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Vocal repertoire and consistency of call features in the meagre Argyrosomous regius (Asso, 1801)

2020Journal article Open access
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dc.contributor.authorBolgan, Marta
dc.contributor.authorPereira, Beatriz P.
dc.contributor.authorCrucianelli, Aurora
dc.contributor.authorMylonas, Constantinos C
dc.contributor.authorPousão-Ferreira, Pedro
dc.contributor.authorParmentier, Eric
dc.contributor.authorFonseca, Paulo J.
dc.contributor.authorAmorim, Maria Clara P
dc.date.accessioned2020-11-16T12:20:51Z
dc.date.available2020-11-16T12:20:51Z
dc.date.issued2020
dc.description.abstractPassive Acoustic Monitoring (PAM) is a non-intrusive and cost-effective method capable of providing high-resolution, long-term information on the status and health of vocal populations and communities. To successfully monitor the same species over wide geographical and temporal scales, it is necessary to characterise the range of sound variability, as well as the consistency of sound features between populations. The meagre (Argyrosomus regius, Asso 1801) is an interesting case study because recent investigations suggest a wider vocal repertoire than previously described. In this study, meagre vocalizations were recorded and analysed from a variety of settings, ranging from rearing facilities to wild populations to provide a comprehensive characterisation of its vocal repertoire, while investigating the consistency of spawning sound features between populations. All sounds presented a similar acoustic structure in their basic unit (i.e. the pulse), while an important variability was found in the number of pulses; the meagre can emit sounds made of one single pulse or many pulses (up to more than 100). High level of overlap in the Principal Component Analysis made difficult to differentiate sound type clusters. Despite this, two sound types were identifiable: knocks (sounds from 1 to 3 pulses) and long grunts (sounds with more than 29 pulses). Discriminant Analysis carried out on PCA residuals showed that knock had the highest proportion of correct placement (92% of the observations correctly placed) followed by long grunts (80%). All other previously described sound types (intermediate grunt, short grunt and disturbance sounds) could not be separated and presented low levels of correct placement, suggesting that care should be taken when defining these as independent sound types. Finally, acoustic features consistency was found in meagre grunts emitted by different populations during spawning nights; statistical differences could be explained by recording settings and fish conditions. The results of this study provide important information for fostering PAM programs of wild meagre populations, while contributing to the discussion around the definition of fish sound types in vocal fish communities. Studies of this kind, which evaluate both variability and consistency of sound features, are of fundamental importance for maximising PAM efforts in the wild, at both the specific and the community level.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPlos One, 15(11), 1-20 Doi:pt_PT
dc.identifier.doi10.1371/journal.pone.0241792pt_PT
dc.identifier.issn19326203
dc.identifier.urihttp://hdl.handle.net/10400.12/7829
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherPlos Onept_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.titleVocal repertoire and consistency of call features in the meagre Argyrosomous regius (Asso, 1801)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceUnited Statespt_PT
oaire.citation.endPage20pt_PT
oaire.citation.issue11pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titlePLOS ONEpt_PT
oaire.citation.volume15pt_PT
person.familyNameBolgan
person.familyNameCrucianelli
person.familyNameMylonas
person.familyNameMarques Pousão-Ferreira
person.familyNameParmentier
person.familyNameP. Amorim
person.givenNameMarta
person.givenNameAurora
person.givenNameConstantinos
person.givenNamePedro
person.givenNameEric
person.givenNameMaria Clara
person.identifierH-3689-2014
person.identifier.ciencia-idC81A-A8A6-3CD1
person.identifier.ciencia-id5A11-AB29-0849
person.identifier.ciencia-id1910-1B03-161D
person.identifier.orcid0000-0002-4286-577X
person.identifier.orcid0000-0002-5232-9153
person.identifier.orcid0000-0003-1805-4392
person.identifier.orcid0000-0001-6746-764X
person.identifier.orcid0000-0002-9496-6919
person.identifier.orcid0000-0002-2453-6999
person.identifier.ridK-1889-2012
person.identifier.scopus-author-id55178532400
person.identifier.scopus-author-id35502287000
person.identifier.scopus-author-id7005454896
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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