Abstract
This study investigates how butterfly communities are influenced by habitat and landscape factors in forest-dominated landscapes. The abundance and species richness of butterflies were determined in 22 semi-natural meadows located in north-eastern Estonia. A correlation analysis, partial least squares analysis and stepwise forward-selection multiple regression analysis were applied for habitat parameters and the surrounding landscape at four spatial scales, i.e., 250, 500, 1,000 and 2,000 m radius. We found a positive correlation between the proportion of forest and total butterfly species richness at a 250 m radius scale. Contrary to expectation, the amount of meadow area in the surrounding landscape negatively influenced butterfly species richness and abundance. Our results emphasise the importance of both the surrounding landscape and habitat characteristics for butterfly species richness. Because butterfly communities are composed of individual species with different habitat requirements, diverse habitats and landscape configurations should be applied in insect conservation and management.
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