Isolated trees support lower bird taxonomic richness than trees within habitat patches but similar functional diversity

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dc.contributor.authorde‐Carvalho, Mariana
dc.contributor.authorPrevedello, Jayme Augusto
dc.contributor.authorPardini, Renata
dc.contributor.authorLindenmayer, David B
dc.contributor.authorAlmeida‐Gomes, Mauricio
dc.date.accessioned2022-12-08T03:37:55Z
dc.date.available2022-12-08T03:37:55Z
dc.date.issued2020-10
dc.description.abstractLarge isolated trees are keystone structures that can help maintain biodiversity in fragmented landscapes, with evidence that open areas with isolated trees may support similar levels of taxonomic diversity to nearby patches of habitat. However, it is not clear if isolated trees can support the same diversity of ecological functions as trees in habitat patches. We compared species richness, community composition and functional diversity of birds in trees at forest edges and isolated trees. Twenty isolated trees and ten edge trees of American muskwood (Guarea guidonia) were selected, and sampled on 11 occasions, each of 20 minutes, over four months. All individual birds that landed at trees were recorded using a standardized protocol. Species richness was, on average, almost twice as high at edge trees than at isolated trees. Taxonomic composition differed between edge and isolated trees, with many forest-dependent birds restricted to edge trees, and some open-area birds restricted to isolated trees. Overall functional diversity was similar at edge and isolated trees, but some ecological functions (e.g. frugivory) were less frequent, while others (e.g. granivory) were more frequent at isolated compared to edge trees. Isolated trees are important for supporting many ecological functions in modified areas. However, the maintenance of forest patches is essential to complement the provision of such functions in modified landscapes.en_AU
dc.description.sponsorshipFinancial support was provided by PROEX-CAPES (process 1593780) (grant to MC); by the LTER site Mosaico Central Fluminense (PELD-MCF), funded by the LTER-CNPq program (process 403.840/2012-0), and by the Bio.M.A. network of the PPBio - Research Program in Biodiversity, funded by the MCT-MMA-GEF-CNPq (process 457.522/2012-7). JP and RP acknowledge research fellowships from CNPq (424061/2016-3 and 311051/2018-9, respectively).en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.citationde-Carvalho, M, Prevedello, JA, Pardini, R, Lindenmayer, D, Almeida-Gomes, M. Isolated trees support lower bird taxonomic richness than trees within habitat patches but similar functional diversity. Biotropica. 2021; 53: 213– 220. https://doi.org/10.1111/btp.12862en_AU
dc.identifier.issn0006-3606en_AU
dc.identifier.urihttp://hdl.handle.net/1885/281655
dc.language.isoen_AUen_AU
dc.provenancehttps://v2.sherpa.ac.uk/id/publication/7614..."The Accepted Version can be archived in a Non-Commercial Institutional Repository. 12 months embargo" from SHERPA/RoMEO site (as at 8/12/2022).en_AU
dc.publisherBiotropicaen_AU
dc.rights© 2020 The Association for Tropical Biology and Conservationen_AU
dc.sourceBiotropicaen_AU
dc.subjectAtlantic Foresten_AU
dc.subjectBrazilen_AU
dc.subjectfragmented landscapesen_AU
dc.subjectfunctional traitsen_AU
dc.subjectmatrix suitabilityen_AU
dc.subjectFunctional divergence indexen_AU
dc.subjectscattered treesen_AU
dc.titleIsolated trees support lower bird taxonomic richness than trees within habitat patches but similar functional diversityen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
dcterms.dateAccepted2020-07-30
local.bibliographicCitation.issue1en_AU
local.bibliographicCitation.lastpage220en_AU
local.bibliographicCitation.startpage213en_AU
local.contributor.affiliationLindenmayer, D. Fenner school of Environment & Society, The Australian National Universityen_AU
local.contributor.authoremaildavid.lindenmayer@anu.edu.auen_AU
local.contributor.authoruidu8808483en_AU
local.identifier.ariespublicationa383154xPUB14576
local.identifier.citationvolume53en_AU
local.identifier.doi10.1111/btp.12862en_AU
local.identifier.essn1744-7429en_AU
local.identifier.uidSubmittedByu3951201en_AU
local.publisher.urlhttps://www.wiley.com/en-gben_AU
local.type.statusAccepted Versionen_AU

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