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How do urban green space designs shape avian communities? Testing the area–heterogeneity trade-off

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dc.abstract.enIn cities, green areas are essential for biodiversity conservation, with land cover heterogeneity being a decisive factor. Yet, as heterogeneity increases for a given green area, the patch size of land covers automatically decreases, as the area available for individual species, especially habitat specialist species. This relationship, known as the area-heterogeneity trade-off, is expected to lead to a unimodal relationship between species richness and land cover heterogeneity, and contrasted effects between species according to their level of urban avoidance. We investigated the potential consequences of this trade-off on birds in green areas selected along an urban intensity gradient in six European cities. Using a European database on bird occurrences in nesting habitats, we defined a continuous gradient of urban avian avoidance. We confirmed the marked area-heterogeneity trade-off in urban green areas but found no effect of land cover heterogeneity on total avian richness at green area level. However, both land cover heterogeneity and patch size were positively associated with richness of urban avoider species, indicating that urban avoiders fared better in green areas with large and heterogeneous patches. Total richness was also higher in green areas surrounded by an urban matrix composed of a variety of land covers. To protect urban bird avoiders, which are most at risk in cities, green area managers and urban planners should thus be aware that land cover heterogeneity is not a panacea if patch sizes are too small. To conserve avian richness, we stress the importance of maintaining large vegetated areas as well as heterogeneity in land covers within the urban matrix.
dc.affiliationWydział Medycyny Weterynaryjnej i Nauk o Zwierzętach
dc.affiliation.instituteKatedra Zoologii
dc.contributor.authorChiron, François
dc.contributor.authorLorrillière, Romain
dc.contributor.authorBessa-Gomes, Carmen
dc.contributor.authorTryjanowski, Piotr
dc.contributor.authorCasanelles-Abella, Joan
dc.contributor.authorLaanisto, Lauri
dc.contributor.authorLeal, Ana
dc.contributor.authorVan Mensel, Anskje
dc.contributor.authorMoretti, Marco
dc.contributor.authorMuyshondt, Babette
dc.contributor.authorNiinemets, Ülo
dc.contributor.authorOrtí, Marta Alós
dc.contributor.authorPinho, Pedro
dc.contributor.authorSamson, Roeland
dc.contributor.authorDeguines, Nicolas
dc.date.accessioned2024-12-19T09:26:10Z
dc.date.available2024-12-19T09:26:10Z
dc.date.issued2024
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if7,9
dc.description.points200
dc.description.volume242
dc.identifier.doi10.1016/j.landurbplan.2023.104954
dc.identifier.eissn1872-6062
dc.identifier.issn0169-2046
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/2250
dc.languageen
dc.pbn.affiliationbiological sciences
dc.relation.ispartofLandscape and Urban Planning
dc.relation.pagesart. 104954
dc.rightsClosedAccess
dc.sciencecloudsend
dc.titleHow do urban green space designs shape avian communities? Testing the area–heterogeneity trade-off
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume242
project.funder.nameprojekt badawczy NCN/2016/22/Z/NZ8/00004