Aquatic ecological region approach and its application in China

This paper summarizes the concept and development of aquatic ecological region,introduces the indicators,depicts method and system of aquatic ecological regionalization by taking U.S.A. and Australia as an example,and analyze the application of ecological region in the field of water quality,stream biological monitoring,lake and reservoir management,wetland management and aquatic biology conservation in detail. According to analysis of the present status of the aquatic regionalization in China,the paper proposes the frame of the aquatic ecological regionaliation in China and discusses the indicators for the ecological regionalization,and finally predicts application prospects of the aquatic ecological region in China.