For example, Canada’s Atlantic cod stocks, once bountiful, have never recovered in spite of some 20 years of moratorium. Even today some remain at only about 2-3% of the numbers in the 1960?s.

The report studied 153 marine stocks worldwide, while modelling recovery times for 184 recorded depletion events.

Source: http://www.rcinet.ca/en/2013/04/30/immediate-action-needed-to-save-fish-stocks/