4477 to 4488 of 13961 results
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Recent temperature changes in the Arctic and Antarctic
Read more of: Recent temperature changes in the Arctic and AntarcticThe possibility of a global warming induced by increasing levels of atmospheric carbon dioxide has led to increased interest in monitoring global temperatures. Polar regions are of particular interest because […]
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Unique spawning behaviour by the Antarctic limpet Nacella (Patinigera) concinna (Strebel, 1908)
Read more of: Unique spawning behaviour by the Antarctic limpet Nacella (Patinigera) concinna (Strebel, 1908)The Antarctic limpet Nacella (Patingera) concinna (Strebel, 1908) forms temporary “stacks” before spawning, a behaviour which ensures that gametes are released in close proximity. This promotes the fertilization of a […]
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K-Ar geochronology of the South Shetland Islands, Lesser Antarctica: apparent lateral migration of Jurassic to Quaternary island arc volcanism
Read more of: K-Ar geochronology of the South Shetland Islands, Lesser Antarctica: apparent lateral migration of Jurassic to Quaternary island arc volcanismApproximately 70 K-Ar whole-rock ages for low-K tholeiitic and andesitic volcanic and intrusive rocks from the South Shetland Islands, Antarctica, including about 50 not previously published, are reviewed. Activity mainly […]