(Fig. 13) Distribution of dinoflagellate cysts in Early Cretaceous sediments of DSDP Hole 80-549 in the North Atlantic@en
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Species abundance: F = 1-5 %, C = 6-15 %, A = >15 %, - = not present
物种丰度(Species abundance)的分级标准如下:F组丰度占比为1%~5%,C组为6%~15%,A组为大于15%,标记“-”则代表该物种不存在(未检出)
创建时间:
2026-04-29



