Effects of heavy metals on oxygen consumption and ammonia excretion in Green-Lipped mussels (Perna viridis)
作者： S.G. Cheung , Richard Y.H. Cheung
DOI: 10.1016/0025-326X(95)00137-C
关键词: Environmental chemistry 、 Oxygen 、 Cadmium 、 Ammonia 、 Bivalvia 、 Mussel 、 Excretion 、 Perna viridis 、 Respiration 、 Chemistry
摘要: Physiological responses (oxygen consumption and ammonia excretion) of the green-lipped mussel (Perna viridis) exposed to four concentrations Cd (0.15, 0.32, 0.70 1.50 ppm) Zn (0.60, 1.29, 2.79 6.00 were monitored for 21 days. Changes occurred in excretion rates O:N ratios with individual mussels experiencing different metal over time. Oxygen rate decreased significantly time Cd-exposed individuals also interaction between concentration Zn-exposed individuals. Although low (<30) obtained most treatments, no predictable correlation was found metals values obtained. The value using ratio as a stress index is questioned.
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