Predation Of Herbivores On Reefs And Its Effect On The Coral Habitat.

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Abstract/Contents

Abstract: Investigations into herbivore behavior are essential for effective assessment of reef dynamics and subsequent fisheries management. Herbivorous grazing does not directly dictate the composition of a reef but it gives insight into the reef’s history. Bite-rates varying primarily because of foraging efficiency. Thus, high algal and high coral environments both yield low bite-rates. In high algal environments, receive more nutrition per bite than at other sites and so bite less. In high coral environments, algae is less plentiful and thus fish dedicate less time to feeding, leading less energy-demanding lifestyles. Bite-rate does not depend on fish size and thus differences in bite-rate are not due to preferential recruitment of fish to certain size classes at each reef. Lastly, the, ‘inverse trophic pyramid,’ used to describe isolated environments with a high proportion of predator biomass is not a result of increased predator abundance but a decrease in the abundance of obligate herbivores.

Type of resource	text
Date created	June 13, 2015

Author	Ratteray, Andres

Subject	coral reef ecology
Subject	Stanford@SEA
Subject	S-259
Subject	Hopkins Marine Station
Subject	Department of Biology
Subject	Department of Earth System Science
Subject	BIOHOPK 182H
Subject	BIOHOPK 323H
Subject	EARTHSYS 323
Subject	ESS 323
Subject	Tuamotu
Subject	Rangiroa
Subject	Line Islands
Genre	Article

Location	https://purl.stanford.edu/bz568gv0212

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License: This work is licensed under a Creative Commons Attribution 3.0 Unported license (CC BY).

Preferred Citation: Ratteray, Andeas. 2015. Predation Of Herbivores On Reefs And Its Effect On The Coral Habitat. Unpublished student research paper, S-259, Stanford@SEA, Stanford Digital Repository. https://purl.stanford.edu/bz568gv0212

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