News Release

海鸟觅食与飞鱼的枯竭

Peer-Reviewed Publication

Proceedings of the National Academy of Sciences

A female Ascension frigatebird

image: A female Ascension frigatebird (Fregata aquila) returning from a foraging trip at Ascension Island. view more 

Credit: Image credit: Sam Weber.

在2016年到2019年之间,科研人员研究了在阿森松岛筑巢的海鸟的觅食分布,并且同时估计了这类海鸟的主要猎物��飞鱼在距离该岛至多370公里的丰富程度;这组科研人员还追踪了海鸟的觅食之旅,并且研究了它们的反哺食物,结果发现捕食飞鱼减少了距离海鸟群落超过150公里的的飞鱼种群密度,这提示渔业可能加剧海鸟繁殖群落附近的海鸟猎物的天然耗尽的丰富程度。

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