Balancing economics and ecology in ocean ecosystems: A bioeconomic predator-prey model

Khalid Outaaoui, Ilham Ait El Harch and Youssef EL Foutayeni

Ecological Modelling, 2025, vol. 508, issue C

Abstract: This study presents a game-theoretic model that links ecological dynamics with economic decision making in the context of Moroccan fisheries. Focusing on the interaction between European anchovy (Engraulis encrasicolus) and Anglerfish (Lophius budegassa), the model captures predator–prey relationships and enterprise-level fishing behavior. By integrating differential equations with strategic optimization, we analyze how two competing fishing sectors FENIP and MIPROMER can maximize economic returns under biological constraints. The equilibrium solutions derived through Nash-based methods highlight scenarios where both profitability and ecosystem balance can be maintained. These results provide actionable insights for designing more adaptive and sustainable fisheries policies.

Keywords: Bioeconomic model; Prey-predator model; Fishing effort; Maximizing profits for each enterprise; Optimization techniques (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:508:y:2025:i:c:s0304380025002297

DOI: 10.1016/j.ecolmodel.2025.111243

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