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Rare Species Support Vulnerable Functions in High-Diversity Ecosystems

Figure 2

Functional vulnerability as a function of commonness.

Species commonness is measured as in Figure 1. Functional vulnerability, scaled between 0 and 1, quantifies the lack of functional insurance provided by the rest of the pool to the focal species in terms of functional traits and regional occupancy. Solid lines represent ordinary least square regressions, whereas dashed and dotted lines represent 95th and 99th quantile regressions, respectively. Shaded areas indicate the 95% confidence intervals for each relationship. ns p>0.05, * p≤0.05, ** p≤0.01, *** p≤0.001.

Figure 2