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Assessing taxonomic and functional change in British breeding bird assemblages over time

2022-02Journal article Restricted access
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dc.contributor.authorWayman, Joseph P.
dc.contributor.authorSadler, Jonathan P.
dc.contributor.authorPugh, Thomas A. M.
dc.contributor.authorMartin, Thomas E.
dc.contributor.authorTobias, Joseph A.
dc.contributor.authorMatthews, Thomas J.
dc.date.accessioned2023-01-18T13:02:47Z
dc.date.available2023-01-18T13:02:47Z
dc.date.issued2022-02
dc.description.abstractAIM: The aim was to identify the primary drivers of compositional change in breeding bird assemblages over a 40-year period. LOCATION: Britain. TIME PERIOD: From 1970 to 2010. MAJOR TAXA STUDIED: Birds. METHODS: Using morphological trait measurements and a dataset of presence-absence data for British breeding birds surveyed in 10 km × 10 km hectads during two time periods, we calculated temporal taxonomic and functional beta diversity for each hectad alongside the change in species richness, mean nearest taxon distance (MNTD) and mean pairwise distance (MPD). We also estimated potential drivers of beta diversity, including climatic and land-use and land-cover (LULC) change variables, elevation and assemblage species richness in 1970 (1970rich). We used random forest regressions to test which variables best explained compositional change in the assemblages. We also assessed spatial taxonomic and functional change by analysing multiple-site beta diversity and pairwise dissimilarities between time periods. RESULTS: Initial (1970) species richness was the most important predictor (highest importance score) across all models, with areas characterized by higher initial richness experiencing less assemblage change overall. The coordinates included to capture spatial autocorrelation in the data were also important predictors of change. Most cli-mate and LULC variables had relatively low explanatory power; elevation and average temperature were the most influential. All metrics increased slightly with increasing elevation, except for species richness change and MPD, which decreased. MAIN CONCLUSIONS: The composition of British breeding bird assemblages changed substantially between 1970 and 2010. Spatial heterogeneity increased, both taxonomically and functionally. We show evidence that hectads with larger assemblages have been buffered from temporal diversity change and that those at higher elevations changed more in composition than those at lower elevations. Overall, coarse-resolution climate and LULC explained only small to moderate amounts of variation, suggesting that stochastic assembly change or finer-scale drivers might be drivers of temporal changes in assemblage composition.en
dc.description.sponsorshipBritish Trust for Ornithology (BTO).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationWayman, J. P., Sadler J. P., Pugh T. A. M., Martin T. E., Tobias J. A., & Matthews T. J. (2022). Assessing taxonomic and functional change in British breeding bird assemblages over time. "Global Ecology and Biogeography", 31(5), 925-939. https://doi.org/10.1111/geb.13468.en
dc.identifier.doi10.1111/geb.13468pt_PT
dc.identifier.eissn1466-8238
dc.identifier.issn1466-822X
dc.identifier.urihttp://hdl.handle.net/10400.3/6562
dc.identifier.urihttp://hdl.handle.net/10044/1/100227
dc.identifier.wos000759703200001
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.relation.publisherversionhttps://onlinelibrary.wiley.com/doi/full/10.1111/geb.13468pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBeta Diversityen
dc.subjectBritish Birdsen
dc.subjectClimate Changeen
dc.subjectCommunity Ecologyen
dc.subjectLand Coveren
dc.subjectLand useen
dc.subjectMacroecologyen
dc.titleAssessing taxonomic and functional change in British breeding bird assemblages over timept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceUnited Kingdomen
oaire.citation.endPage939pt_PT
oaire.citation.issue(5)pt_PT
oaire.citation.startPage925pt_PT
oaire.citation.titleGlobal Ecology and Biogeographyen
oaire.citation.volume31pt_PT
person.familyNameMatthews
person.givenNameThomas
person.identifier.orcid0000-0002-7624-244X
person.identifier.scopus-author-id56005200900
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationb7b2a71f-eef1-4edb-a9f5-af567f123faa
relation.isAuthorOfPublication.latestForDiscoveryb7b2a71f-eef1-4edb-a9f5-af567f123faa

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