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dc.contributor.authorFernandez-Arcaya, U.es_ES
dc.contributor.authorDrazen, J.C.es_ES
dc.contributor.authorMurua, Hilarioes_ES
dc.contributor.authorRamírez-Llodra, Evaes_ES
dc.contributor.authorBahamon, Nixones_ES
dc.contributor.authorRecasens, Lauraes_ES
dc.contributor.authorRotllant, Guiomares_ES
dc.contributor.authorCompany, Joan B.es_ES
dc.date.accessioned2016-09-08T10:11:40Z-
dc.date.available2016-09-08T10:11:40Z-
dc.date.issued2016-10-
dc.identifier.citationDeep Sea Research Part I 116 : 106-117 (2016)es_ES
dc.identifier.issn0967-0637-
dc.identifier.urihttp://hdl.handle.net/10261/136501-
dc.description12 páginas, 6 figuras, 5 tablas.es_ES
dc.description.abstractThere is a general hypothesis that species inhabiting deep-sea waters have lower fecundity and larger eggs than shallower species. However, there are few comparative studies which explore this trend because of the complexity of sampling in deep waters, especially in fishes. We present here the first analysis of fecundity and egg size with depth along an isothermal environment. We calculate the relative fecundity and egg size of 11 species of demersal deep-sea fish from the western Mediterranean and included in our analyses published data for an additional 14 species from the same geographic area. The results show that the relative fecundity (eggs per g of individual) of the analyzed fishes slightly decreased along the bathymetric gradient, whereas egg size increased with depth. When the analysis was conducted including only species from the order Gadiformes, the most speciose group in the region and with the widest depth range of distribution (50–2000 m), there was no relationship between relative fecundity and depth, while the deepest species had larger egg sizes than shallower ones. The finding of similar relative fecundities but larger egg sizes suggests that these deep-sea species are investing a higher amount of energy in the production of offspring than shallower water counterparts. The results are discussed in relation to the isothermal characteristics of the deep Mediterranean Sea and ecological adaptations for reproductive success.es_ES
dc.description.sponsorshipThis study was conducted within the framework oft he RECS(REN02/04556/C02/MAR), PROMETEO(CTM2007-66316-C02/MAR) and DOSMARES (CTM2010-21810-C03-03/MAR) projects by the Spanish Science and Innovation Ministry respectively, to JBC.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsclosedAccesses_ES
dc.subjectBathymetric patternes_ES
dc.subjectIsothermales_ES
dc.subjectDeep seaes_ES
dc.subjectFishes_ES
dc.subjectFecundityes_ES
dc.subjectEgg sizees_ES
dc.subjectReproductive outputes_ES
dc.subjectMediterranean Seaes_ES
dc.titleBathymetric gradients of fecundity and egg size in fishes: A Mediterranean case studyes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.dsr.2016.08.005-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.dsr.2016.08.005es_ES
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
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