摘要
该文分析了山东省耕地总面积、人均耕地面积变化的历史特征及耕地数量变化的空间差异。在对人口峰值状态下的耕地需求与耕地数量变化趋势进行分析的基础上,预测2020年全省耕地资源的安全需求量为735万hm2。因此必须加强对耕地的保护,并提出了保障粮食安全的对策。
Total square of arable land, characteristics of the average arable land changing and differences of of arable land space changing in Shandong province are introduced in this paper. According to trend analysis of land demand and farmland number under the population peak, arable land resources demand for security is predicated in 7350000 hm^2. Thus, the protection of farmland should be protected and countermeasures for guarantee a safe source of food security are put forward as well.
出处
《山东国土资源》
2008年第5期47-49,共3页
Shandong Land and Resources
关键词
耕地变化
粮食安全
山东省
Farmland variation
food safety
Shandong province