Mackerel stock drastically underestimated

A study of the North Atlantic’s mackerel stocks by independent scientist Jens Christian Holst asks some uncomfortable questions of the current methods fisheries management and research. He suggests that feeding by a mackerel stock that has outgrown its usual food sources is the reason for declining seabird and salmon stocks, and that the size of the spawning stock has been drastically underestimated.

Continue ReadingMackerel stock drastically underestimated