RT Conference Proceedings
T1 Blackspot seabream early life stages dispersal by hydrodynamic modelling (Strait of Gibraltar - Alboran Sea)
A1 Sammartino, Simone
A1 Sánchez-Garrido, José Carlos
A1 García-Lafuente, Jesús
A1 Naranjo-Rosa, Cristina Belén
A1 Hidalgo, Manuel
A1 Gil Herrera, Juan
K1 Gibraltar
K1 Pesca
AB The Blackspot seabream (Pagellus bogaraveo) is a commercially appreciated demersal fish, widespread in thenorth-eastern Atlantic and middle-western Mediterranean. The Strait of Gibraltar (SoG) is an important fishingarea where artisanal fleets from Spain and Morocco target this species using special longline gears knownas “voracera”. Different studies on the health status of this species claim an overexploitation of the resourcewithout any kind of objective management measures implemented yet by the associated countries. Improvingthe knowledge of the population dynamics, and particularly during the spawning window, is crucial for a bettermanagement of the fishing effort for this species. There is an agreement in literature in considering the SoG asan especially energetic and dispersive spawning zone for this species. Once spawned, eggs and larvae (ELS) areassumed to be scattered by the currents towards both sides of the SoG, mostly to the eastwards Alboran basin,where high concentrations of juveniles occur.A high resolution hydrodynamic model coupled to a Lagrangian particle tracking system is employed to assess thepotential dispersal pathways of blackspot seabream ELS spawned in the SoG. Recursive releases of passive tracersin different virtual spawning spots and depths within the SoG region are tracked under different tidal conditionsin order to obtain an overall characterization of the spatial dispersion patterns of the studied species. Semidiurnaltidal currents emerge as the primary factor in determining the horizontal dispersion and pathway of the spawningproducts, although the spring-neap tidal cycle and the spawning depth can be also important variables dependingon the region considered as well as the arrival zone for the ELS dispersal paths over the Alboran Sea
YR 2019
FD 2019-04
LK https://hdl.handle.net/10630/17566
UL https://hdl.handle.net/10630/17566
LA eng
NO Sammartino et al.,(2019) Blackspot seabream early life stages dispersal by hydrodynamic modelling (Strait of Gibraltar - Alboran Sea), Geophysical Research Abstracts, Vol. 21, EGU2019-18082, 2019, EGU General Assembly 2019.
NO Universidad de Málaga. Campus de Excelencia Internacional CEIMAR
DS RIUMA. Repositorio Institucional de la Universidad de Málaga
RD 20 ene 2026