ANGLING NOTES: ANALYSIS of Atlantic salmon- scale data has shown that a proportion of salmon from European rivers that make their way to the feeding grounds off west Greenland has dropped by more than 75 per cent in recent decades.

The Atlantic Salmon Trust (AST) and its partners are now spearheading a project to help solve the mystery of why this is. Advances in micro-satellite DNA profiling now make it possible to identify salmon caught at sea to their natal region, and in some cases to their river of origin in Ireland.

…………Irish Times……09/07/12….read full article feeding mystery