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Quantitative comparison of taxa and taxon concepts in the diatom genus Fragilariopsis : a case study on using slide scanning, multiexpert image annotation, and image analysis in taxonomy 1

dc.rights.licenseopenen_US
hal.structure.identifierAlfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine [AWI]
dc.contributor.authorBESZTERI, Bank
hal.structure.identifierBritish Antarctic Survey [BAS]
dc.contributor.authorALLEN, Claire
hal.structure.identifierUniversidad Nacional de la Plata [Argentine] [UNLP]
dc.contributor.authorALMANDOZ, Gaston O.
hal.structure.identifierDepartment of Biological Sciences [North Ryde]
dc.contributor.authorARMAND, Leanne
hal.structure.identifierUniversidad de Salamanca
dc.contributor.authorBARCENA, María Ángeles
hal.structure.identifierAlfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine [AWI]
dc.contributor.authorCANTZLER, Hannelore
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorCROSTA, Xavier
hal.structure.identifierAlfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine [AWI]
dc.contributor.authorESPER, Oliver
hal.structure.identifierDepartment of Earth and Environmental Sciences [Yamagata]
dc.contributor.authorJORDAN, Richard
dc.contributor.authorKAUER, Gerhard
hal.structure.identifierMax-Planck-Institut für Biogeochemie [MPI-BGC]
dc.contributor.authorKLAAS, Christine
hal.structure.identifierAlfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine [AWI]
dc.contributor.authorKLOSTER, Michael
hal.structure.identifierColgate University
dc.contributor.authorLEVENTER, Amy
hal.structure.identifierSchool of Earth and Ocean Sciences [Cardiff]
dc.contributor.authorPIKE, Jennifer
hal.structure.identifierUniversidad de Salamanca
dc.contributor.authorRIGUAL HERNÁNDEZ, Andrés S.
dc.date.accessioned2024-03-18T07:52:22Z
dc.date.available2024-03-18T07:52:22Z
dc.date.issued2018
dc.identifier.issn0967-0262en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/188822
dc.description.abstractEnSemiautomated methods for microscopic image acquisition, image analysis, and taxonomic identification have repeatedly received attention in diatom analysis. Less well studied is the question whether and how such methods might prove useful for clarifying the delimitation of species that are difficult to separate for human taxonomists. To try to answer this question, three very similar Fragilariopsis species endemic to the Southern Ocean were targeted in this study: F. obliquecostata, F. ritscheri, and F. sublinearis. A set of 501 extended focus depth specimen images were obtained using a standardized, semiautomated microscopic procedure. Twelve diatomists independently identified these specimen images in order to reconcile taxonomic opinions and agree upon a taxonomic gold standard. Using image analyses, we then extracted morphometric features representing taxonomic characters of the target taxa. The discriminating ability of individual morphometric features was tested visually and statistically, and multivariate classification experiments were performed to test the agreement of the quantitatively defined taxa assignments with expert consensus opinion. Beyond an updated differential diagnosis of the studied taxa, our study also shows that automated imaging and image analysis procedures for diatoms are coming close to reaching a broad applicability for routine use.
dc.language.isoENen_US
dc.rightsAttribution 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/us/*
dc.subject.enAutomatic diatom identification
dc.subject.enBacillariophyta
dc.subject.enHigh throughput microscopy
dc.subject.enImage analysis
dc.subject.enMorphometrics
dc.subject.enSHERPA
dc.subject.enTaxonomic agreement
dc.title.enQuantitative comparison of taxa and taxon concepts in the diatom genus Fragilariopsis : a case study on using slide scanning, multiexpert image annotation, and image analysis in taxonomy 1
dc.typeArticle de revueen_US
dc.identifier.doi10.1111/jpy.12767en_US
dc.subject.halSciences du Vivant [q-bio]/Biodiversité/Systématique, phylogénie et taxonomieen_US
dc.subject.halSciences de l'ingénieur [physics]/Traitement du signal et de l'imageen_US
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Océanographieen_US
bordeaux.journalEuropean Journal of Phycologyen_US
bordeaux.page703-719en_US
bordeaux.volume54en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue5en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamPALEOen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcehal
hal.identifierhal-02105532
hal.version1
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcehal
dc.rights.ccCC BYen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=European%20Journal%20of%20Phycology&rft.date=2018&rft.volume=54&rft.issue=5&rft.spage=703-719&rft.epage=703-719&rft.eissn=0967-0262&rft.issn=0967-0262&rft.au=BESZTERI,%20Bank&ALLEN,%20Claire&ALMANDOZ,%20Gaston%20O.&ARMAND,%20Leanne&BARCENA,%20Mar%C3%ADa%20%C3%81ngeles&rft.genre=article


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