About SAITO MEGUMI
About TOYODA KAZUHIRO
About 日本古生物学会年会講演予稿集
About lake
About morphology (form)
About water depth
About seasonal variation
About organic evolution
About Pleistocene Epoch
About Shiga prefecture
About Lake Biwa
About Bacillariophyta
About algae
About Cryptogamae
About Bacillariophyceae
About Cenozoic
About 琵琶湖
About 珪藻
About 大型
About 湖
About 水深