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A six-country scientists of the joint investigation team 13, regret that in China's Yangtze River are not found in the pandas inhabit, than more scarce inhabit may have become human beings "extinction" of a cetacean.
In this study, the scientists have estimated the number of pessimism is not more than 50 head.
However, it seems now, that is obviously a "optimistic" forecast.Still not fully determined that inhabit extinct, according to the IUCN definition, 50 years in the field to any individual to sign a species extinction.
If the Yangtze River cannot support that inhabit survival, also means that the future cannot support the existence of mankind.Surveys show that over 15000 species extinction, and destroy any faster than the previous geological period.
Scientists in the last year of the Fourth International Conference on the Cambrian warned that mankind is the "Director" in the history of the Earth's sixth biological mass extinction.Xinhua News Agency
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