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North Atlantic Salmon Conservation Organization
Conserving and restoring wild Atlantic salmon

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Scientific Advice

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Microtagging smolts
Courtesy of Lars Hansen
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NASCO seeks to base its management measures on the best available scientific information, recognising that under the Precautionary Approach the absence of sound scientific information should not be used as a reason for failing to take appropriate action. NASCO requires scientific advice that is free from political influence, that is clearly presented to managers, and that provides an assessment of risks associated with the different catch options.

Advice on the status of stocks, on the effectiveness of management measures, on monitoring needs and research requirements, and on catch options (or alternative management advice) is provided annually by the International Council for the Exploration of the Sea (ICES). NASCO has agreed a Memorandum of Understanding (MoU) with ICES concerning the provision of scientific advice and other aspects of the relationship between the two organizations. Read more...

Much progress has been made by the scientific community in providing a scientific basis for establishing regulatory measures. In recent years there has been a marked reduction in the abundance of salmon, prior to any fisheries, particularly for multi-sea-winter fish in the southern regions of the species’ range. This decline in abundance is linked to increasing mortality at sea, but reductions in the fisheries have meant that the decline in the number of spawners has been less marked.

OSPAR is the mechanism by which fifteen Governments of the western coasts and catchments of Europe, together with the European Community, cooperate to protect the marine environment of the North-East Atlantic. NASCO has agreed a Memorandum of Understanding (MoU) with the OSPAR Commission concerning cooperation between the two organizations. Read more...

The most recent scientific advice from ICES was developed in 2014. Read more...

Earlier advice can be accessed from the table below:


SE
Abundance of Southern European Salmon
(Source: ICES)
 
NA
Abundance of North American Salmon
(Source: ICES)