乐安江水和沉积物样品的生物毒性评估  

ASSESSING THE BIOLOGICAL TOXICITY OF WATER AND SEDIMENT FROM LEAN RIVER

作　　者：马梅[1,2] 童中华[1,2] 王怀瑾[1,2] 王子健[1,2] 

机构地区：[1]环境水化学国家重点实验室 [2]中国科学院生态环境研究中心,北京100085

出　　处：《环境化学》1997年第2期167-171,共5页Environmental Chemistry

基　　金：国家自然科学基金资助

摘　　要：采用二种发光菌发光抑制、二种藻生长抑制、大型蚤急性和慢性毒性多种生物测试方法,对采集于1993年6月,1993年12月和1994年10月的乐安江河水、沉积物和沉积物间隙水进行了多指标生物毒性测试.在河流40,5O和159km处观测到较强毒性.研究结果表明:毒性排放主要来自乐安江上游德兴铀矿、洎水河,以及乐安江下游接近鄱阳湖口处沉积物中重金属的释放.Toxicity of river water, interstitial water and sediment collected from Lean river in June 1993 and October 1994 were assayed by using light emission inhibition of P. phos-phoreum sp. T3 and V. qinghaiensis sp. Q67, growth inhibition of C. valgaris and S. obliqnus, as well as acute and chronic toxicity on D. magna. The results showed that there were strong toxicity in 40, 50 and 159 km down stream of the river and that the toxicity comes mainly from discharges of Dexin copper mine , discharges of mines and smelters along Jishui river. as well as release of sediment-bound metals when approaching to Poyang lake.

关 键 词：生物毒性 乐安江 沉积物 重有色金属 

分 类 号：X132[环境科学与工程—环境科学]