saqqaq culture of Greenland (2500–800 BC); the Independence I and Independence II cultures of northeastern Canada and Greenland (c. 2400–1800 BC and c. 800–1 BC); and the Groswater of Labrador and Nunavik. The Dorset culture spread across Arctic North America between 500 BC and AD 1500. The Dorset were the last major Paleo-Eskimo culture in the Arctic before the migration east from present-day Alaska of the Thule, the ancestors of the modern Inuit.

The Thule Tradition lasted from about 200 BC to AD 1600, arising around the Bering Strait and later encompassing almost the entire Arctic region of North America. The Thule people were the ancestors of the Inuit, who now live in Alaska, Northwest Territories, Nunavut, northern Quebec, Labrador and Greenland.

Europe

For much of European history, the north polar regions remained largely unexplored and their geography conjectural. Pytheas of Massilia recorded an account of a journey northward in 325 BC, to a land he called "Eschate Thule", where the Sun only set for three hours each day and the water was replaced by a congealed substance "on which one can neither walk nor sail". He was probably describing loose sea ice known today as "growlers" or "bergy bits"; his "Thule" was probably Norway, though the Faroe Islands or Shetland have also been suggested.

Emanuel Bowen's 1780s map of the Arctic features a "Northern Ocean".

Early cartographers were unsure whether to draw the region around the North Pole as land (as in Johannes Ruysch's map of 1507, or Gerardus Mercator's map of 1595) or water (as with Martin Waldseemüller's world map of 1507). The fervent desire of European merchants for a northern passage, the Northern Sea Route or the Northwest Passage, to "Cathay" (China) caused water to win out, and by 1723 mapmakers such as Johann Homann featured an extensive "Oceanus Septentrionalis" at the northern edge of their charts.

The few expeditions to penetrate much beyond the Arctic Circle in that era added only small islands, such as Novaya Zemlya (11th century) and Spitzbergen (1596), though, since these were often surrounded by pack-ice, their northern limits were not so clear. The makers of navigational charts, more conservative than some of the more fanciful cartographers, tended to leave the region blank, with only fragments of known coastline sketched in.

The Arctic region showing the Northeast Passage, the Northern Sea Route within it, and the Northwest Passage.

19th century

This lack of knowledge of what lay north of the shifting barrier of ice gave rise to a number of conjectures. In England and other European nations, the myth of an "Open Polar Sea" was persistent. John Barrow, longtime Second Secretary of the British Admiralty, promoted exploration of the region from 1818 to 1845 in search of this.

In the United States in the 1850s and 1860s, the explorers Elisha Kane and Isaac Israel Hayes both claimed to have seen part of this elusive body of water. Even quite late in the century, the eminent authority Matthew Fontaine Maury included a description of the Open Polar Sea in his textbook The Physical Geography of the Sea (1883). Nevertheless, as all the explorers who travelled closer and closer to the pole reported, the polar ice cap is quite thick and persists year-round.

Fridtjof Nansen was the first to make a nautical crossing of the Arctic Ocean, in the Fram Expedition from 1893 to 1896.

20th century

The first surface crossing of the ocean was led by Wally Herbert in 1969, in a dog sled expedition from Alaska to Svalbard, with air support. The first nautical transit of the north pole was made in 1958 by the submarine USS Nautilus, and the first surface nautical transit occurred in 1977 by the icebreaker NS Arktika.

Since 1937, Soviet and Russian manned drifting ice stations have extensively monitored the Arctic Ocean. Scientific settlements were established on the drift ice and carried thousands of kilometres by ice floes.

In World War II, the European region of the Arctic Ocean was heavily contested: the Allied commitment to resupply the Soviet Union via its northern ports was opposed by German naval and air forces.

Since 1954 commercial airlines have flown over the Arctic Ocean (see Polar route).

Geography

A bathymetric/topographic map of the Arctic Ocean and the surrounding lands.
The Arctic region; of note, the region's southerly border on this map is depicted by a red isotherm, with all territory to the north having an average temperature of less than 10 °C (50 °F) in July.

