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The ecological features of phytoplankton community were preliminarily studied in the Taihu Lake.The trophic level and saprobic degree of the lake were evaluated in whole and in sub areas respectively.

湖浮游植物群落生态学的研究,对湖春季水质污染富营养化进行总价。

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科学60秒-科学美国人 2022年1月合集

Ecologists call this row of biological dominoes a trophic cascade.

生态学家把这一系列生米诺骨牌效应称为营养级联。

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科学60秒 2018年5月合集

The impact of a predator down through the food web all the way to plants is called a trophic cascade.

捕食者沿食链往下一路直达植响被称为“营养级联”。

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PBS地球-动趣闻

Another is that there's generally more food easily available at lower trophic levels.

另一个因是,在较低营养水平下通常容易获

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此间地球

We've restored the trophic interactions that we want to see in a rain forest.

我们已经恢复了我们希望在雨林中看到营养相互作用。

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假如有如果

When you begin to remove the head of a food chain, it creates something called a trophic cascade, basically a trickle-down effect that can disrupt an entire ecosystem.

当我们开始移除食顶层,这会引起一种叫作营养瀑布现象,基本上它会一点一滴地逐步瓦解整个生态系。

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科学杂志:动

The milk comes out of this egg-laying opening the spiders have--so one idea is that the spider milk might be evolutionarily related to trophic eggs.

牛奶从蜘蛛产卵口中流出 - 所以一个想法是蜘蛛奶可能在进化上与营养卵有关。

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此间地球

So it's a huge success because in a four or five-year-old forest, we've now got ocelots hunting other animals and we've restored the trophic interactions that we want to see in a rain forest.

所以这是一个巨大成功,因为在一个四五年历史森林中,我们现在有豹猫捕食其他动,我们已经恢复了我们希望在雨林中看到营养相互作用。

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