Effects of simulated nitrogen deposition on the soil enzyme activities in a Pinus tabulaeformis forest at the Taiyue Mountain Plant Functional Group Classification of Herbaceous Species in Quercus wutaishanica Communities in the Taiyue Mountains, Shanxi Province of China Dynamic Analysis on Spatial Pattern of Betula platyphylla and Larix principis-rupprechtii in the Succession Process in Taiyue Mountain of Shanxi Province Plant Functional Group Classification of Herbaceous Species in Quercus wutaishanica Communities in the Taiyue Mountains, Shanxi Province of China Functional Diversity of Ulmus lamellosa Community in the Taiyue Mountain of Shanxi Ecological Gradient Analysis and Environmental Interpretation of Ulmus lamellosa Communities in the Taiyueshan Reserve, Shanxi Functional Group Classification of Woody Quercus wutaishanica Communities in Taiyue Mountain,Shanxi Province of China Interspecific relationship of rare and endangered Ulmus lamellosa community in Taiyue Moutain of Shanxi Studies on the Biomass and Productivity of Typical Shrubs in Taiyue Mountain,Shanxi Province Sap Flow Flux of Quercus liaotungensisin Summer in Deciduous Broad-leaf Forest of Taiyue Mountain in Shanxi Province