keystone species

基本解释

Fig trees are a keystone species in the ecosystem of tropical rainforest in Xishuangbanna.
榕树是热带雨林生态系统中的一类关键物种。
Based on the research of the keystone species, the concept of species importance (SI) was first advanced in this paper.
在对关键种的研究基础上，首次提出了物种重要性（SI）概念。
We must make sure that Redd+ projects are located in biodiversity-rich areas where keystone species such as great apes are struggling to survive.
我们必须确保Redd+项目落实到具有丰富的生物多样性的地区，因为这里类人猿等关键物种正生活在“水深火热”之中。

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