Population biology: fur seals signal their own decline.
Population biology: fur seals signal their own decline.
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种群生物学：海狗预示着它们自身的衰落。
作者：
Coulson T
关于三代南极软毛海豹的数据表明，气候变化正在减少遗传变异少、适应能力差的个体的存活率，但海豹的总数量正在下降。
Data on three generations of Antarctic fur seals suggest that climate change is reducing the survival of less-fit individuals with low genetic variation, but that overall seal numbers are falling.See Letterp.462