One in 10 bird species could disappear within 100 years

By 2100, nearly 10% of avian species will probably have disappeared, victims of hunting, climate change or the destruction of their habitat, according to a study
conducted at Stanford University (California). As a first step, Cagan Sekercioglu and his colleagues compiled data on the 9916 known bird species and developed three scenarios, from the most optimistic to the most pessimistic. Biologists have thus been able to determine that, within a century, between 6 and 14% of all birds will have become extinct while 7 to 25% will end up either endangered or only surviving.
the captive state. Subsequently, the American team set out to analyze the impact of such a decline in the biodiversity of avian fauna on the environment, human health and the economy. To do this, she synthesized the research carried out on the various roles
ecological effects played by birds (pollination, scavenger work, insect control, etc.). For researchers, the consequences of future extinctions are all the more serious
that they primarily concern specialized species - therefore difficult to replace - weakened by their dependence on a particular ecosystem. USAT 14/12/04 (1 in 10 bird species could vanish within 100 years)

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http://www.usatoday.com/news/science/2004-12-13-bird-species_x.htm

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