另一个问题，尽管同样缺乏数据支持，却不容忽视，即过度捕捞和全球气候变暖导致海水温度和洋流改变，进而影响鲨鱼的行为。

Another question — but again, lacking sufficient data to answer it — is the impact on shark behavior from overfishing and from global warming, which affects ocean temperatures and currents.

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据一项全球范围的数据分析，在过去20年中，有超过8百万的海龟因意外被渔船捕捞而死亡。

More than 8 million sea turtles have died in the past 2 decades after being accidentally caught by fishing vessels, a global analysis suggests.

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这些数据占过去50年来全部鱼类捕捞数据的83%。

These data make up 83% ofall records of all catches of fish over the past half-century.

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