The primary representations of the vulnerabilities of water resource in Hengyang basin where is a typical hilly region with red and purple soils in south China are analyzed： the precipitation resource varies greatly in spatial and temporal distribution; the soils and rock property are not in favor of water and soil conserving; the structure of crops needs a high water consumption; and the farm irrigation works are timeworn and frangible. Some management countermeasures are proposed： constructing new water conservancy projects and improving ol...
