Figure F17. Abundances of sea ice diatoms, sea ice dinoflagellates, planktonic foraminifer species Neogloboquadrina pachyderma (sinistral), and subpolar species Neogloboquadrina pachyderma (dextral), Globigerina bulloides, and Globigerina umbilicata. B = barren, P = present, R = rare, F = few, A = abundant, D = dominant. Sea ice diatom species considered include Thalassiosira antarctica spores, Dentonula confervacea, Fragilariopsis cylindrus, and Porosira glacialis.
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