Insights in the Stock Mixing Dynamics of Atlantic Bluefin Tuna in the North Atlantic †

Abstract

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Chemical signatures in fin spine edge of Atlantic bluefin tuna (Thunnus thynnus) can serve as habitat markers of geographically distinct marine environments

“…Because of this and other discoveries, there is still considerable uncertainty about the population dynamics, mixing patterns, and connectivity of ABFT populations, particularly for juveniles (e.g., Fromentin et al., 2014 ; Arregui et al., 2018 ; Arrizabalaga et al., 2019 ). This knowledge gap hinders the effective conservation of this species and sustainable management of fishing stocks ( Kerr et al., 2004 ; Díaz-Arce et al., 2022 ).…”