Background: Urbanization is one of the leading causes of habitat loss, habitat degradation, and fragmentation. Urban development negatively affects biodiversity. We clarified changes in butterfly communities due to urbanization in urban green areas.
Results: Intotal, 59 species and 1,465 individuals of butterflies were observed in the four urban green areas -Namsan Park(NS), Ewha Womans University (EW), Bukseoul Dream Forest (BD), and Hongneung Forest (HF) -anda natural forest, Gwangneung Forest (GF). The categories of land use around the study sites were determined based on GIS data. Species richness and density of niche breadth and habitat type in the four urban green areas differed mostly from those in GF. Estimated species richness and species diversity (')in the four urban green areas were significantly lower than those in GF. Species richness and density of forest interior species and specialist species were positively correlated with paddy, field, and forest, whereas those of forest interior species and specialists were negatively correlated with urban area and road. Species composition and community structure of butterflies in the four urban were differed from those in GF.
Conclusions: Theseresults suggest that decreases in paddy, field, and forest associated with the increased urban area and road negatively influenced species composition and changed butterfly communities.
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| http://dx.doi.org/10.1186/s40555-014-0090-7 | DOI Listing |
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