Research Interests 【 display / non-display 】

Research Interests 【 display / non-display 】

Research Areas 【 display / non-display 】

Research Areas 【 display / non-display 】

Papers 【 display / non-display 】

Papers 【 display / non-display 】

• Association of density and sound-speed contrast with maturity stage of Antarctic krill in the eastern Indian sector of the Southern Ocean

  R. Matsukura, H. Doiguchi, N. Yamamoto, K. Abe, K. Amakasu, Y. Fukuda, K. Hasegawa, T. Mukai, and H. Murase , 2024.09

  Fisheries Science

• Biomass of Antarctic krill (Euphausia superba) in the eastern Indian sector of the Southern Ocean (80–150°E) in the 2018–19 austral summer

  K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu, R. Nagata, and H. Murase , 2023.09

  Progress in Oceanography

• Volume backscattering spectra measurements of Antarctic krill using a broadband echosounder

  N. Yamamoto, K. Amakasu, K. Abe, R. Matsukura, T. Imaizumi, T. Matsuura, and H. Murase , 2023.05

  Fisheries Science

• Effects of fast Fourier transform window size on the target strength spectra of tungsten carbide spheres

  J. Liu, B. Saygili, A. Iwasa, N. Yamamoto, T. Imaizumi, and K. Amakasu , 2023.03

  Fisheries Science

• Estimated ammonium regeneration potentials of two common euphausiid species (Euphausia superba and E. crystallorophias) off Adélie Land, East Antarctica, in austral summer, 2008

  A. Ono, F. Hashihama, K. Amakasu, and M. Moteki , 2022.09

  Polar Biology

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Grant-in-Aid for Scientific Research 【 display / non-display 】

Grant-in-Aid for Scientific Research 【 display / non-display 】

• Challenge to species identification with high-resolution echosounders -analysis of fish-school echoes with machine learning-

  Project Period (FY)： 2020/07  -  2023/03  Investigator(s): 甘糟和男

  Grant-in-Aid for challenging Research (Exploratory)  Principal Investigator  20K21329 

• 広帯域計量魚群探知機による駿河湾のサクラエビの資源量調査手法の開発

  Project Period (FY)： 2017/04  -  2021/03 

  Grant-in-Aid for Young Scientists(A)  Principal Investigator  17H05033 

• リニアFM信号とスペクトル分析を応用した新しい動物プランクトン観測技術の開発

  Project Period (FY)： 2013/04  -  2016/03 

  Grant-in-Aid for challenging Exploratory Research  Principal Investigator  25630400 

• 積層圧電素子を応用した海洋生物調査のための広帯域音響探査システムの開発

  Project Period (FY)： 2011/04  -  2015/03 

  Grant-in-Aid for Young Scientists(A)  Principal Investigator  23686127 

Lesson Subject 【 display / non-display 】

Lesson Subject 【 display / non-display 】