(Table A1) Abundance of nannofossil marker species and morphotypes in sedimen...
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Relative abundances of taxa or morphotypes were estimated as follows: V = very abundant (>50%), A = abundant (>20 <50%), C = common (>10 <20%), F = few (>1...
类群(taxa)或形态型(morphotypes)的相对丰度可按如下标准估算:V代表极丰富(相对丰度>50%),A代表丰富(相对丰度>20%且<50%),C代表常见(相对丰度>10%且<20%),F代表稀少(相对丰度>1……



