Krill fishing in the Antarctic has worsened the pollution of the pristine waters.

南极的磷虾捕捞加剧了对原始水域的污染。

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Photo 7 ：Swarms of krill, a cornerstone of the entire Antarctic food chain, feed on phytoplankton that grows on the underside of sea ice.

图7： 成群的磷虾是整个南极动物食物链的基础。 它们以浮游生物为食，生长在海冰的上层。

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When the gulf waters freeze over during the Antarctic winter, they hunt for the krill that lives underneath the ice surface.

在南极洲的冬天，海湾的水面都被冻住了，它们就会去捕捉冰层下面的磷虾为食。

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Also on the list: the abundant Chilean jack mackerel in the southern Pacific Ocean, for human consumption in Africa, and Antarctic krill, for fish oil and fishmeal.

FORBES: Blue Waters Gray Areas