Distribution and pollination services of wild bees and hoverflies along an altitudinal gradient in mountain hay meadows.

Habitat area had an additional effect on species richness of all pollinators combined (Figure 2 A, t = 2.84, p = 0.014) and hoverfly abundance (Figure 2 B, t = 2.63, p = 0.021), as well as a marginally significant effect on wild bee species richness (Figure 2 a, t = 1.93, p = 0.075).

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