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The phycotoxins׳ impact on the revenue of the Portuguese artisanal dredge fleet

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  • Oliveira, M.M.
  • Camanho, A.S.
  • Gaspar, M.B.

Abstract

The bivalve dredge fleet, considered as one of the most important artisanal fleets due to the high value of the catches, is by far the most extensively studied among the Portuguese artisanal segment. Acknowledging the growing presence of marine phycotoxins in the waters, the present study explores their impact on the revenue of the fleet that operates along the coast of mainland Portugal. The results obtained using stochastic frontier analysis models enlighten the harmful impact of algae blooms on the activity of the artisanal dredge fleets. In particular, it was observed that in the Algarve region, where the frequency and the intensity of these episodes is higher, the sustainability of the dredge fishing activity is seriously compromised by the phycotoxins.

Suggested Citation

  • Oliveira, M.M. & Camanho, A.S. & Gaspar, M.B., 2015. "The phycotoxins׳ impact on the revenue of the Portuguese artisanal dredge fleet," Marine Policy, Elsevier, vol. 52(C), pages 45-51.
    • Handle: RePEc:eee:marpol:v:52:y:2015:i:c:p:45-51
    DOI: 10.1016/j.marpol.2014.10.022
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    References listed on IDEAS

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    1. Oliveira, M.M. & Camanho, A.S. & Gaspar, M.B., 2014. "Enhancing the performance of quota managed fisheries using seasonality information: The case of the Portuguese artisanal dredge fleet," Marine Policy, Elsevier, vol. 45(C), pages 114-120.
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