Biomass estimation of mackerel and horse mackerel stock. To collect data of the distribution of mackerel and horse mackerel eggs, to collect data on fecundity of female mackerel and horse mackerel and to obtain hydrographical data. Mackerel and horse mackerel eggs will be collected with a Gulf VII plankton sampler. Mackerel and horse mackerel samples will be collected with a pelagic trawl.
Cindy J G van Damme (Institute for Marine Resources and Ecosystem Studies, IJmuiden)
ICES Mackerel Egg Survey
International Council for the Exploration of the Sea (ICES)