Responses of phytoplankton photophysiology to iron stress and mixing water masses during the spring bloom in the Oyashio region, NW Pacific

Tomonori Isada1, Ai Hattori-Saito2, Hiroaki Saito3, Yoshiko Kondo4, Jun Nishioka5, Kenshi Kuma2, Robert M McKay6, Hiroshi Hattori7 and Koji Suzuki2, (1)Hokkaido University, Akkeshi Marine Station, Akkeshi, Japan, (2)Hokkaido University, Sapporo, Japan, (3)The University of Tokyo, Atmosphere and Ocean Research Institute, Kashiwa, Japan, (4)Nagasaki University, Nagasaki, Japan, (5)Hokkaido University, Institute of low temperature science, Sapporo, Japan, (6)Bowling Green State University, Napoleon, OH, United States, (7)Hokkaido Tokai University, Sapporo, Japan