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    <skos:definition xml:lang="en">The Danish Institute for Fisheries Research (DIFRES) is a      research institution which carries out research, investigations      and provides advice concerning sustainable exploitation of live      marine and fresh water resources. DIFRES deals with chain      considerations from water to table. This includes interaction      between the water environment and productivity and variation of      the fish stocks, methods for assessment of the sizes of fish      stocks, development of methods for sustainable fisheries      management, and stock enhancement. Moreover, processing and      improvement of fish products as well as quality assurance in the      fish industry are important parts of the research areas of the      institution.            Website: &apos;http://www.aqua.dtu.dk/english&apos;            [Summary provided by Danish Institute for Fisheries Research]</skos:definition>
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