scomparing countries' current percent dependence on marine foods for nutrition compared with projected change in max potential  from marine fisheries. The percentage of animal sources foods consumed that originate from a marine environment. Countries with higher dependence are indicated by darker shades . Projected percent change in MCP of marine fisheries under 1.6°C global warming and >4°C global warming from recent past  to end of 21st century  in countries' Exclusive Economic Zones  . Darker shades indicate greater percent reduction . Countries  that have overlap between high nutritional dependence and high reduction in MCP under two warming scenarios. 
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report