(Table T3) Stratigraphic occurence and relative abundances of diatom taxa fro...
收藏B2FIND2026-03-19 收录
官方服务:
资源简介:
Abundance: D = dominant >60%, A = abundant 30-60, C = common 15-30, F = few 3-15, R = rare <3, T = trace, X = present, - = none. Preservation: G = good, M = moderate, P =...
丰度(Abundance):D=优势种(dominant),相对占比>60%;A=丰富(abundant),相对占比30%~60%;C=常见(common),相对占比15%~30%;F=稀少(few),相对占比3%~15%;R=稀有(rare),相对占比<3%;T=微量(trace);X=存在(present);-=无(none)。保存状态(Preservation):G=良好(good),M=中等(moderate),P=……



