Greenhouse gas flux from forests and wetlands: a review of the effects of disturbance Effect of Expansion and Contraction of Grassland Soil in Northeastern China Impact of a severe ice storm on subtropical plantations at Qianyanzhou, Jiangxi, China Biodiversities and Distribution Patterns of Saplings in Different Forest Communities in the Nanling Mountain, Southern China Dynamics ofdominant tree seedlings in montane evergreen broadleaved forest following a snow disaster in North Guangdong Gaps and their natural disturbance characteristics in mid-subtropical evergreen broad-leaved forest in Wanmulin Review on historical range of variability in forest landscape The dynamics of different growth form ground vegetation following a natural disturbance Sprouting Characteristics of Dominant Species in Evergreen Broad-Leaved Forests Damaged by Frozen and Snow Disaster in Nanling Mountain GAPS AND THEIR NATURAL DISTURBANCE REGIMES IN THE TROPICAL MONTANE RAIN FOREST OF HAINAN ISLAND A STUDY ON THE SPECIES GROUP AGE STRUCTURE OF LARIX GMELINI POPULATION AND ITS RELATION TO DISTURBANCE ON THE NORTH DAXINGANLING MOUNTAINS CHARACTERISTICS OF CANOPY GAP DISTURBANCE IN WOLONG NATURE RESERVE