The concept and application of carbon sequestration potentials in plantation forests Ground-dwelling ants as bioindicators during 30-year vegetation restoration in a savanna area, Yunnan Effects of the Close-to-Nature Cultivation of Larix olgensis and Fraxinus mandshurica on the Soil Physiochemical Properties Effect of the Close-to-Nature Transformation of Larix gmelinii Pure Stands on Plant Diversity of Understory Vegetation in Xiaoxing’an Mountains of China Differences in biomass, litter layer mass and SOC storage changing with tree growth in Larix gmelinii plantations in Northeast China