FigureS1-S32, Table S4 and Section S1-S3 from Ecological dynamics of terrestrial and freshwater ecosystems across three mid-Phanerozoic mass extinctions from northwest China

Figure S1. Palaeogeography of Xinjiang and stratigraphy of the studied formations; Figure S2. Nonmetric multidimensional scaling ordinations of food-web; Figure S3. Rarefaction analysis of number of species against number of guilds; Figure S4. Diversity versus duration of time bin plot of the palaeocommunities in Xinjiang; Figure S5. Boxplots showing the variation range in PC1 and PC2 for species-level networks for each community. Community robustness decreases with elevating PC scores for both components; Figure S6-19. Plots showing secondary extinction versus primary perturbation for each of the 14 communities. Period of community is indicated by color, with red for Permian, purple for Triassic and blue for Jurassic; Figure S20-32. Plots showing secondary extinction versus primary perturbation for each of the 13 communities (randomly reduced species richness to 54). Period of community is indicated by color, with red for Permian, purple for Triassic and blue for Jurassic; Table S4. Mann-Whitney U tests results of the collapse thresholds between the original and the reduced species richness communities; Section S1. Sampling and uneven strata issues; Section S2. Principal components analysis (PCA); Section S3. Sources used to compile the database.