农业生态系统综合评价指标体系及其权重  

A study on agro-ecosystem evaluative index system and its weight

作　　者：吴佐礼 陈聿华[1] 

机构地区：[1]华中农业大学,武汉430070

出　　处：《生态农业研究》1996年第2期28-31,共4页Chinese Journal of Eco-agriculture

摘　　要：本文用主成分分析和聚类分析法将刘岭村农业生态系统聚为四个亚系统类型,在此基础上,建立了四层关系综合评价指标体系,用主成分分析和层次分析法确定了各层指标的权重向量,结果与实际相符。Liuling village agro-ecosystem was divided into four sub-systems by principal composing analysis (PCA)and cluster analysis.A four layer of comprehensive evaluative index system was developed.The weight vector of the index system were determined by PCA and administrative analysis.The results were quite close to the reality.

关 键 词：农业 生态系统 综合评价 

分 类 号：S181[农业科学—农业基础科学]