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Survey Reports - 2011

No 4: FF Johan Hjort cruise report 2011

Norwegian part of the ICES co-ordinated herring and sprat acoustic survey for the North Sea and adjacent areas. This acoustic survey (HERAS) is planned and co-ordinated by the Working Group for International Pelagic Surveys (WGIPS 2011). Six countries cooperate in surveying the North Sea and Div. IIIa for an acoustic abundance estimation of herring and sprat.

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