Abstract:

In the use of SPSS 17.0 Mathematics and Statistics software, we have received various principal components which can reflect forest healthy of Jiufeng National Forest Park through the principal component analysis. Based on these, we may calculate synthesized score of different forest plot according to the contributed rate of each principal component. And healthy status of different forest plot is ranked in accordance with the level of scores. The article may give some useful measures for forest health and describes that the principal component analysis is feasible and practical in the forest health evaluation.