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November 27, 2006

Tragedy: Global Warming May Mean Fewer Crocodiles

Pretty much global warming is responsible for everything.

Rising global temperatures could disrupt gender balance among reptile populations, a crocodile researcher has warned.

According to Dr Alison Leslie of South Africa's University of Stellenbosch, crocodiles are likely to be affected by warmer waters as their gender is not determined by genetics but is instead due to embryo temperature during incubation.

In an interview for the Discovery Kids programme A Year on Earth, Dr Leslie said: "A difference of between 0.5 and 1C in incubation temperature results in markedly different sex ratios.

"More female hatchlings due to the cooler or hotter incubation temperatures could lead to eventual extirpation [local extinction] of the species from an area."


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posted by Ace at 05:01 PM

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