Predator release of the gastropod Cyphoma gibbosum increases predation on gorgonian corals.

Predator release of the gastropod Cyphoma gibbosum increases predation on gorgonian corals. Research Abstract Details 

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Predator release of the gastropod Cyphoma gibbosum increases predation on gorgonian corals. Abstract Text:

Deron E Burkepile,Mark E Hay,Deron E Burkepile,Mark E Hay,

When large, predatory fishes and invertebrates were excluded from areas of a coral reef in the Florida Keys, USA, densities of the normally rare gastropod Cyphoma gibbosum, a principal predator of gorgonian corals, increased 19-fold. Gorgonians in predator exclosures were grazed more frequently and extensively by C. gibbosum than were gorgonians in uncaged areas. In exclosures, 14% of all gorgonians showed recent predation by C. gibbosum, with 62% of the entire colony surface being removed from these attacked individuals. In areas where predators of C. gibbosum were not excluded, only 5% of gorgonians exhibited recent damage, with only 26% of the colony surface being removed from these few damaged individuals. Thus, the increases in both frequency and extent of attack combined to produce an 8x increase in gorgonian damage following removal of large predators. These patterns suggest that predators typically suppress C. gibbosum populations, that overfishing of these predators could release C. gibbosum from top-down control, and that this release will allow increased damage to gorgonian corals.

Predator release of the gastropod Cyphoma gibbosum increases predation on gorgonian corals. Publishing Authors By Initials

DE Burkepile,ME Hay,DE Burkepile,ME Hay,

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Predator release of the gastropod Cyphoma gibbosum increases predation on gorgonian corals. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Oecologia

VOLUME: 154

Page Numbers: 167-73

Journal Abbreviation: Oecologia

ISSN: 0029-8549

DAY: 17

MONTH: 07

YEAR: 2007

Predator release of the gastropod Cyphoma gibbosum increases predation on gorgonian corals. Information

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LANGUAGE: eng

NlmUniqueID: 150372

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Grant and Affiliation Information for Predator release of the gastropod Cyphoma gibbosum increases predation on gorgonian corals.

AFFILIATION: Georgia Institute of Technology, School of Biology, 310 Ferst Drive, Atlanta, GA 30332, USA. deron.burkepile@yale.edu

Country: Germany

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MEDLINETA: Oecologia

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