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《Chinese Agricultural Science Bulletin》 2012-05
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The Distribution Features and Evaluation Analysis of Heavy Metals in Keqin Lake

Wu Bin, Zang Shuying, Li Miao (Key Laboratory of Remote Sensing Monitoring of Geographic Environment, College of Heilongjiang Province/ Harbin Normal University, Harbin 150025)  
In order to analyze content and potential ecology risk of heavy metals in Keqin Lake and study water environment quality of Zhalong wetland better, which was located in Zhalong wetland. The author selected 29 well-distributed sampling points for detection of 5 kinds of heavy metals. The sequence of concentration content for heavy metals were: AsCuPbCdZn. The contamination condition was analyzed by analysis of variance (ANOVA) and potential ecological risk index. The ANOVA analytical results indicated that in Keqin Lake had been severely contaminated by As element; and similarly the potential ecological risk intensity caused by Keqin Lake water for heavy metals were: AsCdPbCu, and As was the dominant element among them. In general, potential ecology risk extent in Keqin Lake for heavy metals was much higher, which had produced potential ecology risk for Zhalong wetland eco-system.
【Fund】: 国家自然科学基金重点项目“松嫩平原LUCC对湖沼湿地生态系统的影响及调控机理研究”(41030743);; 国家自然科学基金青年项目资助“扎龙湿地”(41001243)
【CateGory Index】: X824
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