【摘要】 2007年7月对黄河三角洲柽柳林场湿地进行了土样采集,分析了土壤中Cu、Zn、Cr、Mn含量,并研究了重金属的分布特征。结果表明:除Cu外,该区域并没有明显的重金属的累积,土壤重金属含量未对环境和植物造成危害和污染;重金属的分布特征主要受控于原生地球化学条件;土壤有机质、全氮量与Cu、Zn、Cr、Mn以及各重金属之间在0.01水平上极显著相关(n=36),表明土壤中有机质与重金属元素有密切关系,各种金属具有相似的物质来源及平面分布。更多还原

【Abstract】 The soil in Yellow River Delta wetland was collected in July 2007.The content of Cu,Zn,Cr and Mn in soil was analyzed and the distribution of heavy metals was studied.The result showed that except Cu,the heavy metals were not significantly accumulated in this area and the content of heavy metals did not harm to the environment and plant.The distribution characteristics of heavy metals were mainly controlled by natural geochemical environment.The contents of soil organic matter,total nitrogen with the content of Cu,Zn,Cr,Mn and between heavy metals had significant correlation(α=0.01,n=36) which indicated the soil organic matter was closely related to the heavy metal elements and the Cu,Zn,Cr,and Mn had similar source and horizontal distribution.更多还原