Numerical classification of associations in subtropical evergreen broad-leaved forest based on multivariate regression trees―a case study of 24 hm2 Gutianshan forest plot in China Study on the Adaptation of Certain Species to Light Condition Under the Deciduous Broad-leaved Forests in Southern Germany?aTaking the Forest Communities in Kra ichtal, Germany as an Example Applications of species indicator for analyzing plant community types and their biodiversity at Kunyushan National Forest Reserve