PENG Shunlei,LI Peng,WANG Zichen,et al.Calculations and Regionalization of Agricultural Non-point Source Pollution Load in He’nan Province[J].Research of Soil and Water Conservation,2018,25(01):225-230.
河南省农业面源污染负荷估算及区划
- Title:
- Calculations and Regionalization of Agricultural Non-point Source Pollution Load in He’nan Province
- Keywords:
- estimation; non-point source pollution; output coefficient; pollution load; agriculture in He’nan Province; regionalization
- 分类号:
- X522
- 摘要:
- 研究河南省农业面源污染的来源及污染负荷，对河南省农业面源污染治理具有重要意义。采取输出系数模型法，估算了2014年河南省农业面源污染物总氮和总磷负荷量。结果表明：2014年河南省农业面源污染物总氮负荷量是总磷负荷量的6.7倍，分别是3.87×105，5.73×104 t/a。三种不同污染源类型总氮负荷贡献率的大小顺序为：耕地 > 畜禽养殖 > 农村生活；总磷负荷贡献率的大小顺序为：畜禽养殖 > 耕地 > 农村生活。河南省农业面源污染程度区划可分为5个区域：南阳市和驻马店市为重度污染区，周口市、商丘市和信阳市为较重度污染区，新乡市、安阳市、洛阳市、开封市、平顶山市、郑州市、许昌市为中度污染区，濮阳市、三门峡市、鹤壁市、焦作市、漯河市为较轻污染区，济源市为轻度污染区。研究表明，河南省农业面源污染主要来源于耕地、畜禽养殖和农村生活，面源污染在可区划为5个区，区划可为河南省面源污染的分区治理提供科学依据。
- Abstract:
- Study on the sources and loads of agriculture non-point pollution can play an important role in the agriculture non-point pollution control. Output coefficient model was used to estimate the agricultural non-point source pollutants total nitrogen and total phosphorus load in He’nan Province in 2014. The results show that:in 2014, loads of agricultural non-point source pollutants of total nitrogen and total phosphorus in He’nan were 3.87×105 t/a and 5.73×104 t/a, respectively. The contribution rates of different kinds of pollution of non-point source pollutants to total nitrogen decreased in the order:the cultivated land > livestock farming > rural living; the contribution rates to total phosphorus load decreased in the order:livestock and husbandry > the cultivated land > rural living. Agricultural non-point source pollution degree zones can be divided into five types, Nanyang and Zhumadian cities are the heavily polluted areas; Zhoukou, Shangqiu and Xinyang are the more severe pollution area; Xinxiang, Anyang, Luoyang, Kaifeng, Pingdingshan Zhengzhou, Xuchang are the moderate pollution area; Puyang, Sanmenxia, Hebei, Jiaozuo, Luohe are the lighter pollution areas; Jiyuan City is lightly polluted area. This study suggested that agriculture non-point pollution sourced from farmland, livestock and poultry farming, and rural living, and non-point pollution areas could be classified into five regions, which could provide the scientific basis for the agriculture non-point pollution control.
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备注/Memo
收稿日期:2016-8-8;改回日期:2017-4-8。
基金项目:河南省科技攻关计划资助“白龟湖上游沙河流域面源污染特征与控制技术研究”（162102310247）
作者简介:彭舜磊(1974-),河南驻马店市人,副教授,主要从事森林生态学研究。E-mail:pengshunlei@163.com
通讯作者:李鹏(1981-),河南省南阳市人,讲师,主要从事植物学与生物地理学研究。E-mail:pdsxylp@163.com