Factors influencing spatial distribution of fish communities on a fringing reef at Mauritius, SW Indian Ocean

被引:32
作者
Adjeroud, M [1 ]
Letourneur, Y
Porcher, M
Salvat, B
机构
[1] Univ Perpignan, URA CNRS 1453, Ecole Prat Hautes Etud, Ctr Biol & Ecol Top & Mediterraneenne, F-66860 Perpignan, France
[2] Orstom, Noumea 98848, New Caledonia
[3] Ctr Rech Insulaires, Moorea, France
[4] Observ Environm, Moorea, France
[5] CAREX Environm, F-13100 Aix En Provence, France
关键词
coral reefs; environmental factors; Canonical Correspondence Analysis;
D O I
10.1023/A:1007494920381
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
This paper analyses the spatial patterns of fish communities on a narrow fringing reef of Mauritius and identifies some controlling factors. Canonical Correspondence Analysis revealed that the location in the reef ecosystem, the living coral coverage, and the proximity to a dredged area were the major factors controlling the distribution and abundance of fish species. Two distinct communities were observed across the fringing reef, representing a land-ocean gradient. The low diversity of fish species, and also of invertebrates such as corals, molluscs, and echinoderms is probably a consequence of the narrowness of the fringing reef and of anthropogenic impacts, notably the high pollution by nutrients.
引用
收藏
页码:169 / 182
页数:14
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