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You-Xian Yuan Cheng-Nian Gao Du-Xi Zhang Xiang-Ping Guo 《Journal of the World Aquaculture Society》1992,23(3):205-210
The effect of removing heavy metal ions (copper, zinc, lead, and cadmium) with a polymeric heavy metal absorbent (PHMA) on metamorphosis of Penueus chinensis Osbeck was investigated. There was a significant ( P < 0.05) reduction in metamorphosis of protozoea to mysis at concentrations more than 31.0 μg/L copper, 38.3 μg/L zinc, 32.5 μg/L lead, and 30.3 μg/L cadmium, in the absence of PHMA. At concentrations more than 61.0 μg /L copper, 68.3 μg/L zinc, 62.5 μg/L lead, and 60.3 μg/L cadmium there was a significant ( P < 0.01) interaction between the absence and the presence of PHMA for metamorphosis of mysis to postlarvae. At concentrations of 12.3 μg/L copper, 45.8 μg/L zinc, 106.2 μg/L lead, and 200.2 μg/L cadmium, the metamorphosis of protozoea to mysis was blocked, but it was 51.4% in the presence of PHMA. At concentrations of 252.3 μg/L copper, 335.8 μ/L zinc, 806.2 μg/L lead and 300.2 μg/L cadmium, the metamorphosis of mysis to postlarvae was stopped, but it was 51.0% in the presence of PHMA. The toxicity of copper, zinc, lead, and cadmium to P. chinensis was reduced with PHMA. 相似文献
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