Abstract:Carex lasiocarpa is a rhizomatous clonal species of mire wetlands in Northeastern of China. The fieldwork about physical process of Carex lasiocarpa wetlands was carried out in the Shangjiang Plain Mire Wetlands Ecological Experiment Station in Chinese Academy of Science in Northeastern of China (47°31′N, 133°31′E). The mire type, vegetation type and soil type in the experimental station are provided with representation to the Shangjiang Plain, where the micro landforms is complex, which is made of d...