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http://hdl.handle.net/10261/184893
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dc.contributor.author | Olivar, M. Pilar | - |
dc.contributor.author | Bode, Antonio | - |
dc.contributor.author | López-Pérez, C. | - |
dc.contributor.author | Hulley, P. Alexander | - |
dc.contributor.author | Hernández León, Santiago | - |
dc.date.accessioned | 2019-06-26T11:26:37Z | - |
dc.date.available | 2019-06-26T11:26:37Z | - |
dc.date.issued | 2019-05 | - |
dc.identifier | issn: 1054-3139 | - |
dc.identifier | e-issn: 1095-9289 | - |
dc.identifier.citation | ICES Journal of Marine Science 76(3): 649-661 (2019) | - |
dc.identifier.uri | http://hdl.handle.net/10261/184893 | - |
dc.description | 13 pages, 7 figures, 3 tables, supplementary data https://dx.doi.org/10.1093/icesjms/fsx243 | - |
dc.description.abstract | Lanternfishes (Myctophidae) constitute the most important component of the daily vertically migrating mesopelagic fish community. This research addresses the estimation of the trophic position and diet of myctophids using stable isotope analyses. Fishes were collected across the central Atlantic, from a very productive zone influenced by the Mauritanian upwelling to the western oligotrophic equatorial waters. The survey also encompassed a zone of low oxygen concentration in the mesopelagic layers. Determinations of δ13C and δ15N values were made on the 20 most frequent and abundant myctophids, from small-sized species (e.g. Notolychnus valdivae) to larger ones (e.g. Myctophum punctatum). Isotope analyses on the seston and several plankton groups were also performed to assess the influence of zonal differences in trophic position (TP) calculations, and to use as food sources in diet estimations. Myctophids displayed a narrow range of trophic positions, being greater than 2 and less than 4, except for N. valdiviae (TP = 1.7). Comparisons of diets estimated through an isotopic mixing model differentiated the smallest species, with a strong seston signature (Diogenichthys atlanticus and N. valdiviae), from the Diaphus species of medium sizes, (D. brachycephalus, D. holti, and D. rafinesquii), which feed on prey of higher TP values | - |
dc.description.sponsorship | This research has been funded by the Spanish Ministerio de Economía y Competitividad through projects CTM2012-39587-C04 and CTM2016-78853-R | - |
dc.publisher | International Council for the Exploration of the Sea | - |
dc.rights | openAccess | - |
dc.subject | Diet | - |
dc.subject | d15N | - |
dc.subject | Mesopelagic fish | - |
dc.subject | Trophic relationships | - |
dc.subject | d13C | - |
dc.title | Trophic position of lanternfishes (Pisces: Myctophidae) of the tropical and equatorial Atlantic estimated using stable isotopes | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1093/icesjms/fsx243 | - |
dc.relation.publisherversion | https://dx.doi.org/10.1093/icesjms/fsx243 | - |
dc.date.updated | 2019-06-26T11:26:37Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
Aparece en las colecciones: | (ICM) Artículos (IEO) Artículos |
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Fichero | Descripción | Tamaño | Formato | |
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Olivar_et_al_2019_preprint.pdf | 1,72 MB | Adobe PDF | Visualizar/Abrir | |
Olivar_et_al_2019_suppl.pdf | 273,28 kB | Adobe PDF | Visualizar/Abrir |
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