French researchers have found that over the past 50 years, the population of emperor penguins ( Aptenodytes forsteri ) in Terre Adelie, which was stable until the mid-1970s, had declined abruptly by 50 per cent in the late 1970s and has stablised since. The researchers say that the penguin population declined because there was a prolonged abnormally warm period with reduced sea ice ( Nature , 10 May, 2001).
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Links:
[1] http://admin.indiaenvironmentportal.org.in/news/climatic-susceptibility
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/population
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-science
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/research
