Health evaluation for the main stream of Yujiang River
Taking into consideration the locations of cascades,distribution of tributaries and administrative division,the assessment unit of Yujiang main stream in Guangxi was divided into 23 evaluation river sections;a river health evaluation index system was established consisting of 4 criterion layers of basin,water,biology and social service function as well as 14 indexes such as river longitudinal connectivity index and ecological flow satisfaction level etc.Based on full collection and utilization of existing water resources development and utilization,water environment monitoring and biological investigation results,necessary specific supplementary investigation and monitoring were conducted.From two dimensions of river sections and rivers,the scores of index layers and criterion layers were cal-culated;the scoring radar chart was drawn;the health status of various evaluation river sections of Yujiang River was analyzed;main problems existing in water shoreline management and protection were found out;targeted and operable countermeasures were put forward,so as to promote the construction of safe,living and happy rivers and lakes in Guangxi.
health evaluationhealth recordindex systemYujiang River
国家科技期刊平台
NSTL
万方数据
