Bioerosion rates by a sea urchin, Diadema setosum, in coral communities at Khang Khao island, during the southeast monsoon
1998
Nisit Ruengsawang | Saiprateep Asa | Thamasak Yeemin (Ramkhamhaeng Univ., Bangkok (Thailand). Faculty of Science. Dept. of Biology)
Construction and development of coral reefs are the results of the interaction between reef growth and reef destruction. Reef destruction can be divided into physical and biological factors. The results from previous studies of biological destruction of reefs clearly show that bioerosion by sea urchin is very important in hark-substrate bioeroders in coral reefs. In the inner Gulf of Thailand a sea urchin, Diadema setosum, is a common and conspicuous echinoid in coral communities. This study aims to assess bioerosion rates by D. setosum of coral communities at Khang Khao Island. The finding can be applied for management of living resources in coral communities. The bioerosion rate during the southeast monsoon is in the range of 0.11-1.68 kg/m. This work was supported by Biodiversity Research and Training Program, a joint program supported by The Thailand Research Fund and National Center of Genetic Engineering and Biotechnology.
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