污水灌溉对环境影响的经济损失研究

Economic Loss Analysis of Environmental Impacts by Wastewater Irrigation

该文根据费用效益分析的要求,在现有受体角度的分项求和法的基础上,考虑使用防护支出法和治理费用法对污水灌溉环境影响的经济损失进行评价。以石家庄市污灌区的调研为基础,对污水灌溉造成的经济损失进行了估算。结果表明:污灌带来的经济损失占当地农作物收成的57%,对人体健康影响的经济损失占总经济损失的62%。

According to the requirements of cost-benefit analysis, and based on the existing approach of addition of various expense direct from the receptor items, approachs of preventive expenditure and treatment expenditure are presented to evaluate the economic losses of environmental impacts of wastewater irrigation. Based on the investigation and research in Shijiazhuang, the losses of wastewater irrigation are estimated. The results show that the economic losses from the wastewater irrigation amount to about 57% of agricultural crops, and the losses from the pollution effects on the public health amount to about 62% of the total losses.