Copyrights of the datasets:
1) "STECF 21-01 adhoc": https://ec.europa.eu/info/legal-notice_en
2) "Stock assessment database (ICES)": http://www.ices.dk/data/Documents/ICES-Data-policy.pdf

Copyrights of the figure: EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).