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Salinity-temperature relationships in the queen scallop Chalamys opercularis

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Abstract

The effects of reduced salinities on different size-ranges of Chlamys opercularis (L.) were studied at various temperatures using 3 methods of analysis: median lethal mortality over 24 h (LD50, 24 h); surface-response analysis; time-mortality relationships. Reduced salinities ranging from 16 to 28‰ were lethal after a 24 h exposure, depending on the temperature and size of the scallop. Mortality increased at extremes of temperature, and spat appeared to have a slightly greater tolerance than larger individuals. Observations were also made on behavioural responses and byssus attachment at reduced salinities.

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Authors and Affiliations

  1. Department of Marine Biology, University of Liverpool, Port Erin, Isle of Man, UK

    J. D. Paul

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  1. J. D. Paul
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Communicated by J. Mauchline, Oban

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Paul, J.D. Salinity-temperature relationships in the queen scallop Chalamys opercularis . Mar. Biol. 56, 295–300 (1980). https://doi.org/10.1007/BF00386867

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  • DOI: https://doi.org/10.1007/BF00386867

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