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Takehiko SUZUKI
Department of Geography, Tokyo Metropolitan University
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Jun-ichi KIMURA
Regional Science Laboratory, Faculty of Education, Fukushima University
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Tsutomu SODA
Paleoenvironmental Research Co., Ltd.
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Shigeki CHIBA
Inawashiro High School
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Mamoru KOARAI
Natural conservation Bureau, Environment Agency Geographical Survey Institute, Ministry of Construction
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Fusao ARAI
Emeritus Professor of Gumna University
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Shuichiro YOSHINAGA
Forestry and Forest Products Research Institute, Ministry of Agriculture, Forestry and Fisheries
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Masashi TAKADA
Faculty of Letters, Nara W omen's University