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. Author manuscript; available in PMC: 2018 Apr 2.
Published in final edited form as: Nat Ecol Evol. 2017 Oct 2;1(11):1639–1642. doi: 10.1038/s41559-017-0325-1

Figure 2. Influence of soil characteristics on temporal divergence in grasslands.

Figure 2

Lines are mixed-effects model fits for each plant species richness level and soil characteristics within each study (thin lines) or across all studies (thick lines). Plots only show temporal trajectories of plant species richness levels present in at least two experimental grasslands. Soil characteristics are based on a principal component analysis; the first principal axis (Soil PC1) explained 48% of variation where positive values were associated with higher cation-exchange capacity, soil organic carbon content, and volumetric water content at wilting point and lower soil bulk density. See extended information in Supplementary Table 3 and Supplementary Fig. 2.