Scientists question fisheries health test
Wednesday, November 24, 2010 - 18:00
in Biology & Nature
A measure widely advocated as a means of assessing the health of marine ecosystems is an ineffective guide to trends in biodiversity, and more direct monitoring is needed, a new study has found. The findings - published this week in Nature - followed an examination of whether changes in fishery catches reflect changes in the structure of marine food webs, and therefore are a suitable guide to assess the impacts of fishing on marine ecosystem health...