A map of the Southern Balkans showing the five study regions where impacts of Forest encroachment on butterflies were studied.

Abstract

<p>R1 –foothills of Paramythia Mts, NW Greece (Epirus province); R2 –foothills of Taygetos Mts., S Greece (Lakonia); R3 –southern foothills of Giona Mts, Greece (Sterea Ellada); R4 –Macedonia, Prilep environs; R5 –SE Bulgaria (Kardzhali environs). Average aerial distance among regions was 220 km (range 143–320 km).</p