Partitioning soil respiration in lower subtropical forests at different successional stages in southern China Components of soil respiration and its temperature sensitivity in four types of forests along an elevational gradient in Shennongjia, China Soil Respiration Components and Its Controlling Factors in a Pinus tabulaeformis Plantation in Taiyue Mountain, China Annual Dynamic of Soil Respiration and Its Influential Factors in Intensively-Managed Forests of Phyllostachys praecox