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Year-round multi-scale habitat selection by Crested Tit(Lophophanes cristatus)in lowland mixed forests(northern Italy)

引用

Avian Research 2022年第4期13卷 461-467页

作者： alessandro berlusconi Alessio Martinoli Lucas AWauters Giulia Tesoro Stefania Martini Erminio Clerici Gualtiero Guenzani Gabriele Pozzi Diego Rubolini Michelangelo Morganti Adriano Martinoli Environment Analysis and Management Unit-Guido Tosi Research Group-Department of Theoretical and Applied Sciences Universita degli Studi dell’InsubriaVia J.H.Dunant 321100VareseItaly CNR-IRSA National Research Council–Water Research Institute Via del Mulino 1920861BrugherioMBItaly Gruppo Insubrico di Ornitologia c/o Civico Museo Insubrico di Storia Naturale di Clivio e Induno OlonaVia Manzoni21050ClivioVAItaly Parco Pineta di Appiano Gentile e Tradate Via Alessandro Manzoni1122070Castelnuovo BozzenteCOItaly e Dipartimento di Scienze della Vita Biologia dei Sistemi Universita degli Studi di TorinoVia Accademia Albertina 1310123TurinItaly Conservation Department LIPU-Birdlife Italia Via Udine 3/a43122ParmaItaly Department of Environmental Science and Policy Universita degli Studi di MilanoVia Celoria 2620122MilanItaly

Determining how animals respond to resource availability across spatial and temporal extents is crucial to understand ecological processes underpinning habitat ***,we used a multi-scale approach to study the year-round habitat selection of the Crested Tit(Lophophanes cristatus)in a semi-natural lowland woodland of northern Italy,analysing different habitat features at each *** performed Crested Tit censuses at three different spatial *** the macrohabitat scale,we used geolocalized observations of individuals to compute Manly's habitat selection index,based on a detailed land-use map of the study *** the microhabitat scale,the trees features were compared between presence and absence *** the foraging habitat scale,individual foraging birds and their specific position on trees were recorded using focal animal *** were performed during both the breeding(March to May)and wintering(December to January)*** the macrohabitat scale,the Crested Tits significantly selected pure and mixed pine forests and avoided woods of alien plant species,farmlands and urban *** the microhabitat scale,old pine woods with dense cover were selected,with no significant difference in the features of tree selection between the two phenological *** the foraging habitat scale,the species was observed spending more time foraging in the canopies than in the understorey,using mostly the portion of Scots Pine(Pinus sylvestris)canopies closer to the trunk in winter,while during the breeding period,the whole canopy was ***,breeding and wintering habitats largely overlapped in the Crested *** on our findings,lowland Crested Tits can be well defined as true habitat specialists:they are strictly related to some specific coniferous woodland ***,compared to other tit species,which normally show generalist habits during winter,the Crested Tit behaves as a habitat specialist also out of the breeding ***

关键词： Crested tit Functional response Habitat selection Multi-scale approach Scots pine

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