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Study on health assessment of Longjiang River in Hechi city
GENG Simin,LI Fapeng,WANG Jianping
(Development Research Center of the Ministry of Water Resource of P.R.China,Beijing 100038,China)
Abstract:The health assessment of river-lake is an important means to evaluate the health status and the
health problems of river-lake,and draw up protection and repair strategies of river-lake. It is of great sig⁃
nificance to maintaining the ecological health of river-lake and realizing healthy circulation of watershed eco⁃
system. The Longjiang River is one of the most important rivers in Hechi city. The research evaluated the
health status of the Longjiang River comprehensively in Hechi city in terms of hydrological and water re⁃
sources integrity,physical structure integrity,chemical integrity,biological integrity and social service func⁃
tional integrity. The results show that the health assessment score of the Longjiang River in Hechi city is
72.8,which could be reformed better. There are such problems as the natural flow process changing,artifi⁃
cial disturbance in the riverbank zone, the river heavily blocked, basin development activities increasing,
potential risks of water pollution, the biological condition of river not clear, the poor condition of benthic
environment and an existing gap between river management and protection and public demand,which need
to be addressed
Keywords:river healthy;index system;comprehensive evaluation;Longjiang River in Hechi city
(责任编辑:王学凤)
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