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This paper concluded that reduction of physical wellness of plaice and dab could be attributed to a lower quality diet and potentially lower feeding efficiency.
AUTHORS: : Johnson, A.F., Gorelli, G., Jenkins, S.R., Hiddink, J.G. and Hinz, H.
DATE: January 2015
For two commercially important flatfish species, plaice (Pleuronecttes platessa) and dab (Limanda limanda), this article addresses how bottom trawling impacts the prey availability and diet in the Irish Sea. It found that reductions in local prey availability did not lead to reduced feeding: rather, as trawling intensified, both fish and prey biomass declined. This pattern carried over to sites that had low prey biomass: the ratio between the plaice/dab and their prey remained proportional. The plaice’s diet, however, saw a shift toward energy-poor prey.
Downloaded over 4,200 times and mentioned over 100 times on social media, this paper concluded that reduction of physical wellness of plaice and dab could be attributed to a lower quality diet and potentially lower feeding efficiency. These results provided critical insight to designing effective mitigation measures for bottom trawl fisheries management.