(Table 6) Planktonic foraminifer species distribution, abundance, and preserv...
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Species abundance: A = abundant; C = common; F = few; R = rare; + = present, but not subjectively quantified; - = absent, but looked for; blank = absent; ? = questionable...
物种丰度（Species abundance）：A代表丰富（abundant）；C代表常见（common）；F代表少量（few）；R代表稀有（rare）；+代表存在但未进行主观量化；-代表虽经搜寻但未发现；空白代表未出现；?代表存疑……