Size

The Arctic Ocean occupies a roughly circular basin and covers an area of about 14,056,000 km2 (5,427,000 sq mi), almost the size of Antarctica. The coastline is 45,390 km (28,200 mi) long. It is the only ocean smaller than Russia, which has a land area of 16,377,742 km2 (6,323,482 sq mi).

Surrounding land and exclusive economic zones

The Arctic Ocean is surrounded by the land masses of Eurasia (Russia and Norway), North America (Canada and the U.S. state of Alaska), Greenland, and Iceland.

Arctic exclusive economic zones
Country segment Area (km2)
Laptev Sea to Chukchi Sea, Russia 2,088,075
Kara Sea, Russia 1,058,129
Barents Sea, Russia 1,199,008
Mainland Norway 935,397
Svalbard Island, Norway 804,907
Jan Mayen Island, Norway 292,189
Mainland Iceland 756,112
Mainland Greenland 2,278,113
East Coast 2,276,594
Arctic Canada 3,021,355
Arctic United States 508,814
Other 1,500,000
Arctic Ocean total 14,056,000

Note: Some parts of the areas listed in the table are located in the Atlantic Ocean. Other consists of Gulfs, Straits, Channels and other parts without specific names and excludes Exclusive Economic Zones.

Subareas and connections

The Arctic Ocean is connected to the Pacific Ocean by the Bering Strait and to the Atlantic Ocean through the Greenland Sea and Labrador Sea. (The Iceland Sea is sometimes considered part of the Greenland Sea, and sometimes separate.)

The largest seas in the Arctic Ocean:

  1. Barents Sea—1.4 million km2
  2. Hudson Bay—1.23 million km2 (sometimes not included)
  3. Greenland Sea—1.205 million km2
  4. East Siberian Sea—987,000 km2
  5. Kara Sea—926,000 km2
  6. Laptev Sea—662,000 km2
  7. Chukchi Sea—620,000 km2
  8. Beaufort Sea—476,000 km2
  9. Amundsen Gulf—93,000 km2
  10. White Sea—90,000 km2
  11. Pechora Sea—81,263 km2
  12. Lincoln Sea—64,000 km2
  13. Prince Gustaf Adolf Sea
  14. Queen Victoria Sea
  15. Wandel Sea

Different authorities put various marginal seas in either the Arctic Ocean or the Atlantic Ocean, including: Hudson Bay, Baffin Bay, the Norwegian Sea, and Hudson Strait.

Islands

The main islands and archipelagos in the Arctic Ocean are, from the prime meridian west:

Ports

There are several ports and harbours on the Arctic Ocean.

Arctic shelves

The ocean's Arctic shelf comprises a number of continental shelves, including the Canadian Arctic shelf, underlying the Canadian Arctic Archipelago, and the Russian continental shelf, which is sometimes called the "Arctic Shelf" because it is larger. The Russian continental shelf consists of three separate, smaller shelves: the Barents Shelf, Chukchi Sea Shelf and Siberian Shelf. Of these three, the Siberian Shelf is the largest such shelf in the world; it holds large oil and gas reserves. The Chukchi shelf forms the border between Russian and the United States as stated in the USSR–USA Maritime Boundary Agreement. The whole area is subject to international territorial claims.

The Chukchi Plateau extends from the Chukchi Sea Shelf.

Underwater features

An underwater ridge, the Lomonosov Ridge, divides the deep sea North Polar Basin into two oceanic basins: the Eurasian Basin, which is 4,000–4,500 m (13,100–14,800 ft) deep, and the Amerasian Basin (sometimes called the North American or Hyperborean Basin), which is about 4,000 m (13,000 ft) deep. The bathymetry of the ocean bottom is marked by fault block ridges, abyssal plains, ocean deeps, and basins. The average depth of the Arctic Ocean is 1,038 m (3,406 ft). The deepest point is Molloy Hole in the Fram Strait, at about 5,550 m (18,210 ft).

The two major basins are further subdivided by ridges into the Canada Basin (between Beaufort Shelf of North America and the Alpha Ridge), Makarov Basin (between the Alpha and Lomonosov Ridges), Amundsen Basin (between Lomonosov and Gakkel ridges), and Nansen Basin (between the Gakkel Ridge and the continental shelf that includes the Franz Josef Land).

