荒溪生态系统是流域研究和管理的基本单元。
Torrent ecosystem is a basic unit for watershed management and watershed research.
本文综述了国内外荒溪治理的研究进展及信息技术在荒溪治理中的应用，提出当前荒溪治理中亟待解决的问题。
The research achievements and application of information technology in torrent control were summarized; furthermore the problems urgent to solve were presented.
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