keystone species

基本解释

Fig trees are a keystone species in the ecosystem of tropical rainforest in Xishuangbanna.
榕樹是熱帶雨林生態系統中的一類關鍵物種。
Based on the research of the keystone species, the concept of species importance (SI) was first advanced in this paper.
在對關鍵種的研究基礎上，首次提出了物種重要性（SI）概唸。
We must make sure that Redd+ projects are located in biodiversity-rich areas where keystone species such as great apes are struggling to survive.
我們必須確保Redd+項目落實到具有豐富的生物多樣性的地區，因爲這裡類人猿等關鍵物種正生活在“水深火熱”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