伊金霍洛旗土地利用变化与可持续利用

Land Use Change and Sustainable Utilization in Ejin Horo Banner

近20年来，毛乌素沙地东北缘伊金霍洛旗的土地利用结构发生了明显的变化，即林地和草地面积的比例增加，耕地面积有所减少；相应地，沙漠化土地面积大幅度减少，土地利用走向可持续发展状态。这种变化的驱动力主要是随着工业与经济的发展，农业投入不断增加，单位面积耕地产量增加。沙漠化防治措施在其中也起到了推动作用。但是，该区的潜在沙漠化因素依然存在。

Abstract: In recent twenty years, land use structure has changed a lot and desertification has been con-trolled somewhat in Ejin Horo Banner, Inner Mongolia. Woods, shrubs and grass coverage has increased.Although the farmland decreased, the total grain yield increased. Land use is going to sustainability.However, desertification threat is still existing. People must take suitable land use structure and landmanagement for sustainable development.