安徽省畜禽养殖污染现状及其防治
2015-07-13孙力周晓铁刘雪刚等
孙力 周晓铁 刘雪刚等
摘要
采用2012年畜禽养殖数据,利用各类畜禽粪便日排泄系数估算畜禽粪便量,在此基础上计算安徽省各地畜禽粪便负荷量和警报值,并对各地畜禽粪便污染现状进行了评价。结果显示,阜阳市产生的粪便及各类污染物居全省首位,合肥市畜禽粪便污染负荷量最高,合肥、宿州、蚌埠和黄山畜禽粪污超过环境预警值,属污染威胁最严重区。该研究可为安徽省畜禽养殖生产布局和环境污染治理提供决策依据。
关键词 安徽省;畜禽养殖;污染;防治
中图分类号 S181.3 文献标识码 A 文章编号 0517-6611(2015)15-375-02
Current Situation and Prevention of Livestock Industry Pollution in Anhui Province
SUN Li1, ZHOU Xiaotie1, LIU Xuegang2 et al
(1. Anhui Institution of Environment Science, Hefei, Anhui 230061; 2. Hefei University of Technology, Hefei, Anhui 230009)
Abstract The amount of animal manure was estimated by using excretion coefficient of all kinds of livestock and poultry dung. The data of livestock industry in 2012 was used. On the basis of these, livestock and poultry excrement load and alarm value were calculated. Meanwhile, the pollution current situation of animal manure was evaluated. The results showed that the manure and pollution produced in Fuyang had first place in the province. The poultry excrement load of Hefei was the highest. Hefei, Suzhou, Bengbu and Huangshan exceeded the environmental warning value, and they were the worst areas. The study could provide policymaking evidence for production distribution of livestock industry and environmental pollution treatment.
Key words Anhui Province; Livestock and poultry breeding; Pollution; Control and prevention
近年來,安徽省畜禽养殖业迅速发展。随着规模化养殖的发展,畜禽养殖业成为农村经济的主导产业之一。生猪、奶牛等主要畜禽生产集中度明显提高,区域生产格局已基本形成[1-2],但由此带来的环境污染加剧、农业污染减排压力增大等问题已严重制约畜禽养殖产业的持续发展[3]。不合理的畜禽养殖布局和污染治理模式已严重阻碍畜禽养殖业的发展和农业污染减排工作的顺利推进,畜禽养殖污染已成为制约农业源减排的重要原因之一[4-5]。因此,及时准确地了解畜禽粪便的污染分布状况,合理规划布局畜禽养殖业的发展已成为该地区亟待解决的问题。笔者通过对安徽省各地区畜禽养殖数量、养殖结构统计,调查各种畜禽粪便养分的发生量,结合各地区的耕地面积计算出畜禽粪便农田年负荷量,并提出相应的畜禽养殖业污染防治措施及管理办法,为安徽省畜禽养殖业可持续发展及科学规划提供参考。……
