About SAITO MEGUMI
About HAYASHI TATSUYA
About ISHIHARA YOSHIRO
About 福大 理
About NARUSE HAJIME
About 日本古生物学会年会講演予稿集
About Pleistocene Epoch
About lake
About Bacillariophyceae
About paleoenvironment
About stratigraphy(sequence of layers)
About Cenozoic
About Quaternary
About 中期
About 更新統
About 湖沼
About 珪藻
About 群集
About 層序学
About 要因