摘要
本文根据尚义县自然环境特征,气候变化及人文压力等方面进行分析研究与沙化的关系,结果表明,旱灾、风灾、人畜压力、过度开垦筹因素促使了沙化的发生与发展;较丰富水资源的开发利用,农林牧结构的优化调整,封山育林种草等天然条件与人为措施将使尚义县沙漠化过程得以稳定与逆转。
This Paper has studied the relations between desertification and naturalenvironmentalcharacteristic , climate changes , and human pressure. Results indicatedthat drought , disasterscaused by wind . human and livestock pressure, and over cultivation had caused desertification . exploiting the water resources , adjusting thestructure of agriculture , forestry , and ani-mal husbandry , protecting the forests ,planting trees and grasses will slow down the desertifi-cation ,or even alleviate desertification.
关键词
沙漠化
逆转
尚义县
自然环境特征
河北
desertification
development
natural environmental characteristic