Appendix B. Solutions for PCA ordination of soil characteristics in permanent plots at Dukes RNA and Huron Mountains.

Solutions for PCA ordination of soil characteristics in permanent plots at Dukes RNA and Huron Mountains.针对杜克RNA（Dukes RNA）与休伦山（Huron Mountains）永久样地土壤特性的主成分分析（Principal Component Analysis，PCA）排序解决方案