[Evaluation of China' s regional sustainable utilization of water resources and its type classification].
Based on the idea of sustainable development, this paper analyzes the characteristics of sustainable utilization of water resources and builds the sustainable utilization evaluation system of water resources in the aspect of the status of water resources, the efficiency of water resources utilization, the stress of water resources sustainable utilization and the capacity of water resources sustainable utilization. According to this evaluation system, the sustainable utilization of water resources in China's 31 provincial regions is evaluated and is classified as 5 types correspondingly, namely high, relative high, medium, relative low and low types. The situation of water sustainable development presents the general decrease trend from the northeast coastal area to northwest inland. Compared with water resources endowment, the low water utilization efficiency is becoming another restrict to water sustainable utilization. There is obvious inverse correlation between water resources endowment and its utilization efficiency.
Liu
Yi
Y
Institute of Geographical Sciences and Natural Resources Research, CAS, Beijing 100101, China. liuy@igsnrr.ac.cn
Jia
Ruo-xiang
RX
Hou
Xia-li
XL
D002681:China; D003247:Conservation of Natural Resources; D004463:Ecology; D005069:Evaluation Studies as Topic; D005843:Geography; D014881:Water Supply