Determining natal origin for improved management of Atlantic bluefin tuna

Type Article
Date 2019-10
Language English
Author(s) Rodríguez‐ezpeleta Naiara1, Díaz‐arce Natalia1, Walter John F2, Richardson David E3, Rooker Jay R4, Nøttestad Leif5, Hanke Alex R6, Franks James S7, Deguara Simeon8, Lauretta Matthew V2, Addis Piero9, Varela Jose Luis10, 11, Fraile Igaratza1, Goñi Nicolas1, Abid Noureddine12, Alemany Francisco13, Oray Isik K14, Quattro Joseph M15, Sow Fambaye N16, Itoh Tomoyuki17, Karakulak F Saadet14, Pascual‐alayón Pedro J18, Santos Miguel N19, Tsukahara Yohei17, Lutcavage Molly20, Fromentin Jean-Marc21, Arrizabalaga Haritz1
Affiliation(s) 1 : AZTI, Marine Research Division Sukarrieta ,Spain
2 : Southeast Fisheries Science Center National Marine Fisheries Service (NMFS)National Oceanic and Atmospheric Administration (NOAA) Miami FL, USa
3 : Northeast Fisheries Science Center NMFS NOAA Narragansett RI, usa
4 : Department of Marine Biology Texas A&M University Galveston TX, usa
5 : Institute of Marine Research Bergen, Norway
6 : St Andrews Biological Station Fisheries and Oceans Canada St Andrews ,Canada
7 : Center for Fisheries Research and Development Gulf Coast Research Laboratory University of Southern Mississippi Ocean Springs MS, usa
8 : AquaBioTech Ltd, Central Complex Mosta ,Malta
9 : Department of Environmental and Life Science University of Cagliari Cagliari, Italy
10 : Departamento de Biología Universidad de Cádiz Campus de Excelencia Internacional del Mar Cádiz Spain
11 : Biology Department Acadia University Wolfville, Canada
12 : Institut National de Recherche Halieutique Tangier ,Morocco
13 : Instituto Español de Oceanografía Centro Oceanográfico de Baleares Palma de Mallorca, Spain
14 : Faculty of Aquatic Sciences Istanbul University Istanbul ,Turkey
15 : Department of Biological Sciences University of South Carolina Columbia SC
16 : Centre de Recherches Océanographiques de Dakar‐Thiaroye Dakar ,Senegal
17 : National Research Institute of Far Seas Fisheries Bluefin Tuna Resources Division Shizouka, Japan
18 : Instituto Español de Oceanografía Centro Oceanográfico de Canarias Tenerife ,Spain
19 : Instituto Português do Mar e da Atmosfera Olhão ,Portugal
20 : School for the Environment and Large Pelagics Research Center University of Massachusetts–Boston Gloucester MA, USA
21 : MARBEC Université de Montpellier Sète ,France
Source Frontiers In Ecology And The Environment (1540-9295) (Wiley), 2019-10 , Vol. 17 , N. 8 , P. 439-443
DOI 10.1002/fee.2090
WOS© Times Cited 3
Abstract

Effective sustainable management of marine fisheries requires that assessed management units (that is, fish stocks) correspond to biological populations. This issue has long been discussed in the context of Atlantic bluefin tuna (ABFT, Thunnus thynnus) management, which currently considers two unmixed stocks but does not take into account how individuals born in each of the two main spawning grounds (Gulf of Mexico and Mediterranean Sea) mix in feeding aggregations throughout the Atlantic Ocean. Using thousands of genome‐wide molecular markers obtained from larvae and young of the year collected at the species’ main spawning grounds, we provide what is, to the best of our knowledge, the first direct genetic evidence for “natal homing” in ABFT. This has facilitated the development of an accurate, cost‐effective, and non‐invasive tool for tracing the genetic origin of ABFT that allows for the assignment of catches to their population of origin, which is crucial for ensuring that ABFT management is based on biologically meaningful stock units rather than simply on catch location.

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Rodríguez‐ezpeleta Naiara, Díaz‐arce Natalia, Walter John F, Richardson David E, Rooker Jay R, Nøttestad Leif, Hanke Alex R, Franks James S, Deguara Simeon, Lauretta Matthew V, Addis Piero, Varela Jose Luis, Fraile Igaratza, Goñi Nicolas, Abid Noureddine, Alemany Francisco, Oray Isik K, Quattro Joseph M, Sow Fambaye N, Itoh Tomoyuki, Karakulak F Saadet, Pascual‐alayón Pedro J, Santos Miguel N, Tsukahara Yohei, Lutcavage Molly, Fromentin Jean-Marc, Arrizabalaga Haritz (2019). Determining natal origin for improved management of Atlantic bluefin tuna. Frontiers In Ecology And The Environment, 17(8), 439-443. Publisher's official version : https://doi.org/10.1002/fee.2090 , Open Access version : https://archimer.ifremer.fr/doc/00595/70710/