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Stochastic Multi-species MSY to Achieve Ecological-Economic Sustainability of a Coral Reef Fishery System in French Polynesia
THEBAUD, Olivier
Aménagement des Usages des Ressources et des Espaces marins et littoraux - Centre de droit et d'économie de la mer [AMURE]
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Aménagement des Usages des Ressources et des Espaces marins et littoraux - Centre de droit et d'économie de la mer [AMURE]
Idioma
EN
Article de revue
Este ítem está publicado en
Environmental Modeling & Assessment. 2022-09, vol. 27, n° 5, p. 771-789
Resumen en inglés
This paper investigates the ecological-economic sustainability of coral reef socio-ecological systems under fishing and environmental pressures. To achieve this, a dynamic, spatially explicit, multi-species, multi-fleet ...Leer más >
This paper investigates the ecological-economic sustainability of coral reef socio-ecological systems under fishing and environmental pressures. To achieve this, a dynamic, spatially explicit, multi-species, multi-fleet fisheries model is developed. Stochastic environmental shocks are assumed to alter coral cover and consequently the entire coral reef social-ecological system. The model is calibrated using ecological, socioeconomic and environmental data in French Polynesia. Four exploratory fishing strategies and a goal-seeking strategy entitled Stochastic Multi-Species Maximum Sustainable Yield (SMMSY) are compared in terms of ecological-economic outcomes and sustainability of the socio-ecological system. The SMMSY turns out to promote ecological-economic sustainability. It is characterised by a global increase in fishing effort pointing to the relative current under-exploitation of the fishery. SMMSY balances the trophic level of catches after natural shocks and sustains the fundamental herbivore grazing process. SMMSY strategies are also more diversified in terms of temporality, gears, spatial distribution of fishing and target species.< Leer menos
Palabras clave en inglés
Ecological-economics
Biodiversity
Ecosystems
Scenarios
Small-scale fisheries
Sustainability
Resilience
French Polynesia
Proyecto ANR
Capacité d'adaptation, résilience et changement de régime des récifs coralliens au sein des systèmes côtiers socio-écologiques - ANR-14-CE03-0001
Centros de investigación