The role of illegal fishing on the sustainability of the coastal fishery in French Guiana

Coralie Kersulec (), Hélène Gomes (), Luc Doyen () and Fabian Blanchard ()
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Coralie Kersulec: University of Warsaw
Hélène Gomes: AZTI, Marine Research, Basque Research and Technology Alliance (BRTA)
Luc Doyen: CEE-M (Center for Environmental Economics - Montpellier)
Fabian Blanchard: University of Guyane

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2025, vol. 27, issue 6, No 42, 13437 pages

Abstract: Abstract In order to promote a more sustainable management of marine biodiversity, ecosystems and fisheries, numerous experts recommend implementing an Ecosystem-Based Fisheries Management (EBFM). The idea underlying EBFM is to consider various complexities, including trophic, habitat and socio-economic interactions. Illegal, unreported and unregulated (IUU) fishing is a significant element of these complexities, especially for small-scale fisheries. We advance the EBFM on the coastal fishery of French Guiana, considering the high impact of IUU fishing in this case study. We rely on a multi-species resource-based dynamics and a multi-fleet model integrating IUU fishing. From the calibrated model, two contrasted projections, including IUU fishing or not, highlight the impact of illegal fishing on the ecosystem and fishery dynamics. Our results stress the considerable potential bio-economic gains in biomass, catch and landed value associated with reducing illegal fishing. Policy recommendations are deduced from these findings.

Keywords: Small-scale fisheries; IUU fishing; EBFM; Sustainability; Bio-economics; Multi-species; Multi-fleet; Swim bladder; Rational choice theory (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s10668-023-04413-4

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