(Table 9) Occurrence of selected diatom species in ODP Hole 119-745B
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Species abundance: A = abundant (>2 specimens in one field of view (X1800)), C = common (1 specimen in 2 fields), F = few (1 specimen in each horizontal transect), R = rare...
物种丰度（Species abundance）分级如下：A代表丰富（单视野（X1800，即放大1800倍）内观测个体数＞2）；C代表常见（每2个视野内出现1个观测个体）；F代表少见（每条水平样带内出现1个观测个体）；R代表稀有……
