因子分析法研究黄淮海平原自然村自然生态社会系统评价因子

Selection of Evaluation Factors for Natural Villages by the Factory Analysis Method in the HuangHuaiHai Area.

因子分析法研究黄淮海平原自然村自然生态社会系统评价因子刘金龙（中国林业科学院林业研究所，北京１０００９１）ＳｅｌｅｃｔｉｏｎｏｆＥｖａｌｕａｔｉｏｎＦａｃｔｏｒｓｆｏｒＮａｔｕｒａｌＶｉｌａｇｅｓｂｙｔｈｅＦａｃｔｏｒｙＡｎａｌｙｓｉｓＭｅｔｈｏｄｉ...

Chinese Journal of Ecology,1998,17(3):11-15.This paper tried to use factory analysis method in study of vectory analysis and selection of evalution factors for natural village ecosystem in forestry, agricultural, living hansbandry and natural, economic and social indexes in the HuangHuaiHai area. Five vectors from high to low according to their percentage of eigenvalue over the total were as follows: Natural-economic vector, social vector, forestry vector, living hansbandry vector, and agriculture vector. The accumulation of total percentage was up to 80.0%. The main factors were also obtained according to their loading matrix in each vector.