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Determining natal origin for improved management of Atlantic bluefin tuna
ArticleAbstract: Effective sustainable management of marine fisheries requires that assessed management units (that iPalabras claves:Autores:Abid N., Addis P., Alemany F., Arrizabalaga H., Deguara S., Díaz-Arce N., Fraile I., Franks J.S., Fromentin J.M., Goñi N., Hanke A.R., Itoh T., José Luis Varela, Karakulak F.S., Lauretta M.V., Lutcavage M., Nøttestad L., Oray I.K., Pascual-Alayón P.J., Quattro J.M., Richardson D.E., Rodríguez-Ezpeleta N., Rooker J.R., Santos M.N., Sow F.N., Tsukahara Y., Walter J.F.Fuentes:scopusFeeding ecology and consumption rate of broadbill swordfish (Xiphias gladius) in Ecuadorian waters
ArticleAbstract: The feeding ecology and consumption rate of the broadbill swordfish (SWO, Xiphias gladius) from EcuaPalabras claves:Food items, stomach content analysis, Trophic biology, XiphiidaeAutores:Gómez-Zamora W., José Luis Varela, Mendoza-Moreira P.E., Wendy Gómez Zamora, Zambrano-Zambrano R.W.Fuentes:googlescopusFeeding ecology of Atlantic bluefin tuna (Thunnus thynnus) in the Gulf of Saint Lawrence, Canada
ArticleAbstract: Feeding ecology of Atlantic bluefin tuna (ABFT, Thunnus thynnus), from the Gulf of Saint Lawrence, CPalabras claves:Gulf of Saint Lawrence, Scombridae, stomach content, Trophic biology, δ N and δ C 15 13Autores:José Luis Varela, Spares A.D., Stokesbury M.J.W.Fuentes:scopusFeeding habits of juvenile yellowfin tuna (Thunnus albacares) in Ecuadorian waters assessed from stomach content and stable isotope analysis
ArticleAbstract: Size-related shifts in feeding habits of juvenile yellowfin tuna (YFT), Thunnus albacares (BonnaterrPalabras claves:Bayesian model, Feeding, Ontogenetic changes, Scombridae, Stable isotope analysis, stomach content analysisAutores:Cristhian Ronald Lucas-Pilozo, José Luis Varela, Julio César Flores, Ketty María IntriagoFuentes:scopusFeeding of Atlantic bluefin tuna Thunnus thynnus around the Canary Islands assessed from stomach content and stable isotope analyses
ArticleAbstract: The Canary archipelago, which is part of the Atlantic biogeographical region of Macaronesia, providePalabras claves:Gut contents, Kernel utilization density, KUD, Plastic debris, Scombridae, SIBER, Stable isotope Bayesian ellipse in R, Stable isotopes, Trophic biologyAutores:Abascal F.J., Déniz S., José Luis Varela, Medina A.Fuentes:scopusFood habits of South Pacific hake (Merluccius gayi) in Ecuadorian waters
ArticleAbstract: The food habits of the South Pacific hake (Merluccius gayi) from Ecuadorian waters were studied by aPalabras claves:Feeding patterns, Food items, Merlucciidae, stomach content analysisAutores:Jonathan Eduardo Pincay-Espinoza, José Luis VarelaFuentes:scopusEstimating diets of pre-spawning Atlantic bluefin tuna from stomach content and stable isotope analyses
ArticleAbstract: Stomach content analysis (SCA) and stable isotope analysis (SIA) coupled with isotopic mixing modelPalabras claves:Bluefin tuna, diet, Mixing models, Stable isotopes, Stomach contents, Thunnus thynnusAutores:José Luis Varela, Medina A., Rodríguez-Marín E.Fuentes:scopusEvaluation of different feeding protocols for larvae of Atlantic bluefin tuna (Thunnus thynnus L.)
ArticleAbstract: Mass mortality is still one of the main constraints in larval rearing of Atlantic bluefin tuna (ThunPalabras claves:Antioxidant status, ARTEMIA, Bluefin tuna, Copepods, digestibility, Gene Expression, Larvae, lipid metabolism, rotifers, Yolk sac larvaeAutores:Betancor M.B., de la Gándara F., José Luis Varela, Mourente G., Ortega A., Tocher D.R.Fuentes:scopusMonitoring the reproductive status of resident and migrant Atlantic bluefin tuna in the Strait of Gibraltar
ArticleAbstract: Two distinct contingents of Atlantic bluefin tuna (ABFT), migrants and residents, occur in the StraiPalabras claves:Gonad histology, Migrants, reproduction, residents, Strait of Gibraltar, Thunnus thynnusAutores:José Luis Varela, Macías D., Magro A., Medina A.Fuentes:scopusNew insight into the trophic biology of age-0 Atlantic bluefin tuna in the western Mediterranean using stomach content and stable isotope analyses
ArticleAbstract: The trophic biology of age-0 Thunnus thynnus (ABFT) was investigated at two locations off the IberiaPalabras claves:Amino acid stable isotope analysis (AA-CSIA), Bulk stable isotope analysis (BSIA), diet, Feeding ecology, Stomach content analysis (SCA), ThunnusAutores:Arrizabalaga H., Goñi N., José Luis Varela, Macías D., Medina A., Sorell J.M.Fuentes:scopus