WGBIE

WGBIE

Working Group for the Bay of Biscay and the Iberic Waters Ecoregion

 

 

WGBIEWGBIETrueLisa ReaddyACOMlisa.readdy@cefas.co.uk126Working Group for the Bay of Biscay and the Iberic Waters Ecoregion

Working Group for the Bay of Biscay and the Iberian Waters Ecoregion (WGBIE) carry out stock assessments and catch forecasts on Northeast Atlantic shelf fish stocks and provide a first draft of the ICES advice for all the stocks.

​​​​​​​​​​​​​​​​​​WGBIE consists of scientific experts from the Advisory Committee (ACOM) from 5 countries (France, Ireland, Portugal, Spain, and the UK) who meet once a year. The main task of the group is to carry out stock assessments and catch forecasts as well as to provide scientific analysis which serve as a basis for management advice and related topics delivered by ACOM.

Depending on stock biological characteristics and knowledge and on data availability, there are several methods used for such assessments and projections. These include analytical assessments using age-structured or age-length structured models and surplus-production model (without age or length structure). For stocks with limited data availability, no analytical assessments are provided and the state of the stocks is inferred from examination of commercial LPUE or CPUE data as well as from survey information.

The stocks assessed within WGBIE are distributed over a large area of the Northeast Atlantic shelf from ICES Division IIIa to IXa. There are currently 24 stocks in WGBIEs remit:

  • 2 stocks of hake (Hake in Division IIIa, Subareas IV, VI and VII and Divisions VIIIa,b,d and Hake in Divisions VIIIc and IXa)
  • 4 of anglerfish (Lophius piscatorius and L. budegassa in Divisions VIIb-k and VIIIa,b,d and L. piscatorius and L. budegassa in Divisions VIIIc and IXa)
  • 3 of megrim (Lepidorhombus whiffiagonis in Divisions VIIb-k and VIIIa,b,d and Lepidorhombus boscii and L. Whiffiagonis in Divisions VIIIc and IXa)
  • 2 of sole (Sole in Divisions VIIIa,b - Bay of Biscay and Sole in Divisions VIIIc and IXa)
  • 1 of plaice (Plaice in Subarea VIII and Division XIa)
  • 1 of pollack (Pollack in Subarea VIII and Division XIa)
  • 1 of whiting (Whiting in Subarea VIII and Division XIa)
  • 1 of grey gurnard (Grey gurnard in Subarea VIII and Division IXa)
  • 2 functional units of Nephrops in Divisions VIIIa,b,
  • 2 functional units of Nephrops in Division VIIIc and
  • 5 functional units of Nephrops in Division IXa.

These stocks are exploited by a large variety of fleets and gears, including bottom-water and midwater trawl, nets, and long lines.

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WGBIE

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