Impacts of grazing on herbage quality of the alpine and subalpine meadows within Wutai Mountain Difference of ecological dominance of meadow population on different tourism disturbance Study on the Contents of Chemical Elements in Different Plants of Natural Grassland Reserve of Wutai Mountain Vegetation and its relation with climate conditions near the timberline of Beitai,the Xiaowutai Mts., Northern China Impact of tourism activities on patterns of meadow population on south top of Wutai Mountain AN APPLICATION OF CLUSTERING ANALYSIS IN FOREST SITE CLASSIFICATION AND EVALUATION ANALYSIS ON THE FLORA OF SEED PLANTS OF WUTAI MOUNTAINS, SHANXI COBALT DISTRIBUTION IN SOILS OF WUTAI MOUNTAIN AND ITS INFLUENTIAL FACTORS A study on the flora of spermatophyte in Xiaowutai Mountains A study on the biomass of Oxytropis coerulea-Carex dispalata meadow and Bothriochloa ischaemum hassock in Wutai mountain