近50a来接坝山地气候变化和人为活动对土地沙化的影响  

Impaction of Climate Change and Human Activities to Land Desertification in Jieba Mountain Over Last 50 Years

作　　者：田佳[1] 郭宏忠[1] 邹受益[2] 金成洙[1] 赵廷宁[1] 

机构地区：[1]北京林业大学 水土保持学院,北京100083 [2]内蒙古农业大学,内蒙古呼和浩特010019

出　　处：《水土保持通报》2007年第5期28-31,共4页Bulletin of Soil and Water Conservation

基　　金：科技部首都圈防沙治沙应急技术示范与研究"燕山丘陵山地(河北丰宁)防沙治沙技术示范区项目"(FS2000-004)

摘　　要：以河北省丰宁满族自治县小坝子乡为例,通过对研究区近50 a气象资料和社会经济发展数据的统计、分析,总结出气温、降水、蒸发、风等主要气候因子的变化情况、周期和趋势,以及人为经济活动干扰的强度、程度与发展态势;结合小坝子乡近30a的土地沙化情况,综合分析研究了气候变化和人为活动对接坝山地土地沙化的影响,以及三者之间的相互作用与内在联系。By taking Xiaobazi town in Fengning Man Nationality Autonomous County of Hebei Province as a case study area, data of weather and socio-economic development in the past 50 years were collected and analyzed. The results such as the change, period and leading trend of temperature, rainfall, evaporation and wind were presented. Meanwhile, intensity, situation and trend of human disturbance were recognized. The inner relations and impactions among climate change, human disturbance, and land desertification were analyzed and discussed in association with the process of land desertification in the past 30 years.

关 键 词：气候变化 人为干扰 土地沙化 小坝子乡 

分 类 号：S288[农业科学—农业水土工程]