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Ecology and evolution of mountain butterflies
KLEČKOVÁ, Irena
The thesis deals with speciation processes, thermal ecology and habitat use in Holarctic mountain and arctic butterflies. It demonstrates a crucial role of environmental heterogeneity for speciation, survival of butterfly lineages, coexistence of closely related species and, finally, for resource use of sexes with different habitats demands at the level of individual species.
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Bionomics, diurnal behaviour and habitat selection of a vulnerable butterfly \kur{Erebia aethiops} in South Bohemia Bohemia
KLEČKOVÁ, Irena
Erebia aethiops (Esper, 1777) is a lowland representative of prevailingly mountain butterfly genus Erebia (Dalman, 1816). As many other butterfly species, it is declining in Central and Western Europe. I carried out an extensive mark-recapture study of its large population inhabiting Vyšenské Kopce Natural Reserve, the largest complex of calcareous grasslands in South Bohemia, Czech Republic. This thesis relates the demographic parameters to behavioral information, which indicate its habitat use. It also provides original observations of diurnal behaviour and bionomics of this little-studied and ecologically unusual species.
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