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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