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ICES Journal of Marine Science: Journal du Conseil 2006 63(4):626-636; doi:10.1016/j.icesjms.2005.12.008
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© 2006 International Council for the Exploration of the Sea

Relationships between wave exposure and biomass of the goose barnacle (Pollicipes pollicipes, Gmelin, 1790) in the Gaztelugatxe Marine Reserve (Basque Country, northern Spain)

Ángel Borja*, Pedro Liria, Iñigo Muxika and Juan Bald

AZTI Foundation, Department of Oceanography and Marine Environment Herrera Kaia, Portualdea s/n, 20110 Pasaia, Spain

*Correspondence to Á. Borja: tel: +34 943004800. e-mail: aborja{at}pas.azti.es.

Marine protected areas play an important role in the conservation of marine resources and fisheries management. In the Basque Country (northern Spain), the small (158 ha) Gaztelugatxe Marine Reserve was established in 1998; after 5 years without exploitation, it is considered likely that the goose barnacle Pollicipes pollicipes populations have recovered. This contribution provides information on the standing stock, and of the relationships between biomass, coverage, and density, and environmental factors such as wave height and energy derived from waves received at the coast. Increasing energy levels produce enhanced coverage and abundance, providing a bigger standing stock in the reserve. Numerical models to simulate the energy produced by waves can be used as a tool to predict the potential biomass of the goose barnacle along the coast. Such an approach allows comparison of observed and predicted biomasses, and possibly also determination of the factors involved in the observed differences, e.g. overexploitation and pollution; this will assist in assessing goose barnacle resources along the coast.

Keywords: assessment, benthic resources, biomass, goose barnacle, marine reserve, wave exposure

Received 30 January 2004; accepted 28 December 2005.


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