The Structure and Distribution Pattern of Dominant Populations in Castanopsis carlesii Community Grid-Based Spatial Pattern of Nitraria tangutorumSand Mounds in Desert-Riverine Ecotones Response of Spatial Point Pattern of Halostachys caspica Population to Underground Water Depth Soil C mineralization and temperature sensitivity in alpine grasslands of the Qinghai-Xizang Plateau Forest landscapes’ spatial point patterns and associations based on Ripley L and O-ring functions. Spatial Point Patters of Anabasis aphylla Populations in the Proluvial Fan of South Junggar Basin