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Will refaunation by feral horse affect five checkerspot butterfly species (\kur{Melitaea} Fabricius, 1807) coexisting at xeric grasslands of Podyji National Park, Czech Republic?
VODIČKOVÁ, Veronika
This thesis focuses on the population structure of five frittilary butterfly species - Melitaea athalia, M. cinxia, M. didyma, M. britomartis and M. aurelia - co-occurring on two xeric grassland localities of the Podyjí National Park, Czech Republic - Havranické vřesoviště and Mašovická střelnice. Recently, both of these sites are threatened by succession and degradation processes. Due to that, they have been chosen for whole season grazing by a large herbivore (Exmoor pony). This study describes adult demography structure, adult mobility and adult habitat requirements of the five butterflies prior to the grazing management establishment.
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Populace hnědásků (Melitaeini) na nelesních stanovištích NP Podyjí refaunovaných pastvou koní
HÁJKOVÁ, Klára
This thesis evaluates the impact of refaunation by the Exmoor pony on populations of five Melitaea butterfly species - Melitaea athalia, M. cinxia, M. didyma, M. britomartis and M. aurelia inhabiting xeric grasslands of the Podyjí National Park - Havranické Vřesoviště and Mašovická Střelnice. Both grassland sites are grazed since 2018. I compared adult butterflies' demography structure, mobility, spatial distribution, and habitat requirements with an earlier study carried out before the impact of horses (Vodičková et al., 2019). I detected multiple changes, some of them attributable to the horses (e.g., butterfly spatial distribution) and some not (e.g., population sizes), but also a remarkable stability, e.g., in dispersal parameters.
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Vliv refaunace velkými herbivory na vybrané skupiny hmyzu
VODIČKOVÁ, Veronika
This thesis studies the impact of refaunation by wild large ungulates on the butterflies, aculeate Hymenoptera, and Orthoptera assemblages. The data collection in field were undertaken in 2019 and 2020 within nine localities refaunated by large ungulates across the Czech Republic. Plots within the grazing enclosures were compared with controls, life history traits ordinations and comparisons of function traits diversities were used to interpret the patterns. Responses of the insect groups to refaunation are taxon specific, but generally, large ungulates contribute to creation and maintenance of functionally more diverse insect communities.
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