The water quality changes during rainfall in natural Picea schrenkiana var. tianschanica forest ecosystem in the Middle Tianshan mountains Altitudinal variation in functional traits of Picea schrenkiana var. tianschanica and their relationship to soil factors in Tianshan Mountains, Northwest China Distribution patterns of Picea schrenkiana var. tianschanica population in Tianshan Mountains. Geographic Variation of Cone Size of Picea schrenkiana var. tianschanica in the Tianshan Mountains of Xinjiang Stand Factors of Picea schrenkiana var. tianschanica alongthe Altitudinal Gradient in Different Longitudes Geographic variation of seed morphological traits of Picea schrenkiana var. tianschanica in Tianshan Mountains, Xinjiang of Northwest China. Photosynthetic Characteristics of Picea schrenkiana var. tianschanica of Different Age Classes in a Natural Stand in the Central Part of Tianshan Mountains Large Scale Permanent Plot Developed and Its Three-Dimension Realized in Tianshan Forest Spatial Pattern Heterogeneity of Picea schrenkiana var. tianschanica Natural Forest in the Tianshan Mountains, Northwest China Productivity Pattern of Picea Schrenkiana Var. Tianschanica Forest