吕梁市耕地资源的动态变化及可持续利用

根据1988～2008年的《山西统计年鉴》、《山西经济年鉴》等相关资料,分析了吕梁市耕地资源的数量和质量的动态变化。结果表明,近20年来吕梁市的耕地面积除了1997年发生突变外,其余年份呈现下降趋势;与山西省相比,吕梁市人均耕地资源丰富,但是粮食单量很低,耕地质量很差。在此基础上,探讨了吕梁市耕地资源发生动态变化的原因,进而提出了对吕梁市耕地资源可持续利用的对策。

Sustainable Utilization and Variation of Cultivated Land Resources in Lvliang City

According to ‘Statistical Yearbook of Shanxi ’,‘Economic Yearbook of Shanxi ’ and other related materials from 1988 to 2008,the dynamic changes of quantity and quality of cultivated land resources of Lvliang City over the years were analyzed systematically.The results showed that in the past two decades apart from a mutation occurred in 1997,the cultivated area of Lvliang city showed a downward trend in the rest of the years.Compared with Shanxi Province,Lvliang city of Shanxi Province was rich in cultivated land resources per capita,but its grain unit yield was very low.so its quality of cultivated land was poor.On this basis,the causes of the dynamic changes of cultivated land resources in Lvliang City were discussed.Then some basic countermeasures for sustainable utilization of cultivated land resources of Lvliang city was presented.