Dynamics of litters in artificial restoration process of subalpine coniferous forest Dynamics of species diversity in artificial restoration process of subalpine coniferous forest Dynamics of biomass and stem volume of Picea asperata stands in artificial restoration process of subalpine coniferous forest Study on rehabilitation capacity of forest vegetation in the upper reaches of Bailong River region Advances in ecology restoration of abandoned quarries The role of diaspores and microsites in restoring degraded grasslands