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Fishing tuna around Fish Aggregating Devices (FADs) vs free swimming schools: Skipper decision and other determining factors

Author

Listed:
  • Patrice Guillotreau

    (LEMNA - Laboratoire d'économie et de management de Nantes Atlantique - IEMN-IAE Nantes - Institut d'Économie et de Management de Nantes - Institut d'Administration des Entreprises - Nantes - UN - Université de Nantes, UMR EME - Ecosystèmes Marins Exploités - IRD - Institut de Recherche pour le Développement - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - UM - Université de Montpellier)

  • Frédéric Salladarré

    (CREM - Centre de recherche en économie et management - UNICAEN - Université de Caen Normandie - NU - Normandie Université - UR - Université de Rennes - CNRS - Centre National de la Recherche Scientifique)

  • Patrice Dewals

    (UMR EME - Ecosystèmes Marins Exploités - IRD - Institut de Recherche pour le Développement - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - UM - Université de Montpellier)

  • Laurent Dagorn

    (UMR EME - Ecosystèmes Marins Exploités - IRD - Institut de Recherche pour le Développement - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - UM - Université de Montpellier)

Abstract

Fish Aggregating Devices (FADs) are increasingly used by tuna purse-seine fleets all around the world, modifying the species catch composition. We analyse the determinants of FAD vs free school (FS) fishing, including the skipper effect, and environmental and economic factors. A multivariate and econometric analysis of a panel dataset for the French purse-seine fleet in the Indian Ocean (1980-2007), complemented by a survey of fishers, demonstrates the influential role of climate and prey on FAD fishing and also emphasises individual skipper preference. However, we found that the major determinant of FAD fishing remains the growing fishing capacity (use of bigger vessels, satellite buoys, echo-sounders, supply vessels), thus modifying the species catch composition towards smaller tuna. Other things being equal, raising the proportion of FAD sets by 1% would increase the catches of skipjack by 1.3% and decrease those of large yellowfin tuna by 1.7%. This result shows that the control of effort and investment could be adapted through management measures to encourage one fishing method.

Suggested Citation

  • Patrice Guillotreau & Frédéric Salladarré & Patrice Dewals & Laurent Dagorn, 2011. "Fishing tuna around Fish Aggregating Devices (FADs) vs free swimming schools: Skipper decision and other determining factors," Post-Print halshs-00632070, HAL.
    • Handle: RePEc:hal:journl:halshs-00632070
    DOI: 10.1016/j.fishres.2011.02.007
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    Citations

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    Cited by:

    1. François-Charles Wolff & Dale Squires & Patrice Guillotreau, 2013. "The Firm's Management in Production: Management, Firm, and Time Effects in an Indian Ocean Tuna Fishery," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 95(3), pages 547-567.
    2. Murillas-Maza, Arantza & Moreno, Gala & Murua, Jefferson, 2013. "A socio-economic sustainability indicator for the Basque tropical tuna purse-seine fleet with a FAD fishing strategy," Economia Agraria y Recursos Naturales, Spanish Association of Agricultural Economists, vol. 13(02), pages 1-27, December.
    3. Davies, Tim K. & Mees, Chris C. & Milner-Gulland, E.J., 2014. "The past, present and future use of drifting fish aggregating devices (FADs) in the Indian Ocean," Marine Policy, Elsevier, vol. 45(C), pages 163-170.
    4. Davies, Tim K. & Mees, Chris C. & Milner-Gulland, E.J., 2015. "Second-guessing uncertainty: Scenario planning for management of the Indian Ocean tuna purse seine fishery," Marine Policy, Elsevier, vol. 62(C), pages 169-177.
    5. Groba, Carlos & Sartal, Antonio & Bergantiños, Gustavo, 2019. "Optimization of tuna shing logistic routes through information sharing policies: A game theory-based approach," MPRA Paper 96938, University Library of Munich, Germany.
    6. Daniel Ovando & Gary D. Libecap & Katherine D. Millage & Lennon Thomas, 2020. "Coasean Approaches to Ending Overfishing: Bigeye Tuna Conservation in the Western and Central Pacific Ocean," NBER Working Papers 27801, National Bureau of Economic Research, Inc.

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