由气候驱动的环境变化所导致的共存物种适应,未必一定引致灭绝,反而可能产生性状变异,从而在生态系统中形成新的竞争等级。顶级捕食者在生态系统中具有关键作用,但其在变化环境中的长期效应尚未得到充分探讨。本研究利用长期数据,考察两种共存、生态相似且亲缘关系密切的森林猛 ...
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