Stochastic Multi-species MSY to Achieve Ecological-Economic Sustainability of a Coral Reef Fishery System in French Polynesia

被引:3
作者
Lagarde, Adrien [1 ]
Doyen, Luc [1 ]
Claudet, Joachim [2 ]
Thebaud, Olivier [3 ]
机构
[1] Univ Bordeaux, CNRS, GRETHA, UMR 5113, Av Leon Duguit, F-33608 Pessac, France
[2] PSL Univ Paris, EPHE, CNRS, UPVD,Maison Oceans,CRIOBE,USR 3278, 195 Rue St Jacques, F-75005 Paris, France
[3] Univ Brest, CNRS, IFREMER, AMURE,Unite Econ Maritime,IUEM,UMR 6308, F-29280 Plouzane, France
关键词
Ecological-economics; Biodiversity; Ecosystems; Scenarios; Small-scale fisheries; Sustainability; Resilience; French Polynesia; MARINE ECOSYSTEMS; CLIMATE-CHANGE; FOOD SECURITY; RESILIENCE; MANAGEMENT; IMPACT; YIELD; CONSERVATION; POLICIES; MODEL;
D O I
10.1007/s10666-022-09847-0
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
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, socio-economic 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.
引用
收藏
页码:771 / 789
页数:19
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