农村河道综合整治生态环境效益评估体系研究

摘要

近年来,随着经济社会的快速发展和社会主义新农村建设的推进,农村河道治理日益成为水利工作的重点内容之一.开展农村河道整治生态环境效益评估,及时发现治理过程中以及实施后存在的问题,对于指导下一步集中连片农村河道综合整治具有重要意义.根据农村河道的功能和特点,结合《全国中小河流治理重点县综合整治和水系连通试点规划》项目目标及治理措施,构建了状态-响应-效益(SRB)评估体系;从河道连通性、水质状况、河岸带状况、水生生物、河道景观以及管理状况6个方面筛选确定18个评估指标,构建了多指标、多层次的生态环境效益评估模型,并确定了评估标准、指标权重和评估分级.该评估体系可为深入研究农村河道综合整治生态环境效益评估方法以及实践应用提供重要参考.%Following the rapid socioeconomic development and advancement of new socialist countryside construction in recent years,rural river regulation has become an increasingly crucial part of water conservancy work.Evaluating the ecological benefits of rural river regulation and identifying problems arising during regulation and after implementation have great significance for future guidance on the comprehensive,centralized regulation of rural rivers.A Status-Response-Benefit (SRB) system is established in accordance with the functions and features of rural rivers based on the project objectives and regulation measures in Pilot Planning for Comprehensive Regulation and Interconnection of Medium and Small-sized Rivers in Key Counties of China.18 evaluation indicators have been selected for six features,including river connectivity,water quality,riparian zone condition,hydrobiology,river landscape,and management,building a multi-dimensional,multi-level ecological benefit evaluation model,setting evaluation standards,indicator weights and evaluation grades.This system can provide an important reference for the further development of methods to evaluate ecological benefits in comprehensively regulated rural rivers,as well as the practical application of these methods.