吉林省辽河流域农业面源污染特征及趋势研究  

Studies on Characters and Trends of Agricultural Non-Point Source Pollution in Liaohe Basin of Jilin Province

作　　者：王媛[1] 马继力[1] 吕川[1] 朱显梅[1] 刘特[2] 

机构地区：[1]吉林省环境科学研究院,长春130021 [2]东北师范大学,长春130024

出　　处：《吉林农业科学》2012年第3期61-64,共4页Journal of　Jilin Agricultural Sciences

基　　金：国家科技重大专项(2009ZX07208-006)

摘　　要：吉林省辽河流域农业面源污染现已十分严重,通过对其近十年的统计数据进行研究,结果表明:流域内农业面源污染中,COD(化学需氧量)主要来源于畜禽养殖和农村生活污染;TN(总氮)和TP(总磷)主要来源于畜禽养殖和农田化肥;近十年中COD流失量由34 093.2 t/a增至53 414.3 t/a,增长56.7%;TN流失量由30 095.2 t/a增至40 738.7t/a,增长35.4%;TP流失量由2 504.3t/a增至4 606.0t/a,增长83.9%。Agricultural non-point source pollution in Liaohe basin of Jilin Province has been very serious according to the statistical data of nearly ten years. The results showed that among agricultural non-point source pollution in the basin, COD mainly comes from raising livestock and rural life pollution, TN and TP mainly comes from raising livestock and farmland fertilizer. In recent 10 years, COD loss increased from 34093.2 t/a up to 53414.3 t/a, which increased by 56.7%. TN loss increased from 30095.2 t/a up to 40738.7 t/a, which increased by 35.4%. TP loss increased from 2504.3 t/a up to 4606.0 t/a, which increased by 83.9%.

关 键 词：辽河流域 农业面源污染 趋势分析 

分 类 号：X53[环境科学与工程—环境工程]