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\textbf{Figure 2:}  Summary of metric results across sites from the 2009 census. For each test, percentage of sites with statistically significant results are shown for leaf area (LFA), specific leaf area (SLA), maximum plant height (MXH), seed mass (SDM), and the first principal component (PC1). Rao, FDis, and CV are two-tailed: bars show the percentage of sites, out of 12, whose metric values were lower than the 2.5\% null percentile (red bars) or higher than 97.5\% null percentile (blue bars). CV trend and Clara are one-tailed: bars show the percentage of sites with metric values exceeding the 95\% null percentile.