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Coral reef fish communities in management systems with unregulated fishing and small fisheries closures compared with lightly fished reefs: Maldives vs. Kenya McClanahan, T. R. (2011). Coral reef fish communities in management systems with unregulated fishing and small fisheries closures compared with lightly fished reefs: Maldives vs. Kenya. Aquat. Conserv. 21(2): 186-198. dx.doi.org/10.1002/aqc.1172 In: Aquatic Conservation: Marine and Freshwater Ecosystems. Wiley: Chichester; New York . ISSN 1052-7613; e-ISSN 1099-0755

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Beschikbaar in	Auteur
VLIZ: Non-open access 243515 [ aanvragen ]

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Trefwoorden

Kenya Physiographic features > Island groups > Indian ocean islands > South asia > Commonwealth of nations > Least developed countries > Maldives Kenyan Exclusive Economic Zone [Marine Regions] Marien/Kust

Author keywords

biodiversity, ecosystem management, fishing, Indian Ocean, marine protected areas, pristine biomass, socio-ecological systems, resource use trade-offs

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Auteur		Top
McClanahan, T. R.

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Abstract

1. This study presents a comparison of the benthic cover and fish communities in three widely different management systems: (1) a heavily utilized subsistence fishery (yields > 5Mg km(-2) yr(-1)); (2) moderately sized and well enforced fisheries closures (similar to 9% of the nearshore area) surrounded by heavy fishing; and (3) a more lightly used management system (yields < 5Mg km(-2) yr(-1)). 2. The objective was to compare management systems of small to moderate-sized closures surrounded by heavy use in Kenya with a large-scale light-use management system in the Maldives. 3. Gross level attributes of the fish community suggest that the Maldives reefs had higher numbers of individuals (30%) and species (15%) than the Kenyan closures. 4. Maldivian reefs had higher abundance of some carnivores such as emperors (Lethrinidae), jacks (Carangidae), triggerfish (Balistidae), and trumpetfishes (Aulostomidae). Half the biomass of fish in the Maldives was, however, composed of surgeonfish (Acanthuridae), which resulted in a higher abundance of herbivores/detritivores than found in Kenyan closures. 5. Apex predator species were not a large portion of the biomass (< 10%) in any system and, if remote reefs of the Pacific are examples of undisturbed ecosystems, then neither management system has fully protected apex species. Copyright (C) 2011 John Wiley & Sons, Ltd.

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