Spatial characteristics of soil organic carbon and nitrogen storages in Songnen Plain maize belt. Characteristic of Organic Carbon Density and Organic Carbon Storage in the Natural Grassland of Center Loess Plateau Study on the Soil Organic Carbon Density of Alpine Meadow with Different Degradation Degrees in Eastern Qilian Mountains Soil organic carbon density and influencing factors in tropical virgin forests of Hainan Island, China Changes in land use and land cover and soil organic carbon storage in the densely populated village landscapes of China′s Yangtze Plain from the 1940 to 2002 Impact of grassland recovery and reconstruction on soil organic carbon in the northern Loess Plateau Soil organic carbon density and stock at the catchment scale of a hilly region of the loess plateau Factors affecting soil organic carbon density in Betula albo-sinensis forests on the southern slope of the Qinling Mountains Relationships between soil organic carbon density of Eucalyptus plantations and terrain factors in Nanning Estimation of China soil organic carbon storage and density based on 1:1000000 soil database Background organic carbon storage of topsoil and whole profile of soils from Tibet District and their spatial distribution Landscape structure, management and soil organic carbon in the densely populated village landscapes of China‘s Yangtze Delta Plain Soil organic carbon density of Eucalyptus plantations in Guangdong Province of China and related affecting factors. Characteristics of soil carbon density distribution of the Kobresia humilis meadow in the Qinghai Lake basin Scale effect analysis of the influence of land use and environmental factors on surface soil organic carbon:a case study in the hilly and gully area of Northern Shaanxi Province Altitudinal distribution rule of Picea schrenkiana forest’s soil organic carbon and its influencing factors