Articles | Volume 20, issue 2
https://doi.org/10.5194/we-20-143-2020
https://doi.org/10.5194/we-20-143-2020
Standard article
 | 
20 Oct 2020
Standard article |  | 20 Oct 2020

Effects of management cessation on hoverflies (Diptera: Syrphidae) across Austrian and Swiss mountain meadows

Ronnie Walcher, Raja Imran Hussain, Johannes Karrer, Andreas Bohner, David Brandl, Johann G. Zaller, Arne Arnberger, and Thomas Frank

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Cited articles

Almohamad, R., Verheggen, F. J., and Haubruge, E.: Searching and oviposition behavior of aphidophagous hoverflies (Diptera: Syrphidae): a review, Biotechnol. Agron. Soc. Environ., 13, 467–481, 2009. 
Azcárate, F. M. and Peco, B.: Abandonment of grazing in a mediterranean grassland area: consequences for ant assemblages, Insect Conserv. Diver., 5, 279–288, https://doi.org/10.1111/j.1752-4598.2011.00165.x, 2011. 
Basemap.at: Verwaltungsgrundkarte von Österreich, available at: https://www.basemap.at, last access: April 2020. 
Baur, B., Cremene, C., Groza, G., Rakosy, L., Schileyko, A. A., Baur, A., Stoll, P., and Erhardt, A.: Effects of abandonment of subalpine hay meadows on plant and invertebrate diversity in Transylvania, Romania, Biol. Conserv., 132, 261–273, https://doi.org/10.1016/j.biocon.2006.04.018, 2006. 
Bonari, G., Fajmon, K., Malenovský, I., Zelený, D., Holuša, J., Jongepierová, I., Kočárek, P., Ondřej, K., Uřičář, J., and Chytrý, M.: Management of semi-natural grasslands benefiting both plant and insect diversity: The importance of heterogeneity and tradition, Agric. Ecosyst. Environ., 246, 243–252, https://doi.org/10.1016/j.agee.2017.06.010, 2017. 
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Short summary
The abandonment of extensively managed mountainous meadows affects the diversity of both plants and associated pollinators. However, not much is known about the effects of abandonment on hoverflies which consitute an important pollinator group in grasslands. Our research suggests that extensive management is most beneficial in preserving hoverfly richness in mountainous grasslands.
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