Long-term variation in mollusc assemblages on a coral reef, Moorea, French Polynesia

The first mollusc census on Moorea island in French Polynesia was made in 1971 on the fringing and barrier reefs of the Tiahura sector in the northwestern part of the island. At that time, there were no major recent natural perturbations; the most recent cyclone was in 1906 and human pressure was al...

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Bibliographic Details
Published in:Coral reefs 1999-09, Vol.18 (3), p.293-296
Main Authors: AUGUSTIN, D, RICHARD, G, SALVAT, B
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Marine
Mollusca
Sea water ecosystems
Synecology
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Summary:The first mollusc census on Moorea island in French Polynesia was made in 1971 on the fringing and barrier reefs of the Tiahura sector in the northwestern part of the island. At that time, there were no major recent natural perturbations; the most recent cyclone was in 1906 and human pressure was almost non-existent in this part of the island. Since then, indirect and direct human pressures have increased (Salvat et al. 1979; Aubanel 1993) and several natural disturbances have occurred, e.g. Acanthaster planci infestations, cyclones and bleaching events. The mollusc census of 1971 was replicated in 1995 using the same protocol to compare mollusc diversity between 1971 and 1995, and to relate changes, when possible, to natural disturbances and/or human pressure.
ISSN:0722-4028
1432-0975
DOI:10.1007/s003380050197