Geology

The crystalline basement rocks of mountains around the Arctic Ocean were recrystallized or formed during the Ellesmerian orogeny, the regional phase of the larger Caledonian orogeny in the Paleozoic Era. Regional subsidence in the Jurassic and Triassic periods led to significant sediment deposition, creating many of the reservoirs for current day oil and gas deposits. During the Cretaceous period, the Canadian Basin opened, and tectonic activity due to the assembly of Alaska caused hydrocarbons to migrate toward what is now Prudhoe Bay. At the same time, sediments shed off the rising Canadian Rockies built out the large Mackenzie Delta.

The rifting apart of the supercontinent Pangea, beginning in the Triassic period, opened the early Atlantic Ocean. Rifting then extended northward, opening the Arctic Ocean as mafic oceanic crust material erupted out of a branch of Mid-Atlantic Ridge. The Amerasia Basin may have opened first, with the Chukchi Borderland moved along to the northeast by transform faults. Additional spreading helped to create the "triple-junction" of the Alpha-Mendeleev Ridge in the Late Cretaceous epoch.

Throughout the Cenozoic Era, the subduction of the Pacific plate, the collision of India with Eurasia, and the continued opening of the North Atlantic created new hydrocarbon traps. The seafloor began spreading from the Gakkel Ridge in the Paleocene Epoch and the Eocene Epoch, causing the Lomonosov Ridge to move farther from land and subside.

Because of sea ice and remote conditions, the geology of the Arctic Ocean is still poorly explored. The Arctic Coring Expedition drilling shed some light on the Lomonosov Ridge, which appears to be continental crust separated from the Barents-Kara Shelf in the Paleocene and then starved of sediment. It may contain up to 10 billion barrels of oil. The Gakkel Ridge rift is also poorly understand and may extend into the Laptev Sea.

Oceanography

Water flow

Distribution of the major water mass in the Arctic Ocean. The section sketches the different water masses along a vertical section from Bering Strait over the geographic North Pole to Fram Strait. As the stratification is stable, deeper water masses are denser than the layers above.
Density structure of the upper 1,200 m (3,900 ft) in the Arctic Ocean. Profiles of temperature and salinity for the Amundsen Basin, the Canadian Basin and the Greenland Sea are sketched.

In large parts of the Arctic Ocean, the top layer (about 50 m [160 ft]) is of lower salinity and lower temperature than the rest. It remains relatively stable because the salinity effect on density is bigger than the temperature effect. It is fed by the freshwater input of the big Siberian and Canadian rivers (Ob, Yenisei, Lena, Mackenzie), the water of which quasi floats on the saltier, denser, deeper ocean water. Between this lower salinity layer and the bulk of the ocean lies the so-called halocline, in which both salinity and temperature rise with increasing depth.

A copepod

Because of its relative isolation from other oceans, the Arctic Ocean has a uniquely complex system of water flow. It resembles some hydrological features of the Mediterranean Sea, referring to its deep waters having only limited communication through the Fram Strait with the Atlantic Basin, "where the circulation is dominated by thermohaline forcing". The Arctic Ocean has a total volume of 18.07 × 106 km3, equal to about 1.3% of the World Ocean. Mean surface circulation is predominantly cyclonic on the Eurasian side and anticyclonic in the Canadian Basin.

Water enters from both the Pacific and Atlantic Oceans and can be divided into three unique water masses. The deepest water mass is called Arctic Bottom Water and begins around 900 m (3,000 ft) depth. It is composed of the densest water in the World Ocean and has two main sources: Arctic shelf water and Greenland Sea Deep Water. Water in the shelf region that begins as inflow from the Pacific passes through the narrow Bering Strait at an average rate of 0.8 Sverdrups and reaches the Chukchi Sea. During the winter, cold Alaskan winds blow over the Chukchi Sea, freezing the surface water and pushing this newly formed ice out to the Pacific. The speed of the ice drift is roughly 1–4 cm/s. This process leaves dense, salty waters in the sea that sink over the continental shelf into the western Arctic Ocean and create a halocline.

