(Table 3) Occurrence of upper Oligocene to lower Miocene diatom species in OD...
收藏B2FIND2026-03-19 收录
下载链接:
https://b2find.eudat.eu/dataset/8c482d85-5d54-576c-bf9a-8a6038867e03
下载链接
链接失效反馈官方服务:
资源简介:
species abundance: A = abundant (at least 20 specimens are presented in one horizontal traverse at 500 X), C = common (19-3 specimens), F = few (1-2 specimens), R = rare (less...
物种丰度(species abundance)分级标准如下:A为丰富级(在500倍放大倍率下的单次水平扫描视野中,标本数量不少于20个);C为常见级(标本数量为3~19个);F为少量级(标本数量为1~2个);R为罕见级(标本数量少于……)



