This mega-shift in ocean productivity from south to north over the next three to four decades will leave those most reliant on fish for both food and income high and dry.
"The shift is already happening, we've been measuring it for the last 20 years," said Daniel Pauly, a renowned fisheries expert at the University of British Columbia (UBC).
Pauly told IPS that the recently documented rises in ocean acidity and anoxia levels in many parts of the ocean were not part of this study but will be part of future reports. Nor were the observed changes in plankton production.
"This estimate is conservative," he explained. "We will likely project significant additional reductions in fish catch."
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