黄土丘陵沟壑区第一副区水土流失危害及防治对策

Disasters of Soil Erosion and Its Prevention Strategy on No.1 Sub region of Gullied Rolling Loess Plateau

在对黄土丘陵沟壑区第一副区进行大量的观测、试验和调查的基础上，分析研究了其区域地理地貌、水文特性、土壤侵蚀特征以及水土流失状况。进一步阐述了水土流失造成的严重危害，提出了相应的防治对策。旨在有效地控制水土流失，为根治黄河水患，改善生态环境。

The paper analyzed and studied the regional geography, landforms, hydrological characteristics, soil erosion characteristics and the cause of soil erosion on the basis of investigation, experiment and observation on large scale in the No.1 sub region of gullied rolling loess plateau. The paper also expatiated on the severe danger caused by soil erosion and set forth respective prevention and treatment strategies. Its main purposes are to provide scientific basis on effective soil erosion control, ultimate treatment of flood disaster in Yellow River Basin, enhancement of ecological environment in the Basin and quick development of regional economy.