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Author

Klaus Fischer

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Open access Aug 2026

Declining habitat directive butterflies within a major stronghold: Challenges for conservation

Biodiversity is globally declining, with specialists being more strongly affected than generalists. Myrmecophilous Phengaris nausithous and P. teleius are highly specialized grassland butterflies and flagship species for European nature conservation. Ongoing declines despite much research effort sugg...

Klaus Fischer, Joas Bouwknegt, S. Buchwald et al. · 0 citations
Open access Sep 2026

Panmixia in a Widespread Butterfly: High Dispersal and Ecological Generalism Buffer Against Landscape Fragmentation

ABSTRACT Habitat fragmentation is widely expected to reduce population connectivity and increase genetic differentiation, although the strength of these effects depends on species‐specific traits such as dispersal ability. Here, we investigated the population genetic structure of the cosmopolitan butterfly, Pieris rapa...

P. Dhyani, Franziska Deppe, Klaus Fischer · 0 citations

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