The Kennedy Channel.

This water is met by Greenland Sea Deep Water, which forms during the passage of winter storms. As temperatures cool dramatically in the winter, ice forms, and intense vertical convection allows the water to become dense enough to sink below the warm saline water below. Arctic Bottom Water is critically important because of its outflow, which contributes to the formation of Atlantic Deep Water. The overturning of this water plays a key role in global circulation and the moderation of climate.

In the depth range of 150–900 m (490–2,950 ft) is a water mass referred to as Atlantic Water. Inflow from the North Atlantic Current enters through the Fram Strait, cooling and sinking to form the deepest layer of the halocline, where it circles the Arctic Basin counter-clockwise. This is the highest volumetric inflow to the Arctic Ocean, equalling about 10 times that of the Pacific inflow, and it creates the Arctic Ocean Boundary Current. It flows slowly, at about 0.02 m/s. Atlantic Water has the same salinity as Arctic Bottom Water but is much warmer (up to 3 °C [37 °F]). In fact, this water mass is actually warmer than the surface water and remains submerged only due to the role of salinity in density. When water reaches the basin, it is pushed by strong winds into a large circular current called the Beaufort Gyre. Water in the Beaufort Gyre is far less saline than that of the Chukchi Sea due to inflow from large Canadian and Siberian rivers.

The final defined water mass in the Arctic Ocean is called Arctic Surface Water and is found in the depth range of 150–200 m (490–660 ft). The most important feature of this water mass is a section referred to as the sub-surface layer. It is a product of Atlantic water that enters through canyons and is subjected to intense mixing on the Siberian Shelf. As it is entrained, it cools and acts a heat shield for the surface layer on account of weak mixing between layers.

However, over the past couple of decades a combination of the warming and the shoaling of Atlantic water are leading to the increasing influence of Atlantic water heat in melting sea ice in the eastern Arctic. The most recent estimates, for 2016–2018, indicate the oceanic heat flux to the surface has now overtaken the atmospheric flux in the eastern Eurasian Basin. Over the same period the weakening halocline stratification has coincided with increasing upper ocean currents thought to be associated with declining sea ice, indicate increasing mixing in this region. In contrast direct measurements of mixing in the western Arctic indicate the Atlantic water heat remains isolated at intermediate depths even under the 'perfect storm' conditions of the Great Arctic Cyclone of 2012.

Waters originating in the Pacific and Atlantic both exit through the Fram Strait between Greenland and Svalbard Island, which is about 2,700 m (8,900 ft) deep and 350 km (220 mi) wide. This outflow is about 9 Sv. The width of the Fram Strait is what allows for both inflow and outflow on the Atlantic side of the Arctic Ocean. Because of this, it is influenced by the Coriolis force, which concentrates outflow to the East Greenland Current on the western side and inflow to the Norwegian Current on the eastern side. Pacific water also exits along the west coast of Greenland and the Hudson Strait (1–2 Sv), providing nutrients to the Canadian Archipelago.

As noted, the process of ice formation and movement is a key driver in Arctic Ocean circulation and the formation of water masses. With this dependence, the Arctic Ocean experiences variations due to seasonal changes in sea ice cover. Sea ice movement is the result of wind forcing, which is related to a number of meteorological conditions that the Arctic experiences throughout the year. For example, the Beaufort High—an extension of the Siberian High system—is a pressure system that drives the anticyclonic motion of the Beaufort Gyre. During the summer, this area of high pressure is pushed out closer to its Siberian and Canadian sides. In addition, there is a sea level pressure (SLP) ridge over Greenland that drives strong northerly winds through the Fram Strait, facilitating ice export. In the summer, the SLP contrast is smaller, producing weaker winds. A final example of seasonal pressure system movement is the low pressure system that exists over the Nordic and Barents Seas. It is an extension of the Icelandic Low, which creates cyclonic ocean circulation in this area. The low shifts to centre over the North Pole in the summer. These variations in the Arctic all contribute to ice drift reaching its weakest point during the summer months. There is also evidence that the drift is associated with the phase of the Arctic Oscillation and Atlantic Multidecadal Oscillation.

