Changes in litter quality of subalpine forests during one freeze-thaw season Dynamics of soil nutrients and their response to seasonal freeze-thaw in the subalpine-alpine forests of western Sichuan Mass loss and element release of litter in the subalpine forest over one freeze-thaw season Characteristics of soil net nitrogen  mineralization in subalpine/alpine forests of west Sichuan, Southwest China during seasonal freeze-thaw period. Activities of soil oxidordeuctase and their response to seasonal freeze-thaw in the subalpine/alpine forests of western Sichuan Fine Root Decomposition Dynamics during Freeze-Thaw Season in the Subalpine/Alpine Forests Effects of Seasonal Freeze-Thaw Cycles on Quantity of Soil Microbes in the Subalpine Fir Forest Effects of seasonal freeze-thaw cycle on soil aggregate characters in typical phaeozem region of Northeast China.