S8DW18 Effects of artisinal fishing on Caribbean coral reefs
Southeast Fisheries Science Center
Document
(DOC)
| ID: 59966
| Published / External
Created: 2020-06-08
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Last Modified: 2023-08-15
Project (PRJ) | ID: 59948
ID: 59966
Document (DOC)
* Discovery• First Pass
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Item Identification
* » Title | S8DW18 Effects of artisinal fishing on Caribbean coral reefs |
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* Status | Completed |
Creation Date | 2002-07-25 |
Revision Date | 2020-06-11 |
• Publication Date | 2004-01-30 |
* » Abstract |
Although the impacts of industrial fishing are widely recognized, marine ecosystems are generally considered less threatened by artisanal fisheries. To determine how coral reef fish assemblages and benthic communities are affected by artisanal fishing, we studied six Caribbean islands on which fishing pressure ranged from virtually none in Bonaire, increasing through Saba, Puerto Rico, St Lucia, and Dominica, and reaching very high intensities in Jamaica. Using stationaryâpoint fish counts at 5 m and 15 m depth, we counted and estimated the lengths of all noncryptic, diurnal fish species within replicate 10âmâdiameter areas. We estimated percent cover of coral and algae and determined reef structural complexity. From fish numbers and lengths we calculated mean fish biomass per count for the five most commercially important families. Groupers (Serranidae), snappers (Lutjanidae), parrotfish (Scaridae), and surgeonfish (Acanthuridae) showed orderâofâmagnitude differences in biomass among islands. Biomass fell as fishing pressure increased. Only grunts (Haemulidae) did not follow this pattern. Within families, largerâbodied species decreased as fishing intensified. Coral cover and structural complexity were highest on littleâfished islands and lowest on those most fished. By contrast, algal cover was an order of magnitude higher in Jamaica than in Bonaire. These results suggest that following the Caribbeanâwide mass mortality of herbivorous sea urchins in 1983â1984 and consequent declines in grazing pressure on reefs, herbivorous fishes have not controlled algae overgrowing corals in heavily fished areas but have restricted growth in lightly fished areas. In summary, differences among islands in the structure of fish and benthic assemblages suggest that intensive artisanal fishing has transformed Caribbean reefs. |
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HAWKINS, J.P. and ROBERTS, C.M. (2004), Effects of Artisanal Fishing on Caribbean Coral Reefs. Conservation Biology, 18: 215-226. doi:10.1111/j.1523-1739.2004.00328.x |
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DOI (Digital Object Identifier) | 10.1111/j.1523-1739.2004.00328.x |
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SEDAR | Spiny Lobster |
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None | Caribbean |
None | Puerto Rico |
None | Virgin Islands |
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Format | Acrobat Portable Document Format |
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Status Code | Final |
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* » Date Effective From | 2005 |
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Organization | SEDAR |
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4055 Faber Place North Charleston, SC 29405 United States |
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Phone | (843) 571-4366 |
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URL | http://sedarweb.org |
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Start Date | 2004 |
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End Date | Present |
» Download URL | https://sedarweb.org/docs/wpapers/S8DW_18.pdf |
Distributor | SEDAR (2005 - Present) |
File Name | S8DW_18.pdf |
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Catalog Details
Catalog Item ID | 59966 |
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Metadata Record Created By | Lee M Weinberger |
Metadata Record Created | 2020-06-08 06:30+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2023-08-15 17:09+0000 |
Metadata Record Published | 2020-06-18 |
Owner Org | SEFSC |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2020-06-18 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2021-06-18 |
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