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Global assessment of the status of c...

Edwards, Clinton Brook.

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Global assessment of the status of coral reef herbivorous fishes: Evidence for fishing effects.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Global assessment of the status of coral reef herbivorous fishes: Evidence for fishing effects./
作者:	Edwards, Clinton Brook.
面頁冊數:	57 p.
附註:	Source: Masters Abstracts International, Volume: 52-03.
Contained By:	Masters Abstracts International52-03(E).
標題:	Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1546105
ISBN:	9781303439162

Global assessment of the status of coral reef herbivorous fishes: Evidence for fishing effects.
Edwards, Clinton Brook.

Global assessment of the status of coral reef herbivorous fishes: Evidence for fishing effects. - 57 p.

Source: Masters Abstracts International, Volume: 52-03.

Thesis (M.S.)--University of California, San Diego, 2013.

This item is not available from ProQuest Dissertations & Theses.

Herbivores provide important ecological services across ecosystems where they influence productivity and plant community composition. On coral reefs, herbivorous fishes consume benthic primary producers and regulate competition between fleshy algae and reef-building corals. Many of these species are also important fishery targets yet little is known about their global status. Using a worldwide synthesis of herbivorous reef fishes we show that biomass is more than twice as high at sites not accessible to fishing relative to fished sites, independent of regional effects. Further, fishing alters community structure by disproportionately reducing biomass of larger-bodied functional groups while increasing that of smaller territorial damselfishes. This fishing down the herbivore guild likely alters the effectiveness of these fishes to regulate algal abundance on reefs. Our study reveals that herbivores are systematically affected by fishing and provides insights and baselines for herbivore assemblages which can be used for developing informed management targets globally.

ISBN: 9781303439162Subjects--Topical Terms:

516476
Ecology.

Global assessment of the status of coral reef herbivorous fishes: Evidence for fishing effects.
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520 $a Herbivores provide important ecological services across ecosystems where they influence productivity and plant community composition. On coral reefs, herbivorous fishes consume benthic primary producers and regulate competition between fleshy algae and reef-building corals. Many of these species are also important fishery targets yet little is known about their global status. Using a worldwide synthesis of herbivorous reef fishes we show that biomass is more than twice as high at sites not accessible to fishing relative to fished sites, independent of regional effects. Further, fishing alters community structure by disproportionately reducing biomass of larger-bodied functional groups while increasing that of smaller territorial damselfishes. This fishing down the herbivore guild likely alters the effectiveness of these fishes to regulate algal abundance on reefs. Our study reveals that herbivores are systematically affected by fishing and provides insights and baselines for herbivore assemblages which can be used for developing informed management targets globally.
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