A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in Birds

[Aim] Variation in community composition along environmental gradients provides crucial information for identifying zones where species turnover is rapid and to ascertain whether compositional changes occur gradually or rather abruptly. We examined changes in bird community composition along three b...

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Autores: García-Navas, Vicente, Martínez Núñez, Carlos, Christidis, Les, Ozgul, Arpat
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/392566
Acceso en línea:http://hdl.handle.net/10261/392566
https://api.elsevier.com/content/abstract/scopus_id/85206171093
Access Level:acceso abierto
Palabra clave:Australia
Beta diversity
Bird communities
Climate change
Ecological gradient
Ecological thresholds
Species turnover
Transition zones
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dc.title.none.fl_str_mv A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in Birds
title A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in Birds
spellingShingle A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in Birds
García-Navas, Vicente
Australia
Beta diversity
Bird communities
Climate change
Ecological gradient
Ecological thresholds
Species turnover
Transition zones
title_short A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in Birds
title_full A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in Birds
title_fullStr A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in Birds
title_full_unstemmed A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in Birds
title_sort A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in Birds
dc.creator.none.fl_str_mv García-Navas, Vicente
Martínez Núñez, Carlos
Christidis, Les
Ozgul, Arpat
author García-Navas, Vicente
author_facet García-Navas, Vicente
Martínez Núñez, Carlos
Christidis, Les
Ozgul, Arpat
author_role author
author2 Martínez Núñez, Carlos
Christidis, Les
Ozgul, Arpat
author2_role author
author
author
dc.contributor.none.fl_str_mv Agencia Estatal de Investigación (España)
Ministerio de Ciencia e Innovación (España)
European Commission
Swiss National Science Foundation
García-Navas, Vicente [0000-0002-9362-2663]
Martínez Núñez, Carlos [0000-0001-7814-4985]
Christidis, Les [0000-0002-3345-6034]
Ozgul, Arpat [0000-0001-7477-2642]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Australia
Beta diversity
Bird communities
Climate change
Ecological gradient
Ecological thresholds
Species turnover
Transition zones
topic Australia
Beta diversity
Bird communities
Climate change
Ecological gradient
Ecological thresholds
Species turnover
Transition zones
description [Aim] Variation in community composition along environmental gradients provides crucial information for identifying zones where species turnover is rapid and to ascertain whether compositional changes occur gradually or rather abruptly. We examined changes in bird community composition along three bioclimatic transects in Australia to test whether drivers of species turnover are consistent, rather than spatially contingent, across biologically contrasting ecosystems. We also detected potential transition zones associated with environmental thresholds and determined whether certain abiotic conditions promote a higher rate of community compositional turnover.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
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dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/392566
https://api.elsevier.com/content/abstract/scopus_id/85206171093
url http://hdl.handle.net/10261/392566
https://api.elsevier.com/content/abstract/scopus_id/85206171093
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
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info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-123304NA-I00
info:eu-repo/grantAgreement/AEI//CNS2023-144066
info:eu-repo/grantAgreement/AEI//RYC2019-026703-I
Garcia-Navas, Vicente; 2024; A stroll along Australian biomes: using transects to examine environmental drivers of community assembly in birds [Dataset]; Figshare; v.2; https://doi.org/10.6084/m9.figshare.25139282.v2
The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1111/jbi.15023
https://doi.org/10.1111/jbi.15023
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
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dc.publisher.none.fl_str_mv John Wiley & Sons
publisher.none.fl_str_mv John Wiley & Sons
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
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spelling A Stroll Along Australian Ecosystems: Using Bioclimatic Transects to Examine Environmental Drivers of Community Assembly in BirdsGarcía-Navas, VicenteMartínez Núñez, CarlosChristidis, LesOzgul, ArpatAustraliaBeta diversityBird communitiesClimate changeEcological gradientEcological thresholdsSpecies turnoverTransition zones[Aim] Variation in community composition along environmental gradients provides crucial information for identifying zones where species turnover is rapid and to ascertain whether compositional changes occur gradually or rather abruptly. We examined changes in bird community composition along three bioclimatic transects in Australia to test whether drivers of species turnover are consistent, rather than spatially contingent, across biologically contrasting ecosystems. We also detected potential transition zones associated with environmental thresholds and determined whether certain abiotic conditions promote a higher rate of community compositional turnover.[Location] Mainland Australia.[Taxon] Terrestrial birds.[Methods] We applied multivariate community analysis, generalised dissimilarity modelling (GDM) and threshold indicator taxa analysis (TITAN).[Results] We observed that environmental variables are better predictors of community composition than spatial distance, which indicates that species sorting, rather than dispersal, plays a key role in structuring Australian avian communities. Annual precipitation constitutes a key driver of species turnover regardless of the analysed transect. The most humid landscapes and those with a higher tree canopy show lower spatial heterogeneity in community composition compared to those with less benign environmental conditions (e.g., dryer environments). TITAN detected significant transition points and supported the results obtained using GDM, which suggests that bird composition change along the gradients is not monotonic.[Main Conclusions] Our results suggest that avian beta diversity increases with increasing environmental harshness, presumably through changes in the relative importance of stochastic versus deterministic processes. The obtained findings show that open forests and woodlands are extremely important ecosystems on this continent and deserve special attention in terms of conservation due to their vulnerability to global change. Lastly, this study exemplifies the value of combining community- and taxon-based analyses to identify and interpret community thresholds, which can serve to pinpoint targets for preserving biodiversity.VGN was supported by the ‘Ramón y Cajal’ program (ref. RYC2019-026703-I), the research grants COMEVO (ref. PID2021-123304NA-I00) and BIODYN (ref. CNS2023-144066) of the Spanish Ministry of Science, Innovation and Universities (Agencia Estatal de Investigación AEI/10.13039/501100011033) and the European Union (‘Next Generation EU’), and a travel grant for guest researchers from the Swiss National Foundation SNF (ref. IZSEZ0_218541).Peer reviewedJohn Wiley & SonsAgencia Estatal de Investigación (España)Ministerio de Ciencia e Innovación (España)European CommissionSwiss National Science FoundationGarcía-Navas, Vicente [0000-0002-9362-2663]Martínez Núñez, Carlos [0000-0001-7814-4985]Christidis, Les [0000-0002-3345-6034]Ozgul, Arpat [0000-0001-7477-2642]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/392566https://api.elsevier.com/content/abstract/scopus_id/85206171093reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-123304NA-I00info:eu-repo/grantAgreement/AEI//CNS2023-144066info:eu-repo/grantAgreement/AEI//RYC2019-026703-IGarcia-Navas, Vicente; 2024; A stroll along Australian biomes: using transects to examine environmental drivers of community assembly in birds [Dataset]; Figshare; v.2; https://doi.org/10.6084/m9.figshare.25139282.v2The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1111/jbi.15023https://doi.org/10.1111/jbi.15023Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3925662026-05-22T06:33:51Z
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