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Urbanisation impact...
Urbanisation impacts plumage colouration in a songbird across Europe : Evidence from a correlational, experimental and meta-analytical approach
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- Salmón, Pablo (author)
- Lund University,Lunds universitet,Evolutionär ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Evolutionary ecology,Department of Biology,Faculty of Science,University of Glasgow
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- López-Idiáquez, David (author)
- University of Montpellier,University of the Basque Country
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- Capilla-Lasheras, Pablo (author)
- University of Glasgow
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- Pérez-Tris, Javier (author)
- Complutense University of Madrid
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- Isaksson, Caroline (author)
- Lund University,Lunds universitet,Evolutionär ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Ekologisk och evolutionär fysiologi,Forskargrupper vid Lunds universitet,Molekylär ekologi och evolution,Evolutionary ecology,Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC),Ecological and Evolutionary Physiology,Lund University Research Groups,Molecular Ecology and Evolution Lab
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- Watson, Hannah (author)
- Lund University,Lunds universitet,Djurens navigation,Forskargrupper vid Lunds universitet,Ekologisk och evolutionär fysiologi,Molekylär ekologi och evolution,Animal Navigation Lab,Lund University Research Groups,Ecological and Evolutionary Physiology,Molecular Ecology and Evolution Lab
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(creator_code:org_t)
- 2023
- 2023
- English 13 s.
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In: Journal of Animal Ecology. - 0021-8790. ; 92:10, s. 1924-1936
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http://dx.doi.org/10... (free)
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Abstract
Subject headings
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- Urbanisation is accelerating across the globe, transforming landscapes, presenting organisms with novel challenges, shaping phenotypes and impacting fitness. Urban individuals are claimed to have duller carotenoid-based colouration, compared to their non-urban counterparts, the so-called ‘urban dullness’ phenomenon. However, at the intraspecific level, this generalisation is surprisingly inconsistent and often based on comparisons of single urban/non-urban populations or studies from a limited geographical area. Here, we combine correlational, experimental and meta-analytical data on a common songbird, the great tit Parus major, to investigate carotenoid-based plumage colouration in urban and forest populations across Europe. We find that, as predicted, urban individuals are paler than forest individuals, although there are large population-specific differences in the magnitude of the urban-forest contrast in colouration. Using one focal region (Malmö, Sweden), we reveal population-specific processes behind plumage colouration differences, which are unlikely to be the result of genetic or early-life conditions, but instead a consequence of environmental factors acting after fledging. Finally, our meta-analysis indicates that the urban dullness phenomenon is well established in the literature, for great tits, with consistent changes in carotenoid-based plumage traits, particularly carotenoid chroma, in response to anthropogenic disturbances. Overall, our results provide evidence for uniformity in the ‘urban dullness’ phenomenon but also highlight that the magnitude of the effect on colouration depends on local urban characteristics. Future long-term replicated studies, covering a wider range of species and feeding guilds, will be essential to further our understanding of the eco-evolutionary implications of this phenomenon.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- biomarker
- carotenoid
- colouration
- pigmentation
- plumage
- urbanisation
Publication and Content Type
- art (subject category)
- ref (subject category)
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