Journal Article

Experimental results of an artificial reef programme on the Brazilian coast north of Rio de Janeiro

Ilana R. Zalmon, Ronaldo Novelli, Marcelo P. Gomes and Vicente V. Faria

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 59, issue suppl, pages S83-S87
Published in print January 2002 | ISSN: 1054-3139
Published online January 2002 | e-ISSN: 1095-9289 | DOI: http://dx.doi.org/10.1006/jmsc.2002.1273
Experimental results of an artificial reef programme on the Brazilian coast north of Rio de Janeiro

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An experimental evaluation of artificial reefs was carried out on the coast north of Rio de Janeiro, a low-relief bottom area. The reef complex (1500 m2) consisted of two sets (concrete and tire), each comprising 16 modules. Trammel nets were used in monthly samplings of the reef site and a control area. During 2 years of monitoring, 51 fish species were recorded in both areas, of which 24% and 11%, respectively, were found exclusively at the reef and in the control area. The most abundant families were Carcharhinidae, Carangidae, and Triakidae. Based on c.p.u.e. in numbers and weights, density and biomass appear to be higher at the reef site than in the control area. At the reef, species richness and diversity were generally higher during the second year, which may reflect the degree of fouling. Visual observations revealed higher fish diversity on concrete experimental structures than on tire modules. The effectiveness of the reef in creating a complex habitat for the fish community is shown by the dominance of the shark (Rhizoprionodon lalandei), a predator of small teleosts commonly found on the reef structures. Copyright 2002 International Council for the Exploration of the Sea. Published by Elsevier Science Ltd. All rights reserved.

Keywords: artificial reef; coastal resources; fish assemblages; Rio de Janeiro.

Journal Article.  0 words. 

Subjects: Environmental Science ; Marine and Estuarine Biology

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