FN Archimer Export Format
PT J
TI Population structure of blackfin tuna (Thunnus atlanticus) in the western Atlantic Ocean inferred from microsatellite loci
BT 
AF Saillant, Eric A.
   Luque, Patricia L.
   Short, Emily
   Antoni, Luca
   Reynal, Lionel
   Pau, Cedric
   Arocha, Freddy
   Roque, Pollyana
   Hazin, Fabio
AS 1:1;2:1;3:1;4:1;5:2;6:2;7:3;8:4;9:4;
FF 1:;2:;3:;4:;5:PDG-RBE-BIODIVENV;6:PDG-RBE-BIODIVENV;7:;8:;9:;
C1 School of Ocean Science and Engineering, Gulf Coast Research Laboratory, University of Southern Mississippi, Ocean Springs, MS, 39564, USA
   IFREMER Délégation de Martinique, 97231, Le Robert, La Martinique, France
   Instituto Oceanográfico de Venezuela, Universidad de Oriente, Cumana, 6101, Venezuela
   UFRPE-Universidade Federal Rural de Pernambuco, Rua Dois Irmãos, s/n, Recife, PE, Brazil
C2 UNIV SO MISSISSIPPI, USA
   IFREMER, FRANCE
   UNIV ORIENTE, VENEZUELA
   UNIV FED RURAL PERNAMBUCO UFRPE, BRAZIL
SI MARTINIQUE
SE PDG-RBE-BIODIVENV
IN WOS Ifremer UPR
   DOAJ
   copubli-int-hors-europe
   copubli-sud
IF 4.6
TC 4
UR https://archimer.ifremer.fr/doc/00777/88902/94503.pdf
   https://archimer.ifremer.fr/doc/00777/88902/94504.docx
   https://archimer.ifremer.fr/doc/00777/88902/94505.docx
LA English
DT Article
DE ;Marine biology;Molecular ecology
AB The blackfin tuna, Thunnus atlanticus, is a small tropical tuna exploited by recreational and commercial fisheries in various parts of its range. Information on stock structure is needed to develop management plans for this species but is currently lacking. In this work, 470 blackfin tuna from nine geographic populations were assayed at 13 homologous microsatellite markers to provide a first assessment of stock structure across the species range. The overall divergence among locality samples was very low (overall FST = 0.0004) indicating high connectivity of blackfin tuna across their range. No clear grouping of localities in differentiated units was inferred but structuring followed a weak isolation by distance pattern (r = 0.16, P = 0.032). Pairwise exact tests and spatial analysis of molecular variance suggested divergence of the sample collected offshore Baía Formosa (Brazil) possibly reflecting reproductive isolation of Brazilian populations from those in the Caribbean region and further north. Further study of the status of Brazilian populations and the transition between this region and the Caribbean is warranted. Cryptic subdivision within the Northern Hemisphere part of the range is possible and should be evaluated using increased marker density and a more comprehensive geographic coverage. 
PY 2022
PD JUL
SO Scientific Reports
SN 2045-2322
PU Springer Science and Business Media LLC
VL 12
IS 1
UT 000811293500076
DI 10.1038/s41598-022-13857-z
ID 88902
ER

EF