Mortality and Settlement Success of Pocillopora damicornis Planula Larvae during Recovery from Low Levels of Nickel

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1991-07

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University of Hawai'i Press

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Abstract

Effects on mortality and settlement of Pocillopora damicornis planula larvae during recovery from low levels of Ni++ were investigated. Results indicated that a nickel concentration of 9 ppm over 12 hr was sufficient to cause 50% mortality in larvae 39.6 hr after removal of the toxicant. Settlement in larvae was more sensitive, showing significantly reduced settlement rates from 9 days into recovery, after exposure to I ppm Ni++ at durations of 12-96 hr. It is recommended that coral planula larvae be utilized more extensively in pollution studies.

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Goh BPL. 1991. Mortality and settlement success of Pocillopora damicornis planula larvae during recovery from low levels of nickel. Pac Sci 45(3): 276-286.

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