(Table 9) Distribution of planktonic foraminifers in ODP Site 112-687
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Species abundance: A = abundant (>10 % of assemblage), C = common (3-10 %), F = few (0.5-3 %), R = rare (<0.5 %), T = tarce (only one or two specimens in entire...
物种多度(Species abundance)分级标准如下:A为丰富种(占群落(assemblage)总个体数的10%以上),C为常见种(占比3%~10%),F为少见种(占比0.5%~3%),R为稀有种(占比<0.5%),T为痕迹种(仅在全部采样中仅发现1或2个标本)



