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Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-28406
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dc.contributor.authorAlbrecht, Matthias-
dc.contributor.authorKnecht, Arthur-
dc.contributor.authorRiesen, Matthias-
dc.contributor.authorRutz, Theres-
dc.contributor.authorGanser, Dominik-
dc.date.accessioned2023-08-04T14:28:13Z-
dc.date.available2023-08-04T14:28:13Z-
dc.date.issued2021-10-28-
dc.identifier.issn1439-1791de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/28406-
dc.description.abstractWildflower strips (WFS) are amongst the most commonly applied measures to promote pollinators and natural enemies of crop pests in agroecosystems. Their potential to enhance these functionally important insect groups may vary substantially with time since establishment of WFS. However, knowledge on their temporal dynamics remains scarce, hampering recommendations for optimized design and management. We therefore examined temporal dynamics of taxonomic and functional groups of bees and hoverflies in perennial WFS ranging from one to ≥6 years since sowing with a standardized species-rich seed mixture of flowering plants in 18 agricultural landscapes in Switzerland. The abundance of wild bees, honeybees and hoverflies declined after the second year by 89%, 62% and 72%, respectively. Declines in bee abundance and hoverfly species richness were linear and those of aphidophagous hoverflies exponential, while wild bee species richness peaked in the third year. Declines over time generally paralleled decreases in flower abundance (-83%) and flowering species richness (-61%) and an increase in grass cover (+70%) in WFS. Flowering plant species richness showed strong positive relationships with dominant crop-visiting wild bees and aphidophagous hoverflies. Furthermore, dominant crop-visiting wild bees, but not aphidophagous hoverflies, were positively related to the proportion of (semi-)open semi-natural habitat in the surrounding landscape (500 m radius), but negatively with forest. We conclude that the effectiveness of perennial WFS to promote pollinator diversity, crop-pollinating bees and aphidophagous hoverflies through foraging resources decreases after the first two to three years, probably due to a decline of diverse and abundant floral resources. Although older perennial WFS may still provide valuable nesting and overwintering opportunities for pollinators and natural enemies, our findings indicate that regular re-sowing of perennial WFS may be necessary to maintain adequate floral resource provisioning for effective pollinator conservation and promotion of crop pollination and natural pest control services in agricultural landscapes.de_CH
dc.language.isoende_CH
dc.publisherElsevierde_CH
dc.relation.ispartofBasic and Applied Ecologyde_CH
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0/de_CH
dc.subjectAgroecologyde_CH
dc.subjectAgri-environment schemesde_CH
dc.subjectBiodiversity restorationde_CH
dc.subjectConservation biological controlde_CH
dc.subjectFlower stripsde_CH
dc.subjectNatural enemiesde_CH
dc.subjectPollinatorsde_CH
dc.subjectSecondary successionde_CH
dc.subjectSyrphidaede_CH
dc.subjectTemporal community dynamicsde_CH
dc.subject.ddc333.7: Landflächen, Naturerholungsgebietede_CH
dc.subject.ddc577: Ökologiede_CH
dc.titleTime since establishment drives bee and hoverfly diversity, abundance of crop-pollinating bees and aphidophagous hoverflies in perennial wildflower stripsde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementLife Sciences und Facility Managementde_CH
zhaw.organisationalunitInstitut für Umwelt und Natürliche Ressourcen (IUNR)de_CH
dc.identifier.doi10.1016/j.baae.2021.10.003de_CH
dc.identifier.doi10.21256/zhaw-28406-
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end114de_CH
zhaw.pages.start102de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume57de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Albrecht, M., Knecht, A., Riesen, M., Rutz, T., & Ganser, D. (2021). Time since establishment drives bee and hoverfly diversity, abundance of crop-pollinating bees and aphidophagous hoverflies in perennial wildflower strips. Basic and Applied Ecology, 57, 102–114. https://doi.org/10.1016/j.baae.2021.10.003
Albrecht, M. et al. (2021) ‘Time since establishment drives bee and hoverfly diversity, abundance of crop-pollinating bees and aphidophagous hoverflies in perennial wildflower strips’, Basic and Applied Ecology, 57, pp. 102–114. Available at: https://doi.org/10.1016/j.baae.2021.10.003.
M. Albrecht, A. Knecht, M. Riesen, T. Rutz, and D. Ganser, “Time since establishment drives bee and hoverfly diversity, abundance of crop-pollinating bees and aphidophagous hoverflies in perennial wildflower strips,” Basic and Applied Ecology, vol. 57, pp. 102–114, Oct. 2021, doi: 10.1016/j.baae.2021.10.003.
ALBRECHT, Matthias, Arthur KNECHT, Matthias RIESEN, Theres RUTZ und Dominik GANSER, 2021. Time since establishment drives bee and hoverfly diversity, abundance of crop-pollinating bees and aphidophagous hoverflies in perennial wildflower strips. Basic and Applied Ecology. 28 Oktober 2021. Bd. 57, S. 102–114. DOI 10.1016/j.baae.2021.10.003
Albrecht, Matthias, Arthur Knecht, Matthias Riesen, Theres Rutz, and Dominik Ganser. 2021. “Time since Establishment Drives Bee and Hoverfly Diversity, Abundance of Crop-Pollinating Bees and Aphidophagous Hoverflies in Perennial Wildflower Strips.” Basic and Applied Ecology 57 (October): 102–14. https://doi.org/10.1016/j.baae.2021.10.003.
Albrecht, Matthias, et al. “Time since Establishment Drives Bee and Hoverfly Diversity, Abundance of Crop-Pollinating Bees and Aphidophagous Hoverflies in Perennial Wildflower Strips.” Basic and Applied Ecology, vol. 57, Oct. 2021, pp. 102–14, https://doi.org/10.1016/j.baae.2021.10.003.


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