Metals in Pocillopora damicornis exposed to tin smelter effluent |
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| Institution: | 1. School of Earth Sciences, University of Bristol, Queens Rd., Bristol BS8 1RJ, UK;2. School of Earth Sciences, University of Oxford, South Parks Rd., Oxford OX1 3AN, UK;3. Institute of Environmental Physics, Heidelberg University, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany;1. Department of Geology, University of Madras, Guindy Campus, Chennai 600025, India;2. Centre for GeoTechnology, Manonmaniam Sundaranar University, Tirunelveli 627012, India;3. Department of Geology, Anna University, Chennai 600025, India;4. Department of Environmental Sciences, University of Kerala, Kariavattom campus, Thiruvananthapuram 695581, India |
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| Abstract: | Metal concentrations in tissues and skeleton of the coral Pocillopora damicornis were compared from intertidal reefs adjacent to a tin smelter at Phuket, Thailand. Tissue concentrations of ten metals were significantly higher for corals collected at the tin smelter than at control reefs, 1 km distant. Elevated tissue metal concentrations were considered not to be derived from particulate material but probably from solution. Analyses of skeletal material revealed no differences in metal concentrations between study sites. The implications of elevated tissue metal concentrations are discussed in relation to reduced growth rates and low abundance of branching coral species at the reef adjacent to the tin smelter when compared to the control reefs. |
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