Biodiversity in the Polar Oceans

Biodiversity in the Polar Oceans - 05:07 CensusofMarineLife...

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05:07 Biodiversity in the Polar Oceans ‘Census of Marine Life’ o international  o 10 year census o date set to be published 2010 o govs, United Nations, private conservation orgs o 500 scientists o 18 voyages  o survey (2007-2008) 11,000 km gap b/w two oceans o deep ocean currents link poles mutual species o 5 whale, 6 sea bird, 100 crustaceans 7500 species in Antarctic and 5500 in Arctic o most new discoveries are invertebrates 13,000 species found so far Large sea spiders and crustaceans living at 3000m below surface Travel from pole to pole in connecting underwater currents Many found only in polar oceans 235 species (whales, seabirds, crustaceans) Found in both Arctic and Antarctic oceans Interactions between organisms and physical environments Extreme Polar conditions include... o High Salinity Fish: special kidneys and gills for regulation
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