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Millennium Ecosystem Assessment
Uploaded on Tuesday 21 Feb 2012
Collapse of Atlantic cod stocks off the East Coast of Newfoundland in 1992
Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
From the late 1950s, offshore bottom trawlers began exploiting the deeper part of the stock, leading to a large catch increase and a strong decline in the underlying biomass. Internationally agreed quotas in the early 1970s and, following the declaration by Canada of an Exclusive Fishing Zone in 1977, national quota systems ultimately failed to arrest and reverse the decline.