Sea ice

Sea cover in the Arctic Ocean, showing the median, 2005 and 2007 coverage
On the sea ice of the Arctic Ocean temporary logistic stations may be installed, Here, a Twin Otter is refueled on the pack ice at 86°N, 76°43‘W.

Much of the Arctic Ocean is covered by sea ice that varies in extent and thickness seasonally. The mean extent of the Arctic sea ice has been continuously decreasing in the last decades, declining at a rate of currently 12.85% per decade since 1980 from the average winter value of 15,600,000 km2 (6,023,200 sq mi). The seasonal variations are about 7,000,000 km2 (2,702,700 sq mi), with the maximum in April and minimum in September. The sea ice is affected by wind and ocean currents, which can move and rotate very large areas of ice. Zones of compression also arise, where the ice piles up to form pack ice.

Icebergs occasionally break away from northern Ellesmere Island, and icebergs are formed from glaciers in western Greenland and extreme northeastern Canada. Icebergs are not sea ice but may become embedded in the pack ice. Icebergs pose a hazard to ships, of which the Titanic is one of the most famous. The ocean is virtually icelocked from October to June, and the superstructure of ships are subject to icing from October to May. Before the advent of modern icebreakers, ships sailing the Arctic Ocean risked being trapped or crushed by sea ice (although the Baychimo drifted through the Arctic Ocean untended for decades despite these hazards).

Climate

The Arctic Ocean is contained in a polar climate characterized by persistent cold and relatively narrow annual temperature ranges. Winters are characterized by the polar night, extreme cold, frequent low-level temperature inversions, and stable weather conditions. Cyclones are only common on the Atlantic side. Summers are characterized by continuous daylight (midnight sun), and air temperatures can rise slightly above 0 °C (32 °F). Cyclones are more frequent in summer and may bring rain or snow. It is cloudy year-round, with mean cloud cover ranging from 60% in winter to over 80% in summer.

The temperature of the surface water of the Arctic Ocean is fairly constant at approximately −1.8 °C (28.8 °F), near the freezing point of seawater.

The density of sea water, in contrast to fresh water, increases as it nears the freezing point and thus it tends to sink. It is generally necessary that the upper 100–150 m (330–490 ft) of ocean water cools to the freezing point for sea ice to form. In the winter, the relatively warm ocean water exerts a moderating influence, even when covered by ice. This is one reason why the Arctic does not experience the extreme temperatures seen on the Antarctic continent.

There is considerable seasonal variation in how much pack ice of the Arctic ice pack covers the Arctic Ocean. Much of the Arctic ice pack is also covered in snow for about 10 months of the year. The maximum snow cover is in March or April—about 20–50 cm (7.9–19.7 in) over the frozen ocean.

The climate of the Arctic region has varied significantly during the Earth's history. During the Paleocene–Eocene Thermal Maximum 55 million years ago, when the global climate underwent a warming of approximately 5–8 °C (9–14 °F), the region reached an average annual temperature of 10–20 °C (50–68 °F). The surface waters of the northernmost Arctic Ocean warmed, seasonally at least, enough to support tropical lifeforms (the dinoflagellates Apectodinium augustum) requiring surface temperatures of over 22 °C (72 °F).

Currently, the Arctic region is warming twice as fast as the rest of the planet.

Biology

Three polar bears approach USS Honolulu near the North Pole.

Due to the pronounced seasonality of 2–6 months of midnight sun and polar night in the Arctic Ocean, the primary production of photosynthesizing organisms such as ice algae and phytoplankton is limited to the spring and summer months (March/April to September). Important consumers of primary producers in the central Arctic Ocean and the adjacent shelf seas include zooplankton, especially copepods (Calanus finmarchicus, Calanus glacialis, and Calanus hyperboreus) and euphausiids, as well as ice-associated fauna (e.g., amphipods). These primary consumers form an important link between the primary producers and higher trophic levels. The composition of higher trophic levels in the Arctic Ocean varies with region (Atlantic side vs. Pacific side) and with the sea-ice cover. Secondary consumers in the Barents Sea, an Atlantic-influenced Arctic shelf sea, are mainly sub-Arctic species including herring, young cod, and capelin. In ice-covered regions of the central Arctic Ocean, polar cod is a central predator of primary consumers. The apex predators in the Arctic Ocean—marine mammals such as seals, whales, and polar bears—prey upon fish.

