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. 2022 Nov 7;12:18866. doi: 10.1038/s41598-022-21512-w

Figure 1.

Figure 1

General patterns of wild bee species richness as a function of urbanization. (a) species richness as a function of human population density; (b) species richness as a function of the proportion of impervious surface. Lines represent model predictions (dashed if not significant, α = 5%), and the shaded areas stand for the 95% confidence interval of these predictions.