Spatial distribution of aboveground biomass of shrubs in Tianlaochi catchment of the Qilian Mountains. The temporal and spatial distribution of soil microorganism physiological floras in alpine shrubs of the eastern Qilian mountains Estimation of biomass allocation and carbon density in alpine dwarf shrubs in Garzê Zangzu Autonomous Prefecture of Sichuan Province, China Altitude Distribution of Aboveground Biomass of Typical Shrubs in the Tianlaochi Watershed of Qilian Mountains