Interspecific Relationships of Dominant Populations in the Alpine Wetlands in the Source Region of Yangtze River

Based on the datasets from sampling plots, the interspecific relationships among 26 main plant species of alpine wetlands in the source region of Yangtze River were studied by using methods of χ2-test, Pearson' s correlation and Spearman' s rank correlation analysis. The results indicated that there were positive associations for 26 pair-species and negative associations for 22 pair-species by χ2-…