秦皇岛市畜禽粪便农田负荷量估算及环境风险评价
发布时间:2018-07-05 14:30
本文选题:畜禽养殖 + 污染负荷 ; 参考:《家畜生态学报》2017年06期
【摘要】:利用畜禽养殖数据,估算了2013年秦皇岛市畜禽粪便产生量及污染物量,并根据耕地污染负荷量,评价了畜禽养殖的环境风险。结果表明,2013年秦皇岛市农田负荷量平均值为35.66t/hm~2,畜禽养殖环境污染风险指数为0.88,预警级别为Ⅲ,除海港区、北戴河区、昌黎县稍有影响外,其它各县(区)均已对环境构成潜在威胁。
[Abstract]:Based on the data of livestock and poultry breeding, this paper estimated the amount of feces and pollutants produced by livestock and poultry in Qinhuangdao city in 2013, and evaluated the environmental risk of livestock and poultry breeding according to the load of cultivated land pollution. The results showed that the average value of farmland load in Qinhuangdao City in 2013 was 35.66 t / hm ~ (-2), the risk index of environmental pollution in livestock and poultry breeding was 0.88, and the warning level was 鈪,
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