喜马拉雅地区流域和洪水易发地区土地资源管理：土地退化，洪水，径流，泥沙的产量，水土保持。
Land Resource Management In River Valley and Flood Prone Areas of Himalayan Region: Land Degradation, Floods, Runoff, Sediment Yields, Soil and Water Conservation.
水资源的开发利用、水土保持以及土地利用等人类活动使得西北地区水文干旱进一步加剧。
Human activities, including the utilization of water resources, the water and soil conservation, and land use, all contribute to the hydrologic drought of northwest China.
由于环境破坏所造成的水污染、水土流失、土地沙漠化，使得世界上许多国家和地区都面临着水资源危机。
At the same time, the damages of the environment such as water pollution, losses of water and soil, and desertification of land make many countries and regions to face water crisis.
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