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dc.contributor.authorReglero, P. (Patricia) 
dc.contributor.authorSantos, M.B. (María Begoña) 
dc.contributor.authorBalbín, R. (Rosa) 
dc.contributor.authorLaiz-Carrión, R. (Raúl) 
dc.contributor.authorÁlvarez-Berastegui, D. (Diego) 
dc.contributor.authorCiannelli, L. (Lorenzo)
dc.contributor.authorJiménez, E. (Elisa)
dc.contributor.authorAlemany, F. (Francisco) 
dc.coverage.temporal2012es_ES
dc.date.accessioned2017-06-08T15:00:22Z
dc.date.issued2017-06
dc.identifier.issn0967-0645*
dc.identifier.urihttp://hdl.handle.net/10508/10902
dc.description.abstractTuna spawning habitats are traditionally characterized using data sets of larvae or gonads from mature adults and concurrent environmental variables. Data on egg distributions have never previously been used since molecular analyses are mandatory to identify tuna eggs to species level. However, in this study we use molecularly derived egg distribution data, in addition to larval data, to characterize hydrographic and biological drivers of the spatial distribution of eggs and larvae of bluefin Thunnus thynnus and albacore tuna Thunnus alalunga in the Balearic Sea, a main spawning area of these species in the Mediterranean. The effects of the hydrography, characterized by salinity, temperature and geostrophic velocity, on the spatial distributions of the eggs and larvae are investigated. Three biological variables are used to describe the productivity in the area: chlorophyll a in the mixed layer, chlorophyll a in the deep chlorophyll maximum and mesozooplankton biomass in the mixed layer. Our results point to the importance of salinity fronts and temperatures above a minimum threshold in shaping the egg and larval distribution of both species. The spatial distribution of the biotic variables was very scattered, and they did not emerge as significant variables in the presence-absence models. However, they became significant when modeling egg and larval abundances. The lack of correlation between the three biotic variables challenges the use of chlorophyll a to describe trophic scenarios for the larvae and suggests that the spatial distribution of resources is not persistent in time. The different patterns in relation to biotic variables across species and stages found in this and other studies indicate a still elusive understanding of the link between trophic levels involving tuna early larval stages. Our ability to improve short-term forecasting and long-term predictions of climate effects on the egg and larval distributions is discussed based on the consistency of the environmentally driven spatial patterns for the two specieses_ES
dc.language.isoenges_ES
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subjectTunaes_ES
dc.subjectLarvaees_ES
dc.subjectEggses_ES
dc.subjectDistributiones_ES
dc.subjectDriverses_ES
dc.subjectChlorophylles_ES
dc.subjectHydrographyes_ES
dc.titleEnvironmental and biological characteristics of Atlantic bluefin tuna and albacore spawning habitats based on their egg distributionses_ES
dc.typearticlees_ES
dc.identifier.bibliographicCitationDeep-Sea Research Part II-Topical Studies In Oceanography, 140. 2017: 105-116*
dc.description.versionVersión del editores_ES
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0967064517300875
dc.publisher.centreCentro Oceanográfico de Baleareses_ES
dc.relation.projectIDATAMEes_ES
dc.rights.accessRightsopenAccesses_ES
dc.description.impact2,277*
dc.identifier.doi10.1016/j.dsr2.2017.03.013
dc.coverage.spatialStudyMer des Baléares*
dc.coverage.spatialStudyWestern Mediterranean Sea*
dc.coverage.spatialStudyMer Méditerranée*
dc.coverage.spatialStudyMar Mediterráneo*
dc.coverage.spatialStudyMediterranean Sea*
dc.coverage.spatialStudyMar Mediterráneo Occidental*
dc.coverage.spatialStudyMer Méditerranée Occidentale*
dc.coverage.spatialStudyMar Balear*
dc.coverage.spatialStudyBalearic Sea*
dc.subject.asfaspawninges_ES
dc.subject.asfaLarvaees_ES
dc.subject.asfaEggses_ES
dc.subject.asfaDistributiones_ES
dc.subject.asfaChlorophyllses_ES
dc.subject.asfaHydrographyes_ES


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    Atribución-NoComercial-SinDerivadas 3.0 España
    Except where otherwise noted, this item's license is described as Atribución-NoComercial-SinDerivadas 3.0 España