Ecosystem overviews

Bay of Biscay and the Iberian Coast Ecoregion description

The ICES Bay of Biscay and the Iberian Coast ecoregion covers the southwestern shelf seas and adjacent deeper eastern Atlantic Ocean waters of the EU.

​​​​​​​​​​​​​​​​​The ecoregion includes waters from Brittany to the Gulf of Cadiz; four key areas constitute the ecoregion:

  • the Bay of Biscay, characterized by a wide shelf extending west of France. Upwelling events occur in summer off southern Brittany and low-salinity water lenses are associated with the river outflows of the Landes coastline
  • the northern Iberian Shelf, characterized by a narrow shelf with summer upwelling events off Galicia
  • the western Iberian Shelf, characterized by a narrow shelf west of Portugal with summer upwelling events
  • the Gulf of Cadiz, characterized by a wider shelf strongly influenced by input of warm Mediterranean waters
The ecoregion includes parts of three Exclusive Economic Zones (EEZs) of EU Member States and a small portion of high seas. Fisheries in the Bay of Biscay and the Iberian Coast are managed under the Common Fisheries Policy (CFP), with some fisheries managed by the North East Atlantic Fisheries Commission (NEAFC) and by coastal states. Responsibility for salmon fishery management lies with the North Atlantic Salmon Conservation Organization (NASCO) and for large pelagic fish with the International Commission for the Conservation of Atlantic Tunas (ICCAT). Fisheries advice is provided by the International Council for the Exploration of the Sea (ICES), the European Commission’s Scientific Technical and Economic Committee for Fisheries (STECF), and the South West Waters Advisory Council (SWWAC). 

Environmental policy is managed by national agencies and OSPAR, with advice being provided by national agencies, OSPAR, the European Environment Agency (EEA), and ICES. International shipping is managed under the International Maritime Organization (IMO).​
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The Bay of Biscay and the Iberian Coast ecoregion, showing EEZs and larger offshore Natura 2000 sites.​ Click image to enlarge.

 

 
Catchment area for the Bay of Biscay and the Iberian Coast ecoregion, showing major cities, ports, and ICES areas. Click image to enlarge.
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Bay of Biscay and the Iberian Coast Ecoregion description

International Council for the Exploration of the Sea (ICES) · Conseil International pour l'Exploration de la Mer (CIEM)
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