. So â 100 SEA MILES FROM LAND Fig. 64. Distribution of the main groups of microplankton, estimated totals per net haul, survey I, Orange river line, 12-14 March 1950. On the Walvis Bay line Protozoa and Metazoa were present only in very moderate numbers, their relative importance greatly increasing beyond the point where the rich diatom plankton declined. Yet again this transition zone was the only point where 'other plants' were noted. Rich inshore conditions persisted right out to the seaward end of the short mid-intermediate line, with large volumes, very large numbers of diatoms, and rela


. So â 100 SEA MILES FROM LAND Fig. 64. Distribution of the main groups of microplankton, estimated totals per net haul, survey I, Orange river line, 12-14 March 1950. On the Walvis Bay line Protozoa and Metazoa were present only in very moderate numbers, their relative importance greatly increasing beyond the point where the rich diatom plankton declined. Yet again this transition zone was the only point where 'other plants' were noted. Rich inshore conditions persisted right out to the seaward end of the short mid-intermediate line, with large volumes, very large numbers of diatoms, and relatively few Dinophyceae (Fig. 61).


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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti