基于灰色关联的浙江省耕地变化分析

Analysis on Cultivated Land Change Based on Grey Relational Analysis(GRA) in Zhejiang Province

分析了1998～2007年浙江省耕地资源的变化趋势,运用灰色关联分析理论,对10年间浙江省耕地资源变化与社会经济进行定量分析。结果表明,耕地资源变化与社会经济指标的关联度排序为:总人口>粮食单产>城市人均住房面积>农村人均住房面积>固定资产投资>第一产业比重>城市化水平>第三产业比重>第二产业比重。

The variation trend of cultivated land resources in Zhejiang Province during 1998-2007 was analyzed,using Grey Relational Analysis theory,changes of cultivated land resources and social economy in Zhejiang Province over 10 years were analyzed quantitatively.The results showed that the association degree sequence between changes of cultivated land resources and social economy were：total populationgrain yield per unit area per capita urban housing area per capita rural housing areainvestment in fixed assetsthe investment in primary industrythe urbanization levelservices proportion industrial proportion.