辽西森林覆盖区土壤重金属含量分析

摘要

对辽西森林土壤中的镉、铜、汞、砷、铅、铬含量进行检测，选定评价的背景值，利用指数法进行评定。结果显示：6种重金属均有污染点出现，污染程度严重性依次为镉、铅、汞、砷、铜、铬。分析造成污染的主要原因，并提出防治的措施。%Inspections are made on the contents of cadmium, copper, mercury, arsenic, lead, and chromium in the forest soil of west Liaoning. The background values are selected for the assessment. The assessment is conducted using index method. The results show that there are contaminated points for the six heavy metals ranked as cadmium, lead, mercury, arsenic, copper and chromium according to the degree of contamination. The causes fro the contaminations are analyzed and measures are put forward for prevention and treatment.