Effects of secondary and manmade forests on soil organic C and N in subsurface soil in hilly region of the Loess Plateau Soil Microbial Biomass Carbon and Nitrogen Concentrations in Four Subtropical Forests in Hilly Region of Central Hunan Province, China Study on Seedling Regenera tion of Arbor and Shrub in Logg ing Gaps inPopu lus davidiana-B e tu la pla typhylla Secondary Forests in Changba iMounta in Forest Development Type of Two Tropical Degraded Secondary Forests in Baisha County, Hainan Province Tree Species Diversity and Structure Characteristic of Secondary Forests of Quercus liaotungensis on Xiaolongshan Dynamics Analysis of the Relationship between Zokor and Secondary Forests on the Loess Plateau Characteristics of seedlings regeneration in Quercus aliena var. acuteserrata secondary forests in Qinling Mountains Plant Species Composition and Diversity of Secondary Forests in Montane Regions of Eastern Liaoning Province, China The Seed Bank in Logging Gaps in Populus davidiana Betula platyphylla Secondary Forests in Changbai Mountain Litter production and turnover in four types of subtropical forests in China Effects of harvesting on spatial heterogeneity of soil moisture in secondary forests of Maoershan region Spatial pattern of secondary Quercus aliena var. acuteserrata forests in the Qinling Mountains Effects of thinning on growth of Mongolian oak (Quercus mongolica) secondary forests