Fisheries: Measuring biodiversity in marine ecosystems

[MKLau]

http://www.nature.com/nature/journal/v468/n7322/full/468385a.html

Fisheries: Measuring biodiversity in marine ecosystems

Joseph E. Powers
Nature 468, 385–386 (18 November 2010) doi:10.1038/468385a
Published online 17 November 2010
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The use of catch data to determine indicators of biodiversity such as 'mean trophic level' does not adequately measure ecosystem changes induced by fishing. Improved ways to assess those changes are required. See Letter p.431