Derek A. Burkholder, Michael R. Heithaus, James W. Fourqurean, Aaron Wirsing and Lawrence M. Dill Patterns of top-down control in a seagrass ecosystem: could a roving apex predator induce a behaviour-mediated trophic cascade? Journal of Animal Ecology 82
This paper presents unique experimental evidence that sharks can structure ecosystems through risk effects. Specifically, the authors show that tiger sharks indirectly structure seagrass communities by inducing risk-sensitive foraging by sea turtles and sea cows. This work shows that roving predators, in general, can induce behavior-mediated trophic cascades.
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