(Table 2) Occurrence of radiolarians in ODP Site 124-769
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species abundances:A = abundant (at least one specimen in each field of view 1000 X), C = common (one specimen in 5 fields), F = few (one specimen per transect), R = rare (fewer...
物种丰度(species abundances)分级标准如下:A代表丰富(1000×视野下每个视野至少存在1个标本),C代表常见(每5个视野存在1个标本),F代表少见(每个样带存在1个标本),R代表稀有(数量更少……