Endangered marine species in the Arctic Ocean include walruses and whales. The area has a fragile ecosystem, and it is especially exposed to climate change, because it warms faster than the rest of the world. Lion's mane jellyfish are abundant in the waters of the Arctic, and the banded gunnel is the only species of gunnel that lives in the ocean.

Minke whale
Walruses on Arctic ice floe

Natural resources

Petroleum and natural gas fields, placer deposits, polymetallic nodules, sand and gravel aggregates, fish, seals and whales can all be found in abundance in the region.

The political dead zone near the centre of the sea is also the focus of a mounting dispute between the United States, Russia, Canada, Norway, and Denmark. It is significant for the global energy market because it may hold 25% or more of the world's undiscovered oil and gas resources.

Environmental concerns

Arctic ice melting

The Arctic ice pack is thinning, and a seasonal hole in the ozone layer frequently occurs. Reduction of the area of Arctic sea ice reduces the planet's average albedo, possibly resulting in global warming in a positive feedback mechanism. Research shows that the Arctic may become ice-free in the summer for the first time in human history by 2040. Estimates vary for when the last time the Arctic was ice-free: 65 million years ago when fossils indicate that plants existed there to as recently as 5,500 years ago; ice and ocean cores going back 8,000 years to the last warm period or 125,000 during the last intraglacial period.

Warming temperatures in the Arctic may cause large amounts of fresh melt-water to enter the north Atlantic, possibly disrupting global ocean current patterns. Potentially severe changes in the Earth's climate might then ensue.

As the extent of sea ice diminishes and sea level rises, the effect of storms such as the Great Arctic Cyclone of 2012 on open water increases, as does possible salt-water damage to vegetation on shore at locations such as the Mackenzie Delta as stronger storm surges become more likely.

Global warming has increased encounters between polar bears and humans. Reduced sea ice due to melting is causing polar bears to search for new sources of food. Beginning in December 2018 and coming to an apex in February 2019, a mass invasion of polar bears into the archipelago of Novaya Zemlya caused local authorities to declare a state of emergency. Dozens of polar bears were seen entering homes, public buildings and inhabited areas.

Clathrate breakdown

CambrianOrdovicianSilurianDevonianCarboniferousPermianTriassicJurassicCretaceousPaleogeneNeogene
Marine extinction intensity during the Phanerozoic
%
Millions of years ago
 
The Permian–Triassic extinction event (the Great Dying) may have been caused by release of methane from clathrates. An estimated 52% of marine genera became extinct, representing 96% of all marine species.

Sea ice, and the cold conditions it sustains, serves to stabilize methane deposits on and near the shoreline, preventing the clathrate breaking down and outgassing methane into the atmosphere, causing further warming. Melting of this ice may release large quantities of methane, a powerful greenhouse gas, into the atmosphere, causing further warming in a strong positive feedback cycle and marine genera and species to become extinct.

Other concerns

Other environmental concerns relate to the radioactive contamination of the Arctic Ocean from, for example, Russian radioactive waste dump sites in the Kara Sea, Cold War nuclear test sites such as Novaya Zemlya, Camp Century's contaminants in Greenland, and radioactive contamination from the Fukushima Daiichi nuclear disaster.

On 16 July 2015, five nations (United States, Russia, Canada, Norway, Denmark/Greenland) signed a declaration committing to keep their fishing vessels out of a 1.1 million square mile zone in the central Arctic Ocean near the North Pole. The agreement calls for those nations to refrain from fishing there until there is better scientific knowledge about the marine resources and until a regulatory system is in place to protect those resources.

Gait (human)

From Wikipedia, the free encyclopedia Humans using a running gait. The runner in the back and on the far ...