Dinámica de la pesquería de la bacaladilla, Micromesistius poutassou, una especie acompañante altamente descartada en el Mediterráneo noroccidental

Autores/as

DOI:

https://doi.org/10.3989/scimar.05240.025

Palabras clave:

descartes, reclutamiento, dinámica poblacional, captura desembarcada, estructura de edades

Resumen


Para un enfoque ecosistémico en la gestión de las pesquerías, se requiere información actualizada sobre el estado de explotación de las especies acompañantes. El presente estudio caracteriza la dinámica de la pesquería de la bacaladilla en el Mediterráneo noroccidental, una especie acompañante de la pesquería de arrastre de la cigala. Los datos sobre la captura desembarcada y el esfuerzo pesquero de las últimas dos décadas se combinaron con información actual sobre la distribución espacial del esfuerzo pesquero y de la captura, y con la estructura de tallas y edades de la población de bacaladilla a lo largo del año El reclutamiento al hábitat demersal tuvo lugar a partir de los 5 cm TL en el margen de la plataforma continental en primavera (abril-mayo), cuando se detectaron los mayores valores de captura descartada (>95% de la captura). Los adultos se localizaron en el talud-superior y los individuos más grandes (>26 cm TL) fueron abundantes durante el periodo reproductivo (enero-marzo). Se observó un descenso en las capturas durante la última década, probablemente relacionada con la ausencia de episodios intensos de convección profunda en invierno desde el 2013, que favorecen el reclutamiento de la especie. Sin embargo, no se puede obviar el efecto de la explotación ya que la mayor parte de la captura se basa en individuos inmaduros (edad 0).

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Publicado

2022-04-07

Cómo citar

1.
Mir-Arguimbau J, Martín P, Balcells M, Sala-Coromina J, Sabatés A. Dinámica de la pesquería de la bacaladilla, Micromesistius poutassou, una especie acompañante altamente descartada en el Mediterráneo noroccidental. Sci. mar. [Internet]. 7 de abril de 2022 [citado 1 de agosto de 2026];86(1):e025. Disponible en: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/1914

Número

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Artículos

Datos de los fondos

Consejo Superior de Investigaciones Científicas
Números de la subvención CTM2015-68543-R

Generalitat de Catalunya
Números de la subvención 2019FI_B2 00183

European Social Fund
Números de la subvención 2019FI_B2 00183