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Masahiro Nakaoka【Professor/Directer】Researcher Directory of HU researchmap Researchgate

Research field	Marine ecology, Community ecology, Biodiversity ecology
Research Subjects	・Biodiversity and ecological function in seagrass beds and their relativeness ・Long-term and broad-scale changes of biodiversity in seagrass and kelp beds ・Investigation on the effects of local and global environmental changes on coastal ecosystems
Department	・Field Science Center for Northern Biosphere
E-mail	nakaoka[at]fsc.hokudai.ac.jp

Tomonori Isada【Associate Professor】Researcher Directory of HU Researchgate

Research field	Biological oceanography, Biogeochemistry, Satellite oceanography
Research Subjects	・Phytoplankton blooming dyanmics in the coastal waters ・Development for the identification of Phytoplankton Functional Types (PFTs) with optical hyperspectral data ・Dynamics of dissloved organic matter in wetland and seagrass meadows
Department	・Field Science Center for Northern Biosphere
E-mail	t-isada[at]fsc.hokudai.ac.jp

Ippei Suzuki【Specially Appointed Assistant Professor】Researcher Directory of HU Researchgate

Research field	Marine Ecology, Ethology, Diving Physiology
Research Subjects	・Development of methods to quantify energy budgets of marine apex predators ・Animal-borne blood sampler to understand mechanisms of dive responses in pinnipeds ・Respirometry and biologging to quantify energy expenditure of marine mammals
Department	Field Science Center for Northern Biosphere
E-mail	is7[at]fsc.hokudai.ac.jp

Elizabeth Madin【Specially Appointed Associate Professor】Website

Research field	Marine Ecology, Marine Biology, Conservation
Research Subjects	・Coral reef ・Prey-predator interaction in marine ecosystem ・Lethal and risk effects in marine ecosystem
Department	University of Hawaii

Joshua Madin【Specially Appointed Associate Professor】Website

Research field	Geometric Ecology, Marine Ecology, Marine Biology
Research Subjects	・Coral reef structure & function ・Reproducing 3D structures of organisms and habitats by laser scanning and 3D printing
Department	University of Hawaii

Shoichi Hamamo【Regular Technical Staff】

Charge	Equipment maintenance for facilities, TR/V, boats, etc.
Department	Field Science Center for Northern Biosphere Technology Support Headquarters

Hidenori Katsuragawa【Regular Technical Staff】

Charge	Equipment maintenance for facilities, TR/V, boats, etc.
Department	Field Science Center for Northern Biosphere Technology Support Headquarters

Yuan Yao【Post Doctoral Fellow】 Researchgate

Research field	Community Ecology
Research Subject	・General patterns in the context dependence of competitive Interactions across ecosystems ・The ecological process of blue carbon transport
Department	Field Science Center for Northern Biosphere

Seishiro Koda【Reserach fellow】

Research field	TBD
Research Subject	TBD
Department	Aquatic Biology, Biosphere Science, Graduate School of Environmental Science

Tomonori Sekioka【Third-year Ph.D student】

Research field	Biodiversity & Ecology
Research Subject	To clarify variations and its determinant effects of diversity and community structures of Gammaridean Amphipod
Department	Aquatic Biology, Biosphere Science, Graduate School of Environmental Science

Yusuke Iwaki【Second-year Ph.D student】

Research field	TBD
Research Subject	TBD
Department	Aquatic Biology, Biosphere Science, Graduate School of Environmental Science

Nona Kudo【Second-year master's student】

Research field	TBD
Research Subject	TBD
Department	Aquatic Biology, Biosphere Science, Graduate School of Environmental Science

Kyoko Tsugane【Second-year master's student】

Research field	TBD
Research Subject	TBD
Department	Aquatic Biology, Biosphere Science, Graduate School of Environmental Science

Hikari Hagiwara【Second-year master's student】

Research field	Marine ecology
Research Subject	Estimation of macroalgal distribution in Akkeshi Bay
Department	Aquatic Biology, Biosphere Science, Graduate School of Environmental Science

Shumpei Aihara【4th year undergraduate student】

Research field	TBD
Research Subject	TBD
Department	Division of Biology, Depertment of Biological Sciences, School of Science

Sota Kannari【4th year undergraduate student】

Research field	Community Ecology
Research Subject	Estimating species distributions and identifying determinants of benthic fauna in Furen Lagoon
Department	Division of Biology, Depertment of Biological Sciences, School of Science

Katsuki Shimizu【4th year undergraduate student】

Research field	Marine ecology, Biological oceanography
Research Subject	Investigating the effects of swan feces on the phytoplankton community in Akkeshi Bay
Department	Division of Biology, Depertment of Biological Sciences, School of Science

Matthew Tanirog【Research student】

Research field	Marine Botany, Blue Carbon
Research Subject	Estimating the amount of carbon in blue carbon ecosystems (mangroves and seagresses), Mangrove conservation and restoration
Department	Graduate School of Environmental Science

Members from other faculties and overseas who reside in Akkeshi for an extended period

Nina Feußner【Second-year master's student】

Research field	Ecology, Coastal ecology
Research Subject	Trophic Structure and Nitrogen Source Dynamics in the Seagrass Meadow of Akkeshi-ko Estuary: An Amino Acid–Specific Nitrogen Isotope Approach
Department	Research student of Hokkaido University (University of Bremen, Germany)

Amelie Rüggeberg【Second-year master's student】(GAME2025)

Research field	TBD
Research Subject	TBD
Department	University of Rostock, Germany

Naoki Ban【Second-year master's student, from Nakamura Lab.】(GAME2025)

Research field	TBD
Research Subject	TBD
Department	Institute of Science Tokyo

Momoko Yoshida【Second-year Ph.D student, from Agetsuma Lab.】

Research field	Ethology, Reproductive ecology
Research Subject	Reproductive strategies of wild female Yezo sika deer: An integrative study using ethology and physiology
Department	Forest Field Science, Biosphere Science, Graduate School of Environmental Science

Koichi Igarashi,【First-year Ph.D student, from Wada Lab.】

Research field	TBD
Research Subject	TBD
Department	Graduate School of Fisheries Sciences

【Assistants and secretaries】

・Kyoko Nakagawa, Hitomi Kuraya, Nozomi Watanabe, Yoshiko Tsukada, Marina Hashimoto