天津滨海新区大港农业非点源污染及控制对策

Agricultural Non-Point Source Pollution and Countermeasures in Tianjin Dagang Area

选取天津市滨海新区大港地区为研究对象,分别从种植业、畜禽养殖和水产养殖业3方面分析非点源污染物排放量,并从源头、过程控制等方面提出大港地区农业非点源污染控制的对策建议。结果表明,2010年大港地区农业非点源主要污染物排放量为COD377.64 t、氨氮72.34 t,畜禽养殖排放的污染占农业非点源污染的一半以上。

Selecting Dagang area in Tianjin City as the study object,non-point source pollutants were analyzed from three aspects of crop farming,livestock and poultry breeding and aquaculture industry.Several suggestions for controlling agriculture non-point source pollution in Dagang area were put forward from aspects of origins,process control and so on.The results showed that agricultural non-point source emissions of major pollutants in Dagang area in 2010 are COD 377.64 t and ammonia nitrogen 72.34 t,and livestock and poultry breeding pollutants emission occupied more than half in agricultural non-point source pollution.