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Widely adopted indicator of fisheries health questioned
Date:11/17/2010

iversity and marine ecosystem health.

"Only through such efforts can we reliably assess human impacts on marine ecosystems."

"We conducted the first large-scale test of whether changes in the average trophic levels of what's caught is a good indicator of ecosystem status," said Beth Fulton, co-author of the paper and an ecosystem modeler with the Commonwealth Scientific and Industrial Research Organisation, Australia.

"Catch data might be easiest to get, but that doesn't help if what it tells us is wrong," said Fulton. "Instead we really need to look directly at what the ecosystems are doing."


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Contact: Cheryl Dybas
cdybas@nsf.gov
703-292-7734
National Science Foundation
Source:Eurekalert  

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