How does shoreline development impact the recruitment patterns of coral reef fish juveniles (Moorea Island,French Polynesia)? |
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| Authors: | David Lecchini Julien Million Yohei Nakamura René Galzin |
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| Institution: | (1) Centre IRD Noumea, Institut de Recherche pour le Developpement, UR 128 CoReUs, Anse Vata, BP A5, Noumea, 98848, New Caledonia;(2) UMS 2978 CNRS-EPHE, Centre de Recherches Insulaires et Observatoire de l’Environnement, Moorea, French Polynesia;(3) Department of Global Agricultural Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan;(4) Present address: Department of Kuroshio Science, Graduate School of Integrated Arts and Sciences, Kochi University, 200 Monobe, Nankoku, Kochi 783-8502, Japan |
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| Abstract: | The study examined the effects of coastal embankment building on fish recruitment in three habitat types (beach-rock, white
sand and muddy sand) in the near shore and fringing reef habitats of Moorea lagoon (French Polynesia). The results showed
a positive relationship between the presence of embankments and the density and species richness of juvenile fish along the
shoreline (whatever the habitat types). However, embankments deteriorated adjacent fringing reefs (decrease of live coral),
which led to a decrease of fish density on beach-rock and white sand sites, and a decrease of fish species richness on muddy
sand sites. |
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| Keywords: | Coral reef fish Habitat selection Recruitment pattern |
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