Monitoring and Dynamic Analysis of Desertification and Sanded Land of Shaanxi Province
Northern Shaanxi is located in the southern margin of Maowusu sandy land,it is the main distribution area of desertification in Shaanxi Province.Land desertification seriously affects the production,living and development of the local people's becomes one of the main bottlenecks for the sustainable economic and social development.In order to accurately understand the current situations of desertification and dynamic changes,mornitoring and surveying on desertification were carried out four times (1994,1999,2004,2009) in Shaanxi Province.Based on the investigation of the data obtained,it was found that from 1994 to 2009,the total area of desertification reduced 34 974.9 hm2,0.16 ％ annually.From 1999 to 2009,the area of desertification decreased 166 337.9 hm2,0.53％ annually.The main reason for the decrease of desertification in the past 15 years was the implementation of ecological construction in the development of forestry in the province.
国家科技期刊平台
NSTL
万方数据
维普
