convener:Yoshihiko Kariya(Department of Environmental Geography, Senshu University), Akihiko SASAKI(Department of Geography and Environmental Studies, Kokushikan University), Chiyuki Narama(Niigata University, Program of Field Research in the Environmental Sciences), Motoshi Nishimura(Arctic Environmental Research Center, National Institute of Polar Research), Chairperson:Motoshi Nishimura(Arctic Environmental Research Center, National Institute of Polar Research), Akihiko SASAKI(Department of Geography and Environmental Studies, Kokushikan University), Chiyuki Narama(Niigata University, Program of Field Research in the Environmental Sciences), Yoshihiko Kariya(Department of Environmental Geography, Senshu University)