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Updated: Jun 17, 2026

Laboratory Estimation of Net Trophic Transfer Efficiencies of PCB Congeners to Lake Trout (Salvelinus namaycush) from Its Prey
Published on: August 29, 2014
Comment on "Tracking the global footprint of fisheries"
R O Amoroso1, A M Parma2, C R Pitcher3
1School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA 98103, USA. ramoroso@uw.edu.
Abstract:
Kroodsma et al (Reports, 23 February 2018, p. 904) mapped the global footprint of fisheries. Their estimates of footprint and resulting contrasts between the scale of fishing and agriculture are an artifact of the spatial scale of analysis. Reanalyses of their global (all vessels) and regional (trawling) data at higher resolution reduced footprint estimates by factors of >10 and >5, respectively.
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