Applicability of the current stock assessment models to the priority azorean fishery resources

Leal, Wendell Medeiros; Pinho, Mário Rui; Santos, Régis

http://hdl.handle.net/10400.3/6669

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Authors

Leal, Wendell Medeiros

Pinho, Mário Rui

Santos, Régis

Abstract(s)

This work presents a guidance to conduct stock assessment based on ICES Maximum Sustainable Yield framework. A cross-analysis based on the models’ assumptions and inputs and data available for 22 Azorean priority stocks was performed to assess the applicability of each model to each stock. Information currently available for coastal and some demersal/deep-water stocks limits the use of most models validated by ICES. Only four demersal/deep-water stocks (Pagellus bogaraveo, Helicolenus dactylopterus, Phycis phycis, and Pontinus kuhlii) have data availability and quality enough to perform trend analysis, length-based and catch and survey-based methods. The next steps involve validating life-history parameters, evaluating model performances, and applying alternative tools for data-deficient stocks. Additional monitoring programs are of utmost importance, which must collect missing information and clarify stock delimitation to improve assessment quality. This study guides future stock assessment actions and highlights data gaps where future research should focus.

Keywords

Coastal Commercial Species Demersal ICES MSY Framework Priority Stocks

URI

http://hdl.handle.net/10400.3/6669

Citation

Medeiros-Leal, W., M. Pinho and Régis Santos (2022). Applicability of the current stock assessment models to the priority azorean fishery resources. “Arquipelago. Life and Marine Sciences”, 38: 7-16. https://doi.org/10.25752/arq.26536.