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keystone species

关键种

关键种（keystone species）指对群落具有重要和不相对称影响的物种，如果其从群落中消逝，就能对群落结构造成重大影响。

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关键物种

...声海在《无尾两生类是中海拔溪流生态系的基石种类》也提到，「青蛙是生态系上重要的 关键物种 ， 关键物种 （ keystone species ）是在生态性有绝对重要性的物种。他指出，可能许多人会认为青蛙的数量多，比较不易灭绝，或者是比较不重要。

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基石物种

它们是底级掠食者和基石物种（keystone species），在均衡生态系统和调节猎物数目方面占著无足轻重的位置。美洲豹有异样惊人的咬力，甚至比其他大猫也强得多，让它们能咬穿爬虫类...

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短语

环境科学技术 | 地球科学 | 生物学

·2,447,543篇论文数据，部分数据来源于NoteExpress

abstract: A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance. Such species are described as playing a critical role in maintaining the structure of an ecological community, affecting many other organisms in an ecosystem and helping to determine the types and numbers of various other species in the community.

以上来源于: WordNet

That's what a keystone species does in an ecosystem.

那就是拱顶石物种在生态系统中的作用。

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Because complex species interactions may be involved, identifying a keystone species by removing the species and observing changes in the ecosystem is problematic.

由于其中可能涉及复杂的物种相互作用，通过移除一个关键物种并观察生态系统的变化来确定该物种是有问题的。

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It might seem that certain traits would clearly define a species as a keystone species.

似乎某些特征会清楚地将一个物种定义为关键物种。

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更多双语例句

Whatever the mechanism, though, this study provides what no previous study ever has: evidence from a controlled experiment that keystone species really exist.

ECONOMIST: Ecology: Under the mistletoe | The
Like the humble starfish that preserves entire marine ecosystems by eating mussels, the American public library is the keystone species in the ecosystem of reading.

FORBES: Why Public Libraries Matter: And How They Can Do More
Mistletoe is thus acting as what ecologists refer to as a keystone species: it supports an entire ecosystem, and removing it has drastic effects for the whole.

ECONOMIST: Ecology: Under the mistletoe | The

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