摘要
依据重庆直辖10年(1997—2006年)来农业发展的状况,选用反映农业发展水平的12个指标,应用主成分分析法分析农业发展的动态变化,得出重庆直辖10年来,农业发展水平呈曲折动态变化趋势,2006年农业发展水平明显下降。重庆农业发展受耕地面积减少和自然灾害影响显著。
On the basis of the situation of agricultural development after 10 years Chongqing designated as municipality, choosing 12 indicators of response to the level of agricultural development, principal component analysis of dynamic changes was applied in agricultural development. It was learned that the level of agricultural development was the dynamic change trend of twists and turns, declined markedly in 2006. Chongqing ' s agricultural development was affected significantly by reducing the area of arable land and natural disasters.
出处
《安徽农业科学》
CAS
北大核心
2009年第19期9199-9201,共3页
Journal of Anhui Agricultural Sciences
基金
国家社科基金(06XJY017)
贵州省自然科学基金(黔科基字2006(096号))
贵州省省长基金子课题((黔省专合字(2006)72-1号)
贵州省教育厅青年基金(黔教2008060)
重庆市教委科研项目(KJ050808)
关键词
重庆
农业发展
主成分分析法
Chongqing
Agricultural development
Principal component analysis