Butterfly species' responses to urbanization : differing effects of human population density and built-up area

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dc.contributor.author Kuussaari, Mikko
dc.contributor.author Toivonen, Marjaana
dc.contributor.author Heliola, Janne
dc.contributor.author Poyry, Juha
dc.contributor.author Mellado, Jorge
dc.contributor.author Ekroos, Johan
dc.contributor.author Hyyrylainen, Vesa
dc.contributor.author Vähä-Piikkiö, Inkeri
dc.contributor.author Tiainen, Juha
dc.date.accessioned 2021-07-15T10:23:01Z
dc.date.available 2021-07-15T10:23:01Z
dc.date.issued 2021-06
dc.identifier.citation Kuussaari , M , Toivonen , M , Heliola , J , Poyry , J , Mellado , J , Ekroos , J , Hyyrylainen , V , Vähä-Piikkiö , I & Tiainen , J 2021 , ' Butterfly species' responses to urbanization : differing effects of human population density and built-up area ' , Urban Ecosystems , vol. 24 , pp. 515–527 . https://doi.org/10.1007/s11252-020-01055-6
dc.identifier.other PURE: 149035172
dc.identifier.other PURE UUID: 31be4fea-4bda-456f-8688-b686448f7a3f
dc.identifier.other WOS: 000570848000001
dc.identifier.other ORCID: /0000-0002-9215-8643/work/97057021
dc.identifier.uri http://hdl.handle.net/10138/332425
dc.description.abstract Good knowledge on how increasing urbanization affects biodiversity is essential in order to preserve biodiversity in urban green spaces. We examined how urban development affects species richness and total abundance of butterflies as well as the occurrence and abundance of individual species within the Helsinki metropolitan area in Northern Europe. Repeated butterfly counts in 167 separate 1-km-long transects within Helsinki covered the entire urbanization gradient, quantified by human population density and the proportion of built-up area (within a 50-m buffer surrounding each butterfly transect). We found consistently negative effects of both human population density and built-up area on all studied butterfly variables, though butterflies responded markedly more negatively to increasing human population density than to built-up area. Responses in butterfly species richness and total abundance showed higher variability in relation to proportion of built-up area than to human density, especially in areas of high human density. Increasing human density negatively affected both the abundance and the occurrence of 47% of the 19 most abundant species, whereas, for the proportion of built-up area, the corresponding percentages were 32% and 32%, respectively. Species with high habitat specificity and low mobility showed higher sensitivity to urbanization (especially high human population density) than habitat generalists and mobile species that dominated the urban butterfly communities. Our results suggest that human population density provides a better indicator of urbanization effects on butterflies compared to the proportion of built-up area. The generality of this finding should be verified in other contexts and taxonomic groups. en
dc.format.extent 13
dc.language.iso eng
dc.relation.ispartof Urban Ecosystems
dc.rights CC BY
dc.subject 1172 Environmental sciences
dc.subject Biotic homogenization
dc.subject Butterfly species responses
dc.subject Human population density
dc.subject Proportion of built-up area
dc.subject Species traits
dc.subject Urbanization gradient
dc.subject URBAN AREAS
dc.subject CITY
dc.subject ASSEMBLAGES
dc.subject DIVERSITY
dc.subject GRADIENT
dc.subject RICHNESS
dc.subject ECOLOGY
dc.title Butterfly species' responses to urbanization : differing effects of human population density and built-up area en
dc.type Article en
dc.contributor.organization Department of Agricultural Sciences
dc.description.reviewstatus peerReviewed
dc.relation.doi https://doi.org/10.1007/s11252-020-01055-6
dc.relation.issn 1083-8155
dc.rights.accesslevel openAccess
dc.type.version publishedVersion

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