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Marine Habitat Modification Through Artificial Reefs: an Economic Analysis of the Coastal Fisheries of the Algarve, Southern Portugal

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  • Marine habitats and the fisheries they support may be modified through the use of human-made physical structures placed in the sea. These structures ('artificial reefs') serve a variety of functions, ranging from the traditional practice of food production to newer applications which include mariculture, tourism and resource conservation. The presentation examines the use and potential of artificial reefs, focussing on their role in sustaining coastal fisheries. A range of economic benefits are attributable to artificial reefs, and empirical evidence relating to the performance of the artificial reef system in the Algarve (southern Portugal) is used to demonstrate their potential to increase fishing incomes and to contribute positively to the economy of the region. To ensure that these benefits are captured, however, a clear exploitation strategy is needed in order to control harvesting activity around the reefs and to prevent overfishing. It is argued that, without such a strategy, the economic benefits may prove unsustainable in the long run.
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  • Whitmarsh, David and Miguel Neves Santos. 2006. Marine Habitat Modification Through Artificial Reefs: an Economic Analysis of the Coastal Fisheries of the Algarve, Southern Portugal. In: Proceedings of the Thirteenth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 11-14, 2006, Portsmouth, UK: Rebuilding Fisheries in an Uncertain Environment. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2006. CD ROM. ISBN 0-9763432-3-1
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  • The National Oceanic & Atmospheric Administration Marine Fisheries Service, United States Department of Commerce (NOAA Fisheries); United Kingdom Department for Environment, Food and Rural Affairs (DEFRA); The United States Agency for International Development supported Aquaculture Collaborative Research and Support Program (ACRSP).
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