Spatial distribution characteristics and ecological effects of carbon and nitrogen of soil in Huolin River catchment wetland Spatial distribution regularities of farmland soil quality in subsidence areas of coal filling mining and non-filling mining SPATIAL DISTRIBUTION CHARACTERISTICS OF MAJOR TREE SPECIES AT NECT—GEOSTATISTICS AND FRACTAL METHODS Spatial and Temporal Change of Vegetation Cover in Xinjiang Based on FVC NITROGEN ISOTOPE COMPOSITIONS AND SPATIAL DISTRIBUTION CHARACTERISTICS OF SOIL IN THE PROCESS OF KARST ROCKY DESERTIFICATION Root Distribution and Growing of Apricot Alfalfa Sod Culture Pattern Spatial distribution characteristics of plant-parasitic nematodes in cultivated horizon of a site-specific experimental field SPATIAL DISTRIBUTION CHARACTERISTICS OF APPLE TREE ROOTS IN THE APPLE-WHEAT INTERCROPPING Study on temporal and spatial characteristics of available soil nitrogen,phosphorus,and potassium among the forest ecosystem of Mt.Jinyun Temporal and spatial distribution characteristics of super-high-yield summer maize root The Soil Erosion Distribution Characteristics and Ecological Background of Chinese Cultivated Land Spatial Distribution Characteristics of Weed Species Diversity in a Watershed Ecosystem in Southern China‘s Hilly Area