Variation characteristics of village and its relation with farmland productivity in south-center of Hebei province Re-recognizing on ecolomical benefits of exploiting grassland resources in south China Impacts of Climate Change on Soil Water Balance and Grassland Productivity in the Songnen Steppe Soil and water erosion in its relation to slope field productivity in hilly gully areas of the Loess Plateau Differences and relationships between farmland productivity and farmland natural quality Effects of thinning intensity on community stability of Quercus liaotungensis forest on Loess Plateau. Impact of soil erosion on soil fertility and land productivity The effect of land use changes on soil conditions in Korla City, Xinjiang An approach to the fluctuation relation among land productivity,population pressure and weakness in ecotone A GIS based study on the potential land productivity of China Responses of climatic potential grassland productivity to climatic change in an alpine meadow area over the Nujiang Basin, Tibet from 1980 to 2008 Health status evaluation of the farmland supply function at county level in Hebei Province Effect of Spring Rest-Grazing on Steppe Vegetation Impact of Grazing Intensities on Community Biodiversity and Productivity of Alpine Grassland in Qinghai Lake Region Evaluation of farmland productivity after rural homestead reclamation in the Three Gorges Reservoir Area - A case study of Fuling District, Chongqing City Building multi-scale EGLSN system and simulating cultivated land productivity Effects of Deferred Grazing on Grassland Community Characteristics and Productivity in Alpine Meadow Simulation Study Regarding the Impact of Climate Change on Grass Productivity in Inner Mongolia Evaluation of cropland productivity in the Hebei Plain via graded multi-year MODIS-NDVI data Evaluation of farmland productivity on the earth and rockyarea of the South Loess Plateau Evaluation of land use sustainability in Qinghai Lake area Studies and questions of biological diversity Relationship Between Plant Functional Groups,Species Richness and Community’s Productivity in Degraded Grassland Response of Plant Diversity and Soil Nutrient Condition to Grazing Disturbance in Stipa Baicalensis Roshev. Grassland The potential productivity of the main species used in the Datong reafforestation project on former farmland, Qinghai Province Effects of nutrient addition on plant diversity and productivity in a Stipa baicalensis grassland in Inner Mongolia, China DEVELOPING UNDERGROWTH VEGETATION IS AN IMPORTANT WAY TO RECOVER SOIL FERTILITY OF CHINESE FIR PLANTATION Impacts of cultivated land conversion on cultivated land productivity in China: Prediction and analysis. Changes of grassland ecosystem due to degradation of permafrost frozen soil in the Qinghai-Tibet Plateau