Supplement 1. List of studies included in the meta-analysis, along with the calculated effect sizes.

File List EffectSizes.txt Description The StudiesEffectSizes.txt file is a tab-separated ascii file. The file contains the effect sizes used in the meta-analysis along with additional information about each effect size (e.g., analysis category, study of origin). Column definitions: 1 = value of Hedge's d used in meta-analysis 2 = variance of Hedge's d 3 = whether analysis was of bee abundance or bee species richness 4 = biome type where study took place 5 = type of anthropogenic disturbance studied 6 = bee taxon studied 7 = sociality system for bee taxon studied 8 = whether bee taxon was managed or unmanaged 9 = reference from which data were taken Checksum values for columns 1 and 2 are: 1 = -50.437 2 = 53.938