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《Journal of Jiangxi Normal University(Natural Sciences Edition)》 2006-05
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Analysis and Assessment of Heavy Metal Content of Aquatic in the Wetland of Poyang Lake

JIAN Min-fei,SONG Yu-bin,NI Cai-ying,YOU Hai(Key Lab of Poyang Lake Ecological Environment and Resource Development,Jiangxi Normal University,Nanchang 330022,China)  
This paper is based on the survey of the typical sampling sites included Raohe River at the intake of Poyang Lake,Wucheng Nature Reserve and Nanjishan Nature Reserve and etc..On the basis of detecting the contents of heavy metal elements included Cu,Zn,Pb and Cd in aquatic,water,soil,sediment and other different samples,it analyzed the enrichment and content in C.cathayensis,Carassius auratu,Crayfish and also the main aquatic plants.The results indicated that the contents of heavy metals in C.cathayensis and Crayfish exceeded the Healthy Standard for Human Edible.Different kinds of aquatic plants can enrich different heavy metal elements to different extent,Cu and Zn could be absorbed in or enriched by different aquatic plants for being neccessery elements in plants,but Pb and Cd could be rejected by plants because of the toxicity.The enrichment of heavy metals in aquatic plants in different sampling sites could reflect the value of backgroud,the higher value in background,the higher level of enrichment in aquatic plants,the results showed obvious correlationship.
【Fund】: 鄱阳湖生态环境与资源研究教育部重点实验室(江西师范大学)开放基金项目(PK2004008);; 江西师范大学科研计划项目(校发2005(73号))联合资助
【CateGory Index】: X502
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