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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

Article first published online: 3 JUN 2013 | DOI: 10.1111/1365-2656.12097

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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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