The difference between protected (P: SCI or SPA) and non-protected (NP) sites (Protection status) and between arable fields (A) and grasslands (G) (Land use) in the species richness and abundance of the different pollinator insect groups according to the Wilcoxon rank test.

P-values of significant effects are in bold.

具有统计学显著性的效应所对应的P值（P-values）以粗体显示。