期刊
JOURNAL OF ENVIRONMENTAL BIOLOGY
卷 40, 期 1, 页码 3-8出版社
TRIVENI ENTERPRISES
DOI: 10.22438/jeb/40/1/MRN-788
关键词
Bandon Bay; Crassostrea belched; Crassostrea lugubris; oyster; Saccostrea forskalii; Water quality
资金
- Higher Education Research Promotion, Office of the Higher Education Commission, National Research Universities, Thailand Research Fund through the Royal Golden Jubilee Ph.D. Program [PHD/0307/2550]
- Center of Excellence for Ecoinformatics, Institute of Research and Innovation, Walailak University
- School of Biology, Institute of Science, Suranaree University of Technology, Thailand
- NECTEC
Aim : Studies on oyster population dynamic is essential for effective oyster aquaculture.Bandon Bay in Southern Thailand is a major shellfish aquaculture site of high commercial value. The aim of this study was to evaluate the influence of environmental factors on oyster diversity and their distribution in Bandon Bay. Methodology : Adult oysters were collected from eight aquaculture sites during low tide and their body sizes were measured. Monthly, transparency, salinity, pH, dissolved oxygen, biochemical oxygen demand, alkalinity, ammonium (NH4-N),nitrite, nitrate and phosphate were recorded from Surat Thani Coastal Fisheries Research and Development Centre, Department of Fisheries. Results : Three oyster species were observed: Crassostrea belcheri, Crassostrea lugubris and Saccostrea forskalii, however, C. belched was most abundant at most locations. Oyster density in Bandon Bay was mostly influenced by alkalinity, followed by salinity, pH, NO,and NH4-N. Interpretation : Since oyster reproduction, survival and shell development depend on environmental factors, thus studies on relationships between environmental factors and oyster occurrence/density may provide a better understanding about the community structures and spatial dynamics of oysters, as well as how oysters respond to environmental changes.
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