Biodiverse Management of Perennial Flower Margins in Farmland: Meandering Mowing by 'Three-Strip Management' to Boost Pollinators and Beneficial Insects.

Interestingly, when focusing on solitary bees analyzed as a subcategory, significance levels are more pronounced for the three-strip-managed sites ( p = 0.001), while only a borderline significant effect was observed for the more common social bee species ( Bombus spp. and A. mellifera ) ( p = 0.048), an observation that is in agreement with the differences noticed in effect levels between the indices e H’ and D 2 , representing greater effects on rarer bees compared to more common bee species, respectively.

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Finally, regarding natural enemies, we mainly found a significant effect on their abundance, not on species diversity, and only a positive trend in the species richness of rarer species in the community (Hill number N1).

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