尽管供人类食用的年捕鱼量没有增加，但这种鱼的数量也在下降。

The population of this fish species has also declined, even though the annual number caught for human consumption has not increased.

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当你想到这相当于世界上四分之一的捕鱼量时，你就会开始看到问题的方方面面。

When you consider that equal a quarter of the world catch, you begin to see the sides of the problem.

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法律和传统也开始提倡控制捕鱼量。

Laws and traditions also arose to control fishing.

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