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Marine Ecology Progress Series

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MEPS 120:155-161 (1995)  -  doi:10.3354/meps120155

Variation among populations in the resistance of Mytilus edulis embryos to copper: adaptation to pollution?

Hoare, K., Beaumont, A. R., Davenport, J.

The effects of copper on embryo development were found to differ between populations of the mussel Mytilus edulis L. (Mollusca: Bivalvia). Concentrations of copper which caused significantly increased rates of abnormality, and thus decreased yields of normal larvae, in populations from an unpolluted site (Menai Straits, Wales, UK) and to a lesser extent in an intermediately polluted site (Oosterschelde, The Netherlands) did not affect development of embryos from a polluted-site (Westerschelde, The Netherlands) population. Crosses indicated that tolerance was mostly maternally determined, but there is also evidence of a paternal, i.e. genetic, effect. An appreciable quantity of background, non-treatment, embryo abnormality appeared to be sperm-mediated.

Embryos . Mussels . Copper . Pollution . Adaptation . The Netherlands . United Kingdom . Mytilus edulis

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