News Release

鳕鱼收获与栖息地变化

Peer-Reviewed Publication

Proceedings of the National Academy of Sciences

科研人员使用种群动态建模评估了捕获特定尺寸和特定年龄的大西洋鳕鱼(Gadus morhua)对加拿大Scotian大陆架东部的效应,结果发现捕鱼深度达80米造成所了观察到的年龄相关鳕鱼栖息地加深72%,增加捕鱼深度到120米造成了这种加深的100%;这种效应在该地区对鳕鱼捕鱼暂停期间下降,这提示了在商业捕获物种中间观察到的年龄相关和尺寸相关的栖息地加深可能是尺寸选择性捕获的一个结果。

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