Seasonal nitrogen enrichment alters plant community stability–area relationship through decreased biodiversity, species asynchrony, and population stability

These data files were analysed to produce the statistics and figures reported in the paper about seasonal nitrogen addition and multi-scale stability.The field experiment was conducted on a temperate grassland near the Inner Mongolia Grassland Ecosystem Research Station (IMGERS; 116°42′E, 43°38′N) of the Chinese Academy of Sciences, located in the Xilin River Basin, Inner Mongolia, China. This seasonal nitrogen addition experiment was established in July 2014 and the data was from 2014 to 2020.The file "data_all.csv" is the data used for Figures 1-4 and Table 1 in the article, and “data_figure_1.csv” is the additional data used for Figure 1 in the article.The file "R_Code_CSAR_2026.R" is the code for the R software, which is used to generate statistics and figures.