工业污水对多刺裸腹溞心率、体长和抗氧化酶系的影响

生态学杂志

工业污水对多刺裸腹溞心率、体长和抗氧化酶系的影响

王茜;张辰佳;刘占峰;王兰

山西大学生命科学与技术学院，太原 030006

收稿日期:2008-06-02 修回日期:1900-01-01 出版日期:2009-02-10 发布日期:2009-02-10

Effects of industrial wastewater on heart rate, body length and antioxidases of Moina macrocopa.

WANG Qian;ZHANG Chen-jia;LIU Zhan-feng;WANG Lan

College of Life Science and Technology, Shanxi University, Taiyuan 030006, China

Received:2008-06-02 Revised:1900-01-01 Online:2009-02-10 Published:2009-02-10

摘要/Abstract

摘要： 通过工业污水的急性毒性试验，统计多刺裸腹溞（Moina macrocopa）的死亡个数，用概率单位法得出污水对多刺裸腹溞24 h、48 h的半致死剂量（LC₅₀）分别为17.68%和14.56%，污水属于极毒性。通过半致死剂量设定对照组和5个浓度组（1%、2%、4%、8%、16%），测定污水对多刺裸腹溞的心率、体长、超氧化物歧化酶（SOD）、过氧化氢酶（CAT）和谷胱甘肽-S-转移酶（GST）的影响。结果表明：随污水浓度的增加和时间的延长心率和体长均先升高后降低，SOD、CAT和GST 3种酶活性总体呈现“低促高抑”的变化趋势，当污水浓度为1%时，SOD活性的变化大于CAT和GST，故SOD酶是机体抵制外界不良环境中重要的酶，为水质监测提供更为敏感的生物指标。

关键词: 渔业资源, 可持续利用, 灰关联度, 舟山渔场, 指标体系

Abstract: An acute toxicity test was conducted to assess the toxicity of an industrial wastewater to Moina macrocopa. The 24 h and 48 h semi-lethal (LC50) for M. macrocopa were 1768% and 1456%, respectively, indicating that the industrial wastewater was very toxic. Based on the LC50, six concentrations (0, 1%, 2%, 4%, 8% and 16%) of the industrial wastewater were installed to study their effects on the heart rate, body length, and activities of superoxide dismutase (SOD), catalase (CAT) and glutathione S-transferase (GST) of M. macrocopa. The results showed that with increasing concentration of wastewater and with increasing time, the heart rate and body length of M. macrocopa increased first and decreased then; while the activities of GST, CAT and SOD had a trend of increasing at low concentration wastewater but decreasing at high concentration wastewater. When exposed to the wastewater, SOD activity had a larger variation than GST and CAT activities, suggesting that SOD could be an important enzyme for organisms to resist bad environment, and a sensitive bio-indicator for wastewater monitoring.

Key words: Fisheries resources, Sustainable use, Grey relative relationship, Zhoushan fishing ground, Indicator system

王茜;张辰佳;刘占峰;王兰. 工业污水对多刺裸腹溞心率、体长和抗氧化酶系的影响[J]. 生态学杂志.

WANG Qian;ZHANG Chen-jia;LIU Zhan-feng;WANG Lan. Effects of industrial wastewater on heart rate, body length and antioxidases of Moina macrocopa. [J]. cje.

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