Effects of different land-use types on soil organic carbon and its prediction in the mountainous areas in the middle reaches of Lancang River. Spatial Variability of Temperature During the Sewage Sludge Composting Process The spatial variability of salt content based on river basin scale: a case study of the delta oasis in Weigan-Kuqa Watershed Spatial variation of soil properties and quality evaluation for arable Ustic Cambosols in central Henan Province. Distribution Patterns of Chinese Beech (Fagus L.) Species in Relation to Topography Application of ordinary Kriging method in entomologic ecology