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However , environmentalists say overfishing is threatening shark species .

然而环保主义者说过度捕捞正在威胁鲨鱼这个物种的生存。

This would prevent overfishing of squid .

这将防止过度捕捞鱿鱼。

Fishermen generally understand the risks of overfishing .

渔民大都理解过度捕捞的危险。

One potential sticking point is concerns about overfishing .

该基金有可能会受到过度捕捞问题的拖累。

Tuna stocks are declining precipitously due to overfishing .

由于过度捕捞，吞拿鱼库存量骤然下降。