The effects of copper on the heart rate and filtration rate of Mytilus edulis |
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| Institution: | 1. Instituto Argentino de Oceanografía (IADO – CONICET-CCT Bahía Blanca), Camino La Carrindanga Km7, Edificio E1, C.C. 804, 8000 Bahía Blanca, Argentina;2. Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur, San Juan 670, 8000 Bahía Blanca, Argentina;3. Universidad Tecnológica Nacional – FRBB, 11 de Abril 445, 8000 Bahía Blanca, Argentina;4. Universidad FASTA, Gascón 3151, 7600 Mar del Plata, Argentina |
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| Abstract: | Exposure of Mytilus edulis to dissolved copper led to a decrease in heart rate and filtration rate. After 4 days exposure to copper, the concentration of copper causing a 50% reduction in heart rate (EC50) was 0.17 ppm. After 5 days exposure to copper, the EC50 for filtration rate was only 0.002 ppm copper. Reductions in heart rate and filtration rate are not caused by valve or siphon closure. |
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