*Akihiro Hachikubo¹, Yunosuke Hase¹, Yuki Ikeura¹, Oleg Khlystov², Gennadiy Kalmychkov³, Marc De Batist⁴, Hirotoshi Sakagami¹, Hirotsugu Minami¹, Satoshi Yamashita¹ (1.Kitami Institute of Technology, 2.Limnological Institute, SB RAS, 3.Vinogradov Institute of Geochemistry, SB RAS, 4.Ghent University)

*RYOYA KAMATA¹, Yunosuke Hase¹, Akihiro Hachikubo¹, Satoshi Takeya² (1.Kitami Institute Of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))

*Hiromi Kimura¹, Akihiro Hachikubo¹, Satoshi Takeya² (1.Kitami Institute of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))

*Satoshi Takeya¹, Ryoya Kamata², Akihiro Hachikubo² (1.National Institute of Advanced Industrial Science and Technology, 2.Mitami Institute of Technology)

*Yunosuke Hase¹, Akihiro Hachikubo¹, Satoshi Yamashita¹, Hirotoshi Sakagami¹, Masaaki Konishi¹, Hirotsugu Minami¹, Kenji Nishina², Tadashi Misaka³ (1.Kitami Institute of Technology, 2.Geological Survey of Hokkaido, Hokkaido Research Organization, 3.Wakkanai Fisheries Research Institute, Hokkaido Research Organization)

*daisuke yahagi¹, Akihiro Hachikubo¹, Masaaki Konishi¹, Hirotoshi Sakagami¹, Hirotsugu Minami¹, Satoshi Yamashita¹, Kenji Nishina², Yasuhito Uchida², Kenji Sakaguchi³ (1.kitami institute of technology, 2.Geological Survey of Hokkaido, Hokkaido Research Organization, 3.Kushiro Fisheries Research Institute, Hokkaido Research Organization)

*Hiromi Kimura¹, Yunosuke Hase¹, Yuki Ikeura¹, Ryoya Kamata¹, Akihiro Hachikubo¹, Masaaki Konishi¹, Hirotoshi Sakagami¹, Hirotsugu Minami¹, Satoshi Yamashita¹ (1.Kitami Institute of Technology)

*Hiromi Kimura¹, Shota Shirakura¹, Akihiro Hachikubo¹, Satoshi Takeya² (1.Kitami Institute of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))

*RYOYA KAMATA¹, Hiromi Kimura¹, Emi Sugimori¹, Akihiro Hachikubo¹, Satoshi Takeya² (1.Kitami Institute Of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))

*Yunosuke Hase¹, Hiromi Kimura¹, Akihiro Hachikubo¹, Satoshi Takeya² (1.Kitami Institute of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))