The species richness of herb layer was fitted in the topographic and soil feature factors, as well as the topographic relative moisture index (TRMI) by the generalized linear models (GLM).

• 通过广义线性模型(generalizedlinearmodels,GLM)拟合了草本层物种丰富度与地形因子、土壤因子以及地形相对湿度指数(TRMI)之间的关系。