*yoji aoki¹, Anastasia Petrova², Hajime Matsushima³, Masahiro Nakatani⁴, Arne Arnberger⁵ (1.National Institute for Environmental Studies, 2.Institute of Oriental Studies of the Russian Academy of Sciences. , 3.Hokkaido University, 4.Niigata University, 5.University of Natural Resources and Life Sciences, Vienna)