|
| 南京市郊区基本农田保护区土壤重金属污染调查 |
| Investigation aboutthe Heavy Metal Pollution ofSoil in Basic Farmland Conservation Area on Nanjing Suburb |
| |
| DOI： |
| 中文关键词: 基本农田保护区 土壤 重金属 调查 南京市郊区 |
| 英文关键词: Basicfarmlandconservation area Soil Heavy metal Investigation Nanjingsuburb |
| 基金项目: |
|
| 摘要点击次数: 1523 |
| 全文下载次数: 1109 |
| 中文摘要: |
| 为调查基本农田保护区土壤环境中重金属污染状况, 江苏省农业环境监测站于1999年和 2001 年分别对南京市郊区基本农田土壤环境质量进行了监测, 共计布设监测点14个, 监测项目为镉、 铅、砷、汞、铬和pH。结果表明,1999 年土壤样品的重金属检出率为97.1%, 超标率为5.7%;2001年重金属检出率为100%, 超标率为1.4% 。1999年土壤样品中超标的重金属元素是镉, 超标率为 28.6% ;2001 年超标元素是汞, 超标率为7.1% 。1999年土壤综合污染指数为1.08, 污染等级及污 |
| 英文摘要: |
| From 1999 to 2001, investigation aboutthe heavy metalpollution ofsoilin basic farmland conservation areaon Nanjingsuburb w as made. There w ere14 monitoringsites, monitoringitems were Cd, Pb, As, Hg, Crand pH. Resultsindicat edthatin1999,thedetectionrateofheavy metalwas97.1%,the nonattainmentrate was5.7%.In 2001,thedetectionrateof heavy metal was100%,the nonattainmentrate was1.4%,the nonattainmentelement was Hg, its nonattainmentrate was 7.1%.In1999,thesoil scomprehensive pollutionindicator was1.08, pollution grade waslight pollution.In 2001, hesoil scomprehensivepollutionindicator w as 0.76, pollution grade w as upto w arning grade. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|
