| Effect of Industrial Effluents on Embryos of Lefteye Flounder (Paralichthys olivaceus) |
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| 作者姓名： | 曲克明 陈民山 马绍赛 辛福言 |
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| 作者单位： | Yellow Sea Fisheries Research Institute，Qingdao 266071，Shandong，China，Yellow Sea Fisheries Research Institute，Qingdao 266071，Shandong，China，Yellow Sea Fisheries Research Institute，Qingdao 266071，Shandong，China，Yellow Sea Fisheries Research Institute，Qingdao 266071，Shandong，China |
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| 摘 要： | Industrial effluents are one of the main pollutants leading to marine pollution, especially in the littorals with highly dense population and developed industries1]. Dyeing, electroplating and pesticide effluents are all common industrial effluents, liable to enter inshore sea area. Generally, the supervision of effluents could be carried out through chemical analysis. The determined results, however, cannot directly reflect the effects of effluents on aquatic organisms. In this respect, bioa…
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Effect of Industrial Effluents on Embryos of Lefteye Flounder (Paralichthys olivaceus) |
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| Qu Keming,Chen Minshan,MA Shaosai,Xin Fuyan.Effect of Industrial Effluents on Embryos of Lefteye Flounder (Paralichthys olivaceus)[J].Marina Science Bulletin,2003,5(2). |
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| Authors: | Qu Keming Chen Minshan MA Shaosai Xin Fuyan |
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| Abstract: | The studies have been carried out in laboratory on the effect of dyeing,electroplating, pesticide effluents and their intermixture on embryos of lefteye flounder ( Paralichthys olivaceus ). The main toxic substances in dying effluent are aniline ( 20 mg/L ) and phenol ( 24 mg/L ). The main toxic substances in electroplating effluent are Zn ( 1 970 mg/L ), Cu ( 9 mg/L ) and Pb ( 7.5 mg/L ). The main toxic substances in pesticide effluent are monocrotophos and phosphite. The test results indicate that the lowest concentrations of dyeing, electroplating, pesticide effluents and their intermixture, having significant effect on the hatch rate and development of P. olivaceus embryos, are 0.5 %,0.15 %, 0.25 % and 0.25 %, respectively; and the incipient LC50 of dyeing, electroplating,pesticide effluents and their intermixture are 3.38 % ( 2.29 % ～ 3.87 %), 0.81% ( 0.71%～ 0.92 % ), 1.57 % ( 1.37 % ～ 1.82 % ) and 1.48 % ( 1.24 % ～ 1.76 %). Based on the incipient LC50values, the toxicity sequence of the three industrial effluents is in the order of electroplating effluent ＞ pesticide effluent ＞ dyeing effluent. |
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| Keywords: | industrial effluent lefteye flounder embryos toxicity effect |
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