Effects of urbanization on taxonomic, functional and phylogenetic avian diversity in Europe

. 2021 Nov 15 ; 795 () : 148874. [epub] 20210705

Jazyk angličtina Země Nizozemsko Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid34246142

Europe is an urbanized continent characterized by a long history of human-wildlife interactions. This study aimed to assess the effects of specific elements of urbanization and urban pollution on complementary avian diversity metrics, to provide new insights on the conservation of urban birds. Our study recorded 133 bird species at 1624 point counts uniformly distributed in seventeen different European cities. Our results thus covered a large spatial scale, confirming both effects of geographical and local attributes of the cities on avian diversity. However, we found contrasting effects for the different diversity components analyzed. Overall, taxonomic diversity (bird species richness), phylogenetic diversity and relatedness were significantly and negatively associated with latitude, while functional dispersion of communities showed no association whatsoever. At the local level (within the city), we found that urban greenery (grass, bush, and trees) is positively correlated with the number of breeding bird species, while the building cover showed a detrimental effect. Functional dispersion was the less affected diversity metric, while grass and trees and water (rivers or urban streams) positively affected the phylogenetic diversity of avian communities. Finally, the phylogenetic relatedness of species increased with all the main indicators of urbanization (building surface, floors, pedestrian's density and level of light pollution) and was only mitigated by the presence of bushes. We argue that maintaining adequate levels of avian diversity within the urban settlements can help to increase the potential resilience of urban ecosystems exposed to the stress provoked by rapid and continuous changes. We listed some characteristics of the cities providing positive and negative effects on each facet of urban avian diversity.

Czech University of Life Sciences Prague Faculty of Environmental Sciences Department of Applied Geoinformatics and Spatial Planning Kamýcká 129 CZ 165 00 Prague 6 Czech Republic

Czech University of Life Sciences Prague Faculty of Environmental Sciences Kamýcká 129 CZ 165 00 Prague 6 Czech Republic

Czech University of Life Sciences Prague Faculty of Environmental Sciences Kamýcká 129 CZ 165 00 Prague 6 Czech Republic; Institute of Zoology Poznań University of Life Sciences Wojska Polskiego 71C PL 60 625 Poznań Poland

Department of Biogeography and Global Change Museo Nacional de Ciencias Naturales E 28006 Madrid Spain

Department of Biology University of Turku Turku Finland

Department of Biomolecular Sciences University of Urbino Carlo Bo 61029 Urbino PU Italy

Department of Plant Pathology Szent István University Budapest Hungary; Behavioural Ecology Group Department of Systematic Zoology and Ecology ELTE Eötvös Loránd University Pázmány Péter sétány 1 C H 1117 Budapest Hungary

Department of Zoology Faculty of Sciences University of Granada Granada Spain

Department of Zoology Institute of Ecology and Earth Sciences University of Tartu Tartu Estonia

Department of Zoology School of Biology Aristotle University of Thessaloniki 54124 Thessaloniki Greece

Ecologie Systématique Evolution Université Paris Sud CNRS AgroParisTech Université Paris Saclay F 91405 Orsay Cedex France

Institute for Environmental Studies Faculty of Science Charles University Prague Czech Republic; Department of Zoology and Laboratory of Ornithology Faculty of Science Palacky University in Olomouc Czech Republic

Institute of Biological Sciences University of Zielona Góra Prof Szafrana St 1 PL 65 16 Zielona Góra Poland

Nature Inventory and EIA services Arctic Centre University of Lapland P O Box 122 FI 96101 Rovaniemi Finland

Plegadis Riga Feraiou 6A 45444 Ioannina Greece

Rue des Roses 87200 Chaillac sur Vienne France

S C della Pantiera 23 61029 Pantiera Urbino Italy

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