Joint management of marine mammals and a fish species: The case of cod and grey seals in the Nordic-Baltic Sea countries

Research output: Contribution to journalJournal articleResearchpeer-review

  • Johan Blomquist
  • Jensen, Frank
  • Staffan Waldo
  • Ola Flaaten
  • Maija K. Holma

In this paper, we present a simple theoretical, steady-state equilibrium, predator-prey model for the joint management of marine mammals and a fish species. As an empirical case, we choose cod and grey seals in the Nordic-Baltic Sea countries, and several benefits and costs related to the latter are considered. We show that the optimal grey seal population is much lower than the actual population, and this result is robust to variations in relevant parameter values. This result can be explained by the fact that the profit from harvesting cod is much higher than the net benefits from grey seals.

Original languageEnglish
Article numbere12341
JournalNatural Resource Modeling
Issue number4
Number of pages29
Publication statusPublished - 2022

Bibliographical note

Publisher Copyright:
© 2022 The Authors. Natural Resource Modeling published by Wiley Periodicals LLC

    Research areas

  • cod, grey seals, joint management, Nordic-Baltic Sea Countries

Number of downloads are based on statistics from Google Scholar and

No data available

ID: 300446063