Fears are now being voiced that the planned construction of an oil pipeline across the lake's bottom might revive pollution and cause the fish population to decline again.

现在有人担心，计划修建的穿越湖底的输油管道可能会重新造成污染，导致鱼类数量再次下降。

youdao

Surplus production models are among the main models for fish population dynamics.

剩余产量模型是鱼类种群动力学的主要模型之一。

youdao

The other fisherman get more fish than he does, make more in profits, and will ultimately deplete the fish population anyway.

别的渔夫捕鱼比他多，收益比他高，最终鱼还是要被捕光。

youdao

They are the nurseries of the ocean, where many species of fish and shrimp breed and serve as a buffer against coastal erosion in a region where much of the population livesin low-lying areas.

VOA: standard.2010.03.29

The topics include civil engineering, insect genetics, invasion biology, fish population dynamics, and toxic chemical exposures, among others.

FORBES: What Journalists Bring to Science Writing

That helps assure a good mix of genetics and a robust fish population.

CNN: Migrating fish get help in uphill battle

Peter Kerr, director of the trust, said he had "high hopes" it will help the fish population in the county.

BBC: River Coquet 'escalator' to help save dying fish