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Abstract

Transfer efficiency is a key parameter describing ecosystem structure and function and is used to estimate fisheries production; however, it is also one of the most uncertain parameters.Questions remain about how habitats, food resources, fishing pressure, spatiotemporal scales, as well as temperature, primary production, and other climate drivers impact transfer efficiency.Direct measurements of transfer efficiency are difficult, but observations of marine population abundances, diets, productivity, stable isotope analysis, and models integrating these constraints can provide transfer efficiency estimates.Recent estimates suggest that transfer efficiency is more variable than previously thought, compounding uncertainties in marine ecosystem predictions and projections.Increased understanding of factors contributing to variation in transfer efficiency will improve projections of fishing and climate change impacts on marine ecosystems.

Item Type:	Article
Authors/Creators:	Eddy, TD and Bernhardt, JR and Blanchard, JL and Cheung, WWL and Colleter, M and du Pontavice, H and Fulton, EA and Gascuel, D and Kearney, KA and Petrik, CM and Roy, T and Rykaczewski, RR and Selden, R and Stock, CA and Wabnitz, CCC and Watson, RA
Keywords:	food web, trophic ecology, energy transfer
Journal or Publication Title:	Trends in Ecology and Evolution
Publisher:	Elsevier Science London
ISSN:	0169-5347
DOI / ID Number:	10.1016/j.tree.2020.09.006
Copyright Information:	Crown Copyright 2020 Elsevier Ltd.
Related URLs:	Google Scholar: Blanchard, JL UTAS Profile: Blanchard, JL Google Scholar: Watson, RA UTAS Profile: Watson, RA
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