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- W2317547429 abstract "This chapter deals with true Antarctic species defined as those species whose populations rely on the Southern Ocean as a habitat, i.e., critical to a part of their life history, either through the provision of habitat for breeding or through the provision of the major source of food. Species that inhabit the Subantarctic, which is generally seen as including the islands that circle Antarctica in the region of the polar front or the polar frontal zone itself, are not included. The Southern Ocean accounts for about 10% of the world's oceans but it probably supports >50% of the world's marine mammal biomass, including six species of pinnipeds, eight species of baleen whales, and at least seven species of odontocete whales. Therefore, in terms of the diversity of species, the Antarctic is host to only one-fifth of the world's pinniped and a little less than one-fifth of the world's cetacean species. This low diversity may be attributed partly to the lack of land masses to cause isolation and speciation and also because, although large in its total area, the Southern Ocean does not have the diversity of habitats and prey species seen in other ocean basins. Throughout the nineteenth and early twentieth centuries, the Antarctic was viewed as an almost limitless source of marine mammals to be hunted for skins, oil, and other products that found expanding markets in Europe and North America. However industrialization of whale and seal hunting brought both greater efficiency and the inevitability that the resources would be exhausted, much to the detriment of the ecology of the Antarctic and its populations of marine mammals." @default.
- W2317547429 created "2016-06-24" @default.
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- W2317547429 date "1994-05-01" @default.
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- W2317547429 title "Antarctic seals — Research methods and techniques" @default.
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- W2317547429 doi "https://doi.org/10.1016/0022-0981(94)90044-2" @default.
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