Urban tree composition is associated with breeding success of a passerine bird, but effects vary within and between years

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Jensen, Johan KjellbergLund University,Lunds universitet,Evolutionär ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Evolutionary ecology,Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC) (författare)

Urban tree composition is associated with breeding success of a passerine bird, but effects vary within and between years

Artikel/kapitelEngelska2023

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2023-01-21
Springer Science and Business Media LLC,2023

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LIBRIS-ID:oai:lup.lub.lu.se:652dbc43-8fa5-4e67-9ab0-ec2feda40ac4
https://lup.lub.lu.se/record/652dbc43-8fa5-4e67-9ab0-ec2feda40ac4URI
https://doi.org/10.1007/s00442-023-05319-8DOI

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Språk:engelska
Sammanfattning på:engelska

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Ämneskategori:ref swepub-contenttype

Anmärkningar

Birds breeding in urban environments have lower reproductive output compared to rural conspecifics, most likely because of food limitation. However, which characteristics of urban environments may cause this deficiency is not clear. Here, we investigated how tree composition within urban territories of passerine birds is associated with breeding probability and reproductive success. We used 7 years of data of breeding occupancy for blue and great tits (Cyanistes caeruleus; Parus major) and several reproductive traits for great tits, from 400 urban nest boxes located in 5 parks within the city of Malmö, Sweden. We found that tits, overall, were less likely to breed in territories dominated by either non-native trees or beech trees. Great tit chicks reared in territories dominated by non-native trees weighed significantly less, compared to territories with fewer non-native trees. An earlier onset of breeding correlated with increased chick weight in great tits. Increasing number of common oak trees (Quercus robur) was associated with delayed onset of breeding in great tits. Notably, as offspring survival probability generally increased by breeding earlier, in particular in oak-dominated territories, our results suggest that delayed onset of breeding induced by oak trees may be maladaptive and indicate a mismatch to this food source. Our results demonstrate that tree composition may have important consequences on breeding success of urban birds, but some of these effects are not consistent between years, highlighting the need to account for temporal effects to understand determinants of breeding success and inform optimal management in urban green spaces.

Ämnesord och genrebeteckningar

NATURVETENSKAP Biologi Ekologi hsv//swe
NATURAL SCIENCES Biological Sciences Ecology hsv//eng
Food limitation
Non-native trees
Parus major
Territory
Urbanization

Biuppslag (personer, institutioner, konferenser, titlar ...)

Ekroos, JohanLund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Centre for Environmental and Climate Science (CEC),Faculty of Science,University of Helsinki(Swepub:lu)cec-jhe (författare)
Watson, HannahLund University,Lunds universitet,Evolutionär ekologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Djurens navigation,Forskargrupper vid Lunds universitet,Ekologisk och evolutionär fysiologi,Molekylär ekologi och evolution,Evolutionary ecology,Department of Biology,Faculty of Science,Animal Navigation Lab,Lund University Research Groups,Ecological and Evolutionary Physiology,Molecular Ecology and Evolution Lab(Swepub:lu)biol-hnw (författare)
Salmón, PabloUniversity of Glasgow(Swepub:lu)biol-pbs (författare)
Olsson, PeterLund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Biodiversitet och bevarandevetenskap,Forskargrupper vid Lunds universitet,Centre for Environmental and Climate Science (CEC),Faculty of Science,Biodiversity and Conservation Science,Lund University Research Groups(Swepub:lu)pe2412ol (författare)
Isaksson, CarolineLund 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(Swepub:lu)biol-coi (författare)
Evolutionär ekologiBiologiska institutionen (creator_code:org_t)

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Ingår i:Oecologia: Springer Science and Business Media LLC201:3, s. 585-5970029-85491432-1939

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Av författaren/redakt...: Jensen, Johan Kj ...; Ekroos, Johan; Watson, Hannah; Salmón, Pablo; Olsson, Peter; Isaksson, Caroli ...

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NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Ekologi

Artiklar i publikationen: Oecologia

Av lärosätet: Lunds universitet

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