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Titulua: New insights to behaviour of North Atlantic albacore tuna (Thunnus alalunga) observed with pop-up satellite archival tags
Egilea: Cosgrove, Ronan; Arregui, Igor; Arrizabalaga, Haritz; Goni, Nicolas; Sheridan, Michael
Zitazioa: FISHERIES RESEARCH, 2014, 150, 89-99
Laburpena: Pop-up archival satellite tags were deployed on North Atlantic albacore tuna (Thunnus alalunga) in the first experiment using this technique on this species. New information on movement, habitat use and fish behaviour is presented. Data from five successful tag deployments for periods of up to 106 days revealed consistently shallow nocturnal depth preferences and progressively deeper diurnal depth preferences as seasons unfolded. In situ environmental variables such as chlorophyll-a and mixed layer depth significantly affected vertical depth preferences. Adapted deep diving behaviour to colder water below the mixed layer was also exhibited in the first record of repetitive bounce diving in albacore tuna. (C) 2013 Elsevier B.V. All rights reserved.
Gako-hitzak: Vertical; Horizontal movements; Environmental variables; Habitat use; BLUEFIN TUNA; BIGEYE TUNA; POPULATION-STRUCTURE; RELATIVE ABUNDANCE; PACIFIC ALBACORE; IMPROVING LIGHT; UNIT EFFORT; TEMPERATURE; MIGRATION; HABITAT
Gordailuaren-data: 2014
Argitalpen: ELSEVIER SCIENCE BV
Dokumentu mota: Article
Hizkuntza: Ingelesa
DOI: 10.1016/j.fishres.2013.10.013
URI: http://dspace.azti.es/handle/24689/367
ISSN: 0165-7836
E-ISSN: 1872-6763
Babeslea: BIM Marine Environment Protection Measure
Irish government
European Union
Basque Government [IM13Markak, ATM2010040]
Bildumetan azaltzen da:Artículos científicos



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