Trophic Downgrading of Planet Earth

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Science  15 Jul 2011:
Vol. 333, Issue 6040, pp. 301-306
DOI: 10.1126/science.1205106

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  • Beyond the Body Count: Fear of Predators Can Affect Ecosystem Function

    J. A. Estes et al. chronicle the alarming consequences of apex predator losses through trophic cascades across systems ("Trophic downgrading of Planet Earth," Review, 15 July 2011, p. 301). Two features of the case studies are that (i) indirect predator effects are driven by the numerical consequences of consumption (predators eating prey, prey eating resources), and (ii) that these indirect effects on the abundance an...

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    Competing Interests: None declared.

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