Trophic Cascades by Large Carnivores: A Case for Strong Inference and Mechanism.

摘要: Studies on trophic cascades involving large carnivores typically are limited by a lack of replication and control, giving rise to spirited debate over the ecological role these iconic species. We argue that much this can be resolved decomposing cascade hypothesis into three constituent interactions, quantifying each interaction individually, accommodating alternative hypotheses. advocate for novel approach couples rigor characterizing foundational work (i.e., from studies carried out in mesocosm whole lake systems) with conservation relevance carnivore-dominated food webs. Because their status, it is crucial inferences about meet same rigorous standards which other community ecology held.