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THE EFFECTIVENESS OF ARTIFICIAL REEFS FOR REHABILITATION AND PRODUCTION OF FISHERIES IN IRAN [2010]
Azhdari, Heshmatollah; Taghavi, A; Mortazavi, M.S, Persian Gulf and Oman sea ecological research center; Azhdari, I; et al.
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An artificial Reef is a fabricated, underwater structure, typically built for promoting marine life in areas of generally featureless bottom. Creating artificial reefs began from 2000 in southern proviences in Iran. this study has survyed about the Busher and Khozestan states. the objective is to determine the effectiveness of artificial reefs in attracting and enhancing the production different aquatics through increasing of fish assemblage and fishery. The performance of artificial reefs deployed off the coast of the Persian Gulf in 10 to 15m, was evaluated. The reefs comprised of seven artificial and one control (natural) statistical tests plan in three replicates. Three types of artificial reefs were used in this study. That two were designed reefs and one was non designed or used material. The experimental plan consisted (i) Reef ball (R), designed hemispherical shaped; (ii) Laneh Mahi (L), designed pyramid shaped; (iii) Used material (U); (iv) mixed (RL); (v) mixed (RU); (vi) mixed (LU); (vii) mixed (RLU); and (viii) control site (CS). Trap nets and under-water visual census surveys were adopted for seasonal sampling of fish aggregation. Results of statistical analysis using ANOVA and T-test of the mean Catch Per Unit Effort (CPUE) showed significant difference (p0.05) in term of computing number of fish for aggregation of fishes. The study has concluded that reef deployments have influenced favourably the fish communities and fish harvests. Therefor
e, the artificial reefs, especially the mixed RLU, are appropriate tools for future fishing enhancement in the Persian Gulf of Iran.
