A new evidence for the regime shift has been found as to the tuna populations in the northwest Pacific to show that the regime shift is the universal principle throughout fish groups not only at lower trophic levels but at higher levels. The regime shift has been driven by the cyclic climate change resulting from a shift in the patterns of overturning in the northern North Atlantic. Global warming may shut down one of the two downwelling sites linked to formation of the North Atlantic Deep Water, NADW, and destroy the system of regime shift itself.
Kawasaki, T. Global Warming Could Have a Tremendous Effect on the World Fisheries Production. In: Microbehavior and Macroresults: Proceedings of the Tenth Biennial Conference of the International Institute of Fisheries Economics and Trade, July 10-14, 2000, Corvallis, Oregon, USA. Compiled by Richard S. Johnston and Ann L. Shriver. International Institute of Fisheries Economics and Trade (IIFET), Corvallis, 2001.