【摘要】 耕地保护对保障粮食安全、维护社会稳定和实现经济、生态的可持续发展有着极为重大的意义.在分析呼和浩特市回民区耕地现状的基础上,选取1990、1995、2004年及2007年的遥感影像图进行对比,研究了1990~2007年回民区耕地的动态变化情况,并分析其变化驱动因素,据此提出保护耕地的对策和措施.更多还原

【Abstract】 Farmland protection is of significance in keeping national food security,maintaining the stability of society and realizing the sustainable development of economy and ecology.In this paper,based on the present situation of farmland in Huimin district of Hohhot,the dynamic change of cultivated land resources are researched by comparing the remote sensing images in the years 1990,1995,2004 and 2007.In addition,the driving factors for cultivated land change are generalized and summarized,and measures for farmland protection are proposed.更多还原