About the lab

Lab activity

At the Laboratory of Aquatic Plant Ecology, we are interested in studying the ecology of seaweed and seagrass ecosystems. Every month, our team goes out into the field to collect samples and data using data loggers.

Seaweed & seagrass ecosystems

Japan is overcome with an abundance of herbivores, which has damaged coastal ecosystems to the point where almost no seaweeds or seagrasses remain. We are focused on understanding the process of isoyake ecosystem recovery.

Blue carbon

Blue carbon is a relatively new term that generally describes the carbon that is captured by marine ecosystems. We are attempting to understand how this concept applies to a fisheries persepective and how to estimate the ability of coastal ecosystems to sequester carbon.

Seaweed aquaculture

The future of seaweed aquaculture in Japan is unclear. We do not know how current practices of seaweed aquaculture will continue while climate changes progresses. We are interested in developing new crops and technologies to create a resilient seaweed aquaculture industry in Japan.

Lab members

Gregory N. Nishihara

Professor

Kagoshima University (2004 PhD), University of Hawaii at Manoa (1996 BSc)。 2018 Marine Pew Fellow, See researchmap for more https://researchmap.jp/nagaremo

Yamaha, Kaho

MS student

I are investigating the optimum amount of carbon dioxide to be supplied to Ulva prolifera (suji-aonori) grown in land-based aquaculture. It is known that carbon dioxide supplied during culture increases the amount of growth. My objective is to determine the optimal amount of carbon dioxide for growth and to expand the from the culture scale to land-based aquaculture scale. It is hoped to develop a method of utilizing carbon dioxide emitted from industrial activities.

Maldini, Alifro

MS student

Marine litter may affect seagrass growth and productivity. Thus it is vital to understand how marine litter will affect the primary production of seagrass meadows, and to elucdiate which variables affect the carbon capture capability of seagrass ecosystems.

Aota, Tomoyuki

MS student

I am studying fish fauna within the seaweed beds of Arikawa Bay. Especially because I hypothesize that herbivorous fish express selectivity with respect to seaweeds. I hope to apply my research to prevent isoyake in this area by better understanding the interaction between herbivorous fish and seaweeds.

Kobayashi, Taishun

MS student

I am investigating the blue carbon potential of seaweed farms in Matsushima Bay. Carbon fixed by seaweed is expected to be sequestered in the sediments of seaweed farms. My objective is to collect sediments from wakame seaweed farms to determine the amount of organic carbon, and whether they contain genetic material from wakame. I expect to be able to determine the carbon storage capacity of seaweed farms through this research.

Ansai, Hikaru

Undergraduate student

To be announced

Takashima, Nozomu

Undergraduate student

To be announced

Kosaka, Takehiro

Research student

To be announced

Lab graduates

Urasawa, Toshiki

2024 (BS)

Aota, Tomoyuki

2024 (BS)

Kobayashi, Taishun

2024 (BS)

Tateishi, Hiroto

2022 (BS), 2024 (MS)

Matsumuro, Shigetaka

2022 (BS), 2024 (MS)

Kabeyama, Makoto

2022 (BS), 2024 (MS)

Tanimae, Shin-ichiro

2023 (MS), 2021 (BS)

Suda, Ryusei

2023 (BS)

Fukase, Toma

2023 (BS)

Yamaha, Kaho

2023 (BS)

Urae, Takeshi

2020 (BS), 2022 (MS)

Isoda, Akari

2021 (BS)

Toyama, Kento

2021 (BS)

Hinode, Kenjiro

2021 (PhD)

Inoue, Yukio

2020 (PhD), 2017 (MS)

Hinode, Kenjiro

2021 (PhD)

Kamisaki, Hoshimi

2020 (MS), 2018 (BS)

Belleza, Dominic

2020 (MS), 2023 (PhD)

Urae, Takeshi

2020 (BS)

Hidaka, Mikiya

2020 (BS)

Osaki, Kouichi

2019 (MS)

Matsuda, Yuhei

2021 (MS), 2019 (BS)

Hatata, Nao

2019 (BS)

Kawate, Azusa

2021 (MS), 2019 (BS)

Matsuo, Akane

2018 (MS)

Saitsu, Mako

2017 (MS), 2015 (BS)

Kojima, Kouhei

2016 (BS)

Koga, Arisa

2015 (BS)

Li, Xuena

2015 (Shanghai Ocean University Exchange Student)

Kimura, Ryutaro

2014 (MS), 2012 (BS)

Okamura, Kotoe

2014 (BS)

Yamada, Chizuru

2012 (BS)

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