Bihaly, Áron Domonkos and Kovács-Hostyánszki, Anikó and Szalai, Márk and Sárospataki, Miklós György (2020) Nesting activity of cavity-nesting bees and wasps is lower in small-scale apple orchards compared to nearby semi-natural habitats. AGRICULTURAL AND FOREST ENTOMOLOGY. ISSN 1461-9555
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Abstract
Commercially reared cavity-nesting bees have been studied mainly in large, intensively managed orchards. However, knowledge on wild cavity-nesting bee and wasp communities and their potential limitations in smaller orchards remain insufficient. We compared the colonization rate of trapnests, nesting success, parasitism and response to flower resources of cavity-nesting bees and wasps between apple orchards and nearby semi-natural habitats (SNHs). Trapnests were placed in orchards and neighbouring SNHs. Colonization dynamics were studied and herbaceous flower resources were estimated. Furthermore, nest and brood cell quantity, number of alive offspring and nest parasitism rate were assessed. We found a higher colonization rate in the SNHs than in the orchards. Both bees and wasps made more nests, completed more brood cells and had a higher number of alive offspring in the SNHs. The number of bee nests in the orchards showed a positive correlation with the species richness of the flowering plants. The nest parasitism of wasps was higher in the SNHs. Apple orchards in the studied small-scale system were generally less colonized by cavity-nesting hymenopterans than nearby SNHs that can be important reservoirs of these ecosystem service provider hymenopterans. Our results highlight the importance of diverse flowering herbaceous vegetation in the understory that increased the number of bee nests in orchards and that could have a positive effect on the nesting activity of the bee species active in summer. Therefore, management practices that support flowering plant species in the understory vegetation are highly recommended in such orchards.
Item Type: | Article |
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Uncontrolled Keywords: | pollinator; AGROECOSYSTEMS; Semi-natural habitat; cavity-nesting hymenopterans; nest parasites; trapnest; |
Subjects: | Q Science / természettudomány > QH Natural history / természetrajz > QH540 Ecology / ökológia |
SWORD Depositor: | MTMT SWORD |
Depositing User: | MTMT SWORD |
Date Deposited: | 23 Sep 2020 06:36 |
Last Modified: | 23 Sep 2020 06:36 |
URI: | http://real.mtak.hu/id/eprint/114103 |
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