About CHIBA TAKASHI
About YAMADA MASAKI
About FUJINO SHIGEHIRO
About Diatom
About plant fossil
About swamp
About Holocene Epoch
About ecological succession
About boring core
About fossil coenosis
About fossil diatom
About environment change
About Bacillariophyta
About coastal wetland
About vegetation succession
About Cyclotella
About Thalassiosira
About algae
About Cryptogamae
About Bacillariophyceae
About Coastal sediments
About coastal wetland
About Beppu Bay
About vegetation change
About marine environment variation
About boring core
About Giffenia coconeiformis
About Diploneis suborbicularis
About Ceatoceros
About Cyclotella
About Aulacoseira granulate
About Eunotia
About Thalassiosira
About Plankton
About General
About Influence on plants
About 別府湾
About 沿岸湿地
About 完新世
About 堆積物
About 珪藻
About 群集