Profile distribution characteristics of soil organic carbon in secondary forests in depressions between Karst hills Classification and Ordination of Fengshui Woods on Karst Hills of Guilin Spatiotemporal variation of soil moisture under different land use types in a typical karst hill region Soil microbial properties under different grain-for-green patterns in depressions between karst hills Plant community characteristics and its coupling relationships with soil in depressions between karst hills, North Guangxi, China Stoichiometric characteristics of plant and soil C, N and P in different forest types in depressions between karst hills, southwest China. Carbon storage and its controlling factors under different vegetation types in depressions between karst hills, southwest China Characteristics of soil fertility in different ecosystems in depressions between karst hills Leaf δ13C of plants in different vegetation succession stages on karst hillslope of Northwest Guangxi, China Characteristics of soil microbial populations in depressions between karst hills under different land use patterns. Dynamics of nutrient elements in different types of forests in depressions between karst hills Study on the adaptability of Eucalyptus grandis× E.urophylla in karst hills(Ⅰ):photosynthetic physiological ecology characteristics in spring