Extension of biomass estimates to pre-assessment periods using density dependent surplus production approach

• Jan Horbowy,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation National Marine Fisheries Research Institute, Gdynia, Poland

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• Maciej T. Tomczak

  Roles Funding acquisition, Methodology, Project administration, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: maciej.tomczak@su.se

  Affiliation Baltic Sea Centre, Stockholm University, Stockholm, Sweden

  http://orcid.org/0000-0001-5956-0115

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