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Free Content Enhancement of the Nearshore Fish Assemblage in the Canary Islands with Artificial Habitats

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Abstract:

Point count surveys (5 min, 100 m2) were conducted to gather fish assemblage data on the efficacy of using FADs and/or cinder blocks to increase fishery resources in an area along the southern coast of Gran Canaria. A comparison between the pre- and post-deployment faunal parameters indicates that 16 more species were attracted to the study area. The dependent variables (i.e., number of species, number of individuals and average length) increased after artificial habitat deployment regardless of the configuration type of FAD alone, block alone, or FAD and block together after deployment. The values for these variables were also higher for sand areas proximate to the reefs. Although the assemblage parameters were higher for nearly all variables, the increases were attributable to fishes unimportant to the commercial and recreational fisheries of the Canaries. Lack of available recruits or local perturbations may be responsible for the lack of preferred fishes being attracted to the reef.

Document Type: Research Article

Publication date: 1994-09-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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