长武王东沟小流域土地利用变化及驱动力研究

Land Use Change Driving Forces in Wangdonggou Watershed of Changwu County

对王东沟流域1994年和2002年的土地利用现状进行了分析,揭示了近几年来该区土地利用变化的主要类型及各种土地利用类型的空间格局变化特征。研究表明,该区土地利用方式以耕地、园地、林地为主,变化以耕地和园地为主,并且主要集中在塬面上。自然因素、比较经济效益和宏观政策是该区土地利用变化的主要驱动力。最后,从农业可持续发展角度,对试区土地利用提出了建议。

The land use status of 1994 and 2002 in Wangdonggou watershed of Changwu county is analyzed, the main land use change styles and the spatial pattern characteristics of land use changes in recent years are explored. It is concluded that cultivated land, orchard and forest land are the main land use styles, but cultivated land and orchard changed significantly in recent years and the changes concentrated on table-land. The driving forces of land use changes were also discussed. Finally some advices are given from the view point of sustainable development.