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Economic and ecosystem impacts of illegal, unregulated and unreported (IUU) fishing in Northern Australia

Author

Listed:
  • Pascoe, Sean
  • Okey, Tomas A.
  • Griffiths, Shane

Abstract

Illegal foreign fishing for sharks in Northern Australia has increased substantially over the last two decades. This has likely resulted in declines of shark species abundance, with potentially far-reaching impacts on the ecosystem. This, in turn, could also have indirectly affected the legal prawn, shark, and other fisheries in the region through changed predation patterns and direct removal of targets. The prawn fishery in Northern Australia is currently one of Australia’s most valuable fisheries. Sharks themselves are also a major target species by many Queensland and Northern Territory fishers. In this article, an ecosystem model developed in the Ecopath with Ecosim framework is used to estimate the impacts of illegal shark fishing on the remaining system, and the potential economic impacts on commercial fisheries in the region.

Suggested Citation

  • Pascoe, Sean & Okey, Tomas A. & Griffiths, Shane, . "Economic and ecosystem impacts of illegal, unregulated and unreported (IUU) fishing in Northern Australia," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society.
  • Handle: RePEc:ags:aareaj:161897
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    References listed on IDEAS

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    1. Schrank, William E., 2005. "The Newfoundland fishery: ten years after the moratorium," Marine Policy, Elsevier, vol. 29(5), pages 407-420, September.
    2. Sumaila, Ussif Rashid & Vasconcellos, Marcelo, 2000. "Simulation of ecological and economic impacts of distant water fleets on Namibian fisheries," Ecological Economics, Elsevier, vol. 32(3), pages 457-464, March.
    3. Gray, Matthew & Altman, Jon & Halasz, Natane, 2005. "The Economic Value of Wild Resources to the Indigenous Community of the Wallis Lakes Catchment," MPRA Paper 1392, University Library of Munich, Germany.
    4. Griggs, L. & Lugten, G., 2007. "Veil over the nets (unravelling corporate liability for IUU fishing offences)," Marine Policy, Elsevier, vol. 31(2), pages 159-168, March.
    5. Sean Pascoe & Amy Burnett, 2007. "Recovering from overexploitation: the European fisheries of the North Sea," International Journal of Global Environmental Issues, Inderscience Enterprises Ltd, vol. 7(2/3), pages 158-173.
    6. Sumaila, U.R. & Alder, J. & Keith, H., 2006. "Global scope and economics of illegal fishing," Marine Policy, Elsevier, vol. 30(6), pages 696-703, November.
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