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Effects of Copper on the 48-H Embryonic Development of the Bivalve Scrobicularia Plana

Published online by Cambridge University Press:  11 May 2009

J.M. Ruiz ,
G.W. Bryan ,
G.D. Wigham  and
P.E. Gibbs
J.M. Ruiz
Affiliation:
Plymouth Marine Laboratory, Citadel Hill, Plymouth, PL1 2PB.
G.W. Bryan
Affiliation:
Died on 17 September 1993; R.I.P.
G.D. Wigham
Affiliation:
Department of Biological Sciences, University of Plymouth, Plymouth, PL4 8AA.
P.E. Gibbs
Affiliation:
Plymouth Marine Laboratory, Citadel Hill, Plymouth, PL1 2PB.
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Extract

Static toxicity tests (20.5 ±1°C, 24 ±2% salinity) were run to assess the toxicity of copper to the embryonic development of Scrobicularia plana (Mollusca: Bivalvia); the end point of interest was the production of D-larvae after 48 h culture. While a nominal concentration of 10 μg Cu I1 was not found to be toxic, an EC90 (concentration preventing 90% of the experimental population from achieving the end point defined) can be set at ~20 μg Cu I1. For this end point, copper is indicated to be 16 times less toxic than the antifoulant tributyltin (TBT). Moreover, copper has probably little relation with the reported recent decline of S. plana throughout northern Europe.

Type
Short Communications
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 76 , Issue 3 , August 1996 , pp. 829 - 832
Copyright
Copyright © Marine Biological Association of the United Kingdom 1996

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