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3 长江流域资源与环境 第21卷
ANALYSIS ON INTENSITY DEGREE CHANGE OF
CULTIVATEDLAND USE AND ITS DRIVING FACTORS IN
HUBEIZHAO Jing,YANG Gang-q
iao(College of Land Management,Huazhong
Agricultural University,Wuhan 430070,China)Abstract:The change of the cultivated land use intensive degree is related to the food security
and social andeconomic sustainable development.In this paper,by using
the multivariate statistical analysis methods ofstepwise regression and path-coefficient analysis and so on,we carried out a study of the driving
mecha-nism of the change of the cultivated land use intensive deg
ree in Hubei Province from 1990to 2008.Theresults showed that:the intensity
degree change of cultivated land use increased steadily.The prices of ag-ricultural products,cultivated land quality and the fiscal policy
to support agriculture were the main factorsto influence the cultivated land use intensive degree.The above three factors were not only
the direct causeto influencing
the cultivated land use intensive degree,but also the indirect cause of other factors,whichalso had an influence on the cultivated land use intensive degree.Under the market economy
condition,thefarmers'cultivated land use behaviors had showed a marketization trend.Consequently
,we should enhancethe agricultural prices gradually,ensure the quality
of land consolidation implementation,improve thequality of cultivated land,and intensify the policy
efforts to support the agriculture,in order to improvethe famers’agriculture production enthusiasm and the cultivated land use intensive degrees,and p
romotethe farmers’income and ensure the national food security
.Key
words:cultivated land;intensity degree;driving mechanism;stepwise regression;path-coefficientanalysis5
3 第1期 赵 京,等:耕地利用集约度变化及其驱动因素分析———以湖北省为例
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