【摘要】 耕地是最重要的农业生产资料。随着城市化和工业化进程加速,耕地的供给与需求之间的矛盾越来越尖锐,因此耕地资源动态变化研究对于经济的可持续发展具有重要意义。本文分析了山东省耕地资源在1987~2008年间的变化趋势,定量分析了建设用地、生态退耕、农业结构调整三因素对耕地资源数量变化的影响,并提出了保持耕地总量动态平衡的对策。更多还原

【Abstract】 Cultivated land is the most important means of agricultural production.With the acceleration of the processes of urbanization and industrialization,the contradiction between supply and demand of the cultivated land is becoming more and more serious.So the study on the quantity change of the cultivated land is very important to the sustainable development.In this paper,the dynamic trends of the cultivated land from 1987 to 2007 in Shandong Province were analyzed.The influences of construction land,ecological restoration and agricultural structure adjustment on the quantity change of cultivated land were quantificationally analyzed.Then the countermeasures to keep the dynamic balance of total quantity cultivated land were provided.更多还原