Figure F1. South Atlantic circulation and areas of high productivity (hatched). Stippled areas = shallower than 3 km. From Berger and Wefer (1996a), after Peterson and Stramma (1991) and Tomczak and Godfrey (1994), modified according to chlorophyll distribution as seen in satellite images (see Berger and Wefer, 1996a, fig. 4).