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. 2021 Feb 5;11:3202. doi: 10.1038/s41598-021-81967-1

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© This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2021, corrected publication 2021

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Mean total wild bee abundance, species richness, Shannon–Wiener diversity index, and species evenness (± SE) per farm by bloom density (mean bloom counts m⁻²) within wildflower strips or within unmanaged field margins on control farms. (A) Abundance, (B) Species richness, (C) Evenness, (D) Diversity.