Trophic indicators in fisheries: a call for re-evaluation.

Abstract

Mean trophic level (MTL) of landings and primary production required (PPR) by fisheries are increasingly used in the assessment of sustainability in fisheries. However, in their present form, MTL and PPR are prone to misinterpretation. We show that it is important to account for actual catch data, define an appropriate historical and spatial domain, and… (More)
DOI: 10.1098/rsbl.2012.1050

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