People

Takuya Sato (Associate Professor)

Takuya Sato

Research Interests

  • Parasite-mediated energy flow and their effects on community/ ecosystem processes
  • Temporal resource fluxes and their effects on community/ ecosystem processes

Takayuki Ohgushi (PD)

Takayuki Ohgushi

Research Interests 

to be filled


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Satoko Iida (PD) 

Satoko Iida

Research Interests

 to be filled

Rui Ueda (PD) 

Rui Ueda

Research Interests

   I study the mechanisms that generate and maintain intraspecific life-history variation in wild populations such as salmonids. I often use field experiments and genomics to answer the questions.


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Shotaro Tani(PD) 

Shotaro Tani

Research Interests

   My research aim is to accumulate basic and accurate biological knowledge about freshwater horsehair worms, which are endoparasites on arthropods, and thereby develop an information base on their natural history and parasite ecology.

Ryosuke Tanaka (Graduate student, D4)

Ryosuke Tanaka

Research Interests

 I study how diverse amphidromous fishes affect a structure and maintenance of river ecosystem as the interaction between marine and river, using a field survey and isotope analysis.


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Hinako Asakura (Graduate student, D1)

Hinako Asakura

Research Interests

 I seek to empirically investigate how light cycles driven by solar and lunar rhythms influence communities, using field observations and experimental approaches.  

Ayumi Imagawa (Graduate student, M1)

Ayumi Imagawa

Research Interests

 In ecosystems, different habitats are distributed in a continuous mosaic, each hosting distinct communities of organisms. I am interested in how the biomass structure of organisms differs among these habitats, and how the connections between them support the ecosystem as a whole. Changes in these spatial linkages may underlie shifts we perceive as “a decline in fish populations.”  

Yoshinori Toyooka (Graduate student, M1)

Yoshinori Toyooka

Research Interests

 to be filled  

Taichi Yamashita(Graduate student , M1)

Taichi Yamashita

Research Interests

 In populations of Oncorhynchus masou ishikawae living in a dammed lake watershed, a distinct life history has emerged that is not observed in those migrating to the sea.I am researching the mechanisms that maintain this novel life history and its impact on population dynamics. I am particularly interested in the impacts of humans on ecosystems and in theoretical ecology. 

Sho Fujita(Undergraduate student, B4)

Sho Fujita

Research Interests

 I am currently studying brook trout and brown trout populations in Massachusetts, USA, to investigate the mechanisms of organismal movement and the underlying factors.

Hitomi Sakurai (Laboratory assistant)

Hitomi Sakurai

Research Interests

 I will energize the laboratory with my own brightness!