Soil microbial biomass and the influencing factors under Pinus tabulaeformis and Picea asperata plantations in the upper Minjiang River A Comparison of Genetic Diversity of the Ground Layer Dominant Species Thuidium cymbifolium in Planted and Naturally Regenerated Forests Characteristics of soil respiration in artificial restoration process of subalpine coniferous forest in eastern Qinghai-Tibet plateau. Changes of soil fertility quality properties under subalpine spruce plantation in Western Sichuan Aboveground litter contribution to soil respiration in a subalpine dragon spruce plantation of western Sichuan Effects of Forest Gaps and Litter on the Early Regeneration of Picea asperata Plantations Niche and Ecological Response of Herb Layer in Spruce plantation of Qilian Mountains