Data from: Stable isotopes reveal the effect of trawl fisheries on the diet of commercially exploited species

Hilmar Hinz, Joan Moranta, Stephen Balestrini, Marija Sciberras, Julia R. Pantin, James Monnington, Alex Zalewski, Michel J. Kaiser, Mattias Sköld, Patrik Jonsson, Francois Bastardie & Jan Geert Hiddink
Bottom trawling can change food availability for benthivorous demersal species by (i) changing benthic prey composition through physical seabed impacts and (ii) by removing overall benthic consumer biomass increasing the net availability of benthic prey for remaining individuals. Thus trawling may both negatively and positively influence the quantity and quality of food available. Using δ13C and δ15N we investigated potential diet changes of three commercially exploited species across trawling gradients in the Kattegat (plaice, dab...
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