Commentary: Shingo Akita (Faculty of
Fisheries Sciences, Hokkaido University), Toshiki Uji (Faculty of Fisheries
Sciences, Hokkaido University)
Cooperation: Laboratory of Seaweed, Faculty
of Fisheries Sciences, Hokkaido University
Plan and Photography: Shunsuke Yamashita
(Faculty of Fisheries Sciences, Hokkaido University)
Editing: Balanced Ocean Operation Division,
Hokkaido University