Mixed stock fisheries in cod examined through genetic analyses




Central and West Jutland

Estimating proportions of stocks targeted in mixed fisheries is of major importance for sustainable fisheries management. Genetics has emerged as a powerful tool to identify population of origin in a range of fished species. In this project, genetic data will be analysed in samples of Atlantic cod collected in the Kattegat where mixing of local cod and cod of North Sea origin occurs. We will analyse both new samples collected from the fishery and DNA extracted from otoliths to examine patterns of mixing in space and time. Data will be directly relevant for the stock assessment of cod in the region. Laboratory analyses will be conducted in the genetics laboratory in Silkeborg, and interpretation and dissemination of results will involve close collaboration with colleagues in Lyngby.

Photo credit: Line Reeh

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DTU Aqua


Jakob Hemmer Hansen




Supervisor info

MSc in Aquatic Science and Technology


Jakob Hemmer Hansen


MSc thesis

Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.

Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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