MEPS

Marine Ecology Progress Series

MEPS is a leading hybrid research journal on all aspects of marine, coastal and estuarine ecology. Priority is given to outstanding research that advances our ecological understanding.

Online: ISSN 1616-1599

Print: ISSN 0171-8630

DOI: https://doi.org/10.3354/meps

Impact Factor2.1 (JCR 2025 release)

Article Acceptance Rate52.2% (2024)

Average Time in Review216 days (2024)

Total Annual Downloads2.995.659 (2025)

Volume contents
Mar Ecol Prog Ser 704:81-97 (2023)

The rationale for heterogeneous inclusion of ecosystem trends and variability in ICES fishing opportunities advice

ABSTRACT: Incorporation of ecosystem information into fish stock assessments and management advice, a cornerstone of delivering ecosystem-based fisheries management (EBFM), occurs often implicitly, faces multiple challenges, and remains often unquantified in terms of scope and scale. This paper provides a comprehensive overview of the inclusion of ecosystem trends and variability in ICES fishing opportunities advice in the Northeast Atlantic, by covering 87% of stocks corresponding to 99% of landings. Just under 50% of all stock assessments considered ecosystem information and the majority of management strategy evaluations did so in at least one way. Almost 73% of the data-rich stocks incorporated ecosystem trends and variability in at least one way, and almost 55% of short-term forecasts did so. Stock (individual growth rate) and fisheries (landings) characteristics largely explained the observed patterns of incorporation of ecosystem information into advice, with pelagic species and stocks with higher landings having higher instances of incorporation. Early stages of the advice process (closer to data analysis and methods development) had greater inclusion of ecosystem information, though this inclusion was generally implicit and not explicit, e.g. based on a hypothesis of environmental influence on stock dynamics. Moving towards explicit instructions and routine documentation of the inclusion of ecosystem information in fishing opportunities advice will accelerate the path to the EBFM in a consistent and transparent manner.

KEYWORDS

V. M. Trenkel (Corresponding Author)

  • DECOD (Ecosystem Dynamics and Sustainability), IFREMER, INRAe, Institut-Agro - Agrocampus Ouest, rue de l’île d’Yeu, 44311 Nantes cedex 3, France
verena.trenkel@ifremer.fr

Henn Ojaveer (Co-author)

  • International Council for the Exploration of the Sea (ICES), H. C. Andersens Boulevard 44-46, 1553 Copenhagen V, Denmark
  • National Institute of Aquatic Resources, Technical University of Denmark, Kemitorvet Building 201, Kgs. Lyngby 2800, Denmark
  • Pärnu College, University of Tartu, Ringi 35, Pärnu 80012, Estonia

David C. M. Miller (Co-author)

  • International Council for the Exploration of the Sea (ICES), H. C. Andersens Boulevard 44-46, 1553 Copenhagen V, Denmark

Mark Dickey-Collas (Co-author)

  • International Council for the Exploration of the Sea (ICES), H. C. Andersens Boulevard 44-46, 1553 Copenhagen V, Denmark
  • National Institute of Aquatic Resources, Technical University of Denmark, Kemitorvet Building 201, Kgs. Lyngby 2800, Denmark