About KITO NORIO
About 北海道教大 函館校
About broad-leaved forest
About deciduous forest
About Fagus crenata
About geographical distribution
About Ecosystem
About last glacial stage
About pollen analysis
About Tohoku District
About Hokkaido
About forest stand
About beech forest
About forest ecosystem
About Forest biology in general
About Ecosystems
About 北海道
About 最終氷期
About ブナ林
About 拡大