Sardine spawning biomass estimation (ICES areas IXa and VIIIc) through the application of DEPM in 2014

Surveys for the application of the DEPM to estimate the sardine spawning biomass within the Atlanto-Iberian stock area are conducted every three years by IPMA (Instituto Portugués do Mar e da Atmosfera, Portugal) and IEO (Instituto Español de Oceanografía, Spain). DEPM surveys consisted of ichthyopl...

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Bibliographic Details
Main Authors: Angélico, M.M. (María Manuel), Díaz-Conde, M.P. (María Paz), Lago-de-Lanzós-y-Tomás, A. (Ana), Nunes, C. (Cristina), Pérez-Pérez, J.R. (José Ramón)
Format: Report
Language:English
Published: Centro Oceanográfico de Vigo
Subjects:
Sardine
DEPM
Spawning Stock Biomass
ICES Areas IXa and VIIIc
North Atlantic
Northeast Atlantic
Online Access:http://hdl.handle.net/10508/9115
Description
Summary:Surveys for the application of the DEPM to estimate the sardine spawning biomass within the Atlanto-Iberian stock area are conducted every three years by IPMA (Instituto Portugués do Mar e da Atmosfera, Portugal) and IEO (Instituto Español de Oceanografía, Spain). DEPM surveys consisted of ichthyoplankton, adults and hydrographic sampling and are internationally coordinated and planned within the framework of ICES WGACEGG.This working document provides a description of the surveys, laboratory analyses and estimation procedures used to obtain egg and preliminary adults parameters for the 2014 DEPM application to the Atlanto-Iberian sardine stock. A preliminary estimation of spawning stock biomass (SSB) is also presented.

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