It follows that over-exploitation is also the main cause of the decline in natural species of ocean fishery.

可见， 过度 开采也是海洋渔业自然生物种类减少的主要因素。

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This technique can provide an applicable bases in the areas of oceanics, ocean wave forecast, port construction, and ocean fishery research.

这些结果可以作为海洋工程、海浪预报、港口建设、海洋渔业等领域研究的基础。

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Petroleum pollution bring a great danger to ocean fishery resource, destroy the natural structure of soil and affect the ecological balance.

石油污染对海洋渔业资源危害巨大，破坏土壤结构，影响生态平衡。

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And because there is no way to tell a Klamath-spawned salmon from one from any other river once the fish reach the ocean, the fishery council says it has no choice but to restrict all salmon fishing along 700 miles of coast.

ECONOMIST: Saving the fish of the Klamath river

Carl Safina, author of Song for the Blue Ocean and founder of the Blue Ocean Institute, says only the U.S., Australia and New Zealand have reasonably good fishery management.

FORBES: Magazine Article