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Kazuo Amakasu

Pelagic fish distribution and ontogenetic vertical migration in common mesopelagic species off Lützow-Holm Bay (Indian Ocean sector, Southern Ocean) during austral summer
2009 · Masato Moteki, Naho Horimoto, et al. · Polar Biology · 43
Strong turbulent mixing induced by internal bores interacting with internal tide‐driven vertically sheared flow
2016 · Eiji Masunaga, Oliver B. Fringer, et al. · Geophysical Research Letters · 42
The target strength of Antarctic krill (Euphausia superba) measured by the split-beam method in a small tank at 70 kHz
2005 · Kazuo Amakasu, Masahiko Furusawa · ICES Journal of Marine Science · 33
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Seasonal dynamics of zooplankton in the southern Chukchi Sea revealed from acoustic backscattering strength
2016 · Minoru Kitamura, Kazuo Amakasu, et al. · Continental Shelf Research · 32
Measurement of sea bottom surface backscattering strength by quantitative echo sounder
2006 · Henry Munandar MANIK, Masahiko FURUSAWA, et al. · Fisheries Science · 30
The migration of fin whales into the southern Chukchi Sea as monitored with passive acoustics
2016 · Koki Tsujii, Mayuko Otsuki, et al. · ICES Journal of Marine Science · 29
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Distribution and density of Antarctic krill (Euphausia superba) and ice krill (E. crystallorophias) off Adélie Land in austral summer 2008 estimated by acoustical methods
2011 · Kazuo Amakasu, Atsushi Ono, et al. · Polar Science · 27
Distributions of larval and juvenile/adult stages of the Antarctic myctophid fish, Electrona antarctica, off Wilkes Land in East Antarctica
2017 · Masato Moteki, Kentaro Fujii, et al. · Polar Science · 23
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Basin-scale distribution pattern and biomass estimation of Japanese anchovy Engraulis japonicus in the western North Pacific
2012 · Hiroto Murase, Atsushi Kawabata, et al. · Fisheries Science · 22
Multilayer biological structure and mixing in the upper water column of Lake Biwa during summer 2008
2009 · Hidekatsu Yamazaki, Hikaru Honma, et al. · Limnology · 19
In Situ and Ex Situ Target Strength Measurement of Mesopelagic Lanternfish, Diaphus Theta (family Myctophidae)
2011 · Kouichi Sawada, Kazuhisa Uchikawa, et al. · Journal of marine science and technology · 18
Annual variation of oceanographic conditions changed migration timing of bowhead whales Balaena mysticetus in the southern Chukchi Sea
2021 · Koki Tsujii, Mayuko Otsuki, et al. · Polar Biology · 17
Quantifying Sea Bottom Surface Backscattering Strength and Identifying Bottom Fish Habitat by Quantitative Echo Sounder
2006 · Henry M. Manik, Masahiko Furusawa, et al. · Japanese Journal of Applied Physics · 16
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Biomass of Antarctic krill (Euphausia superba) in the eastern Indian sector of the Southern Ocean (80–150°E) in the 2018–19 austral summer
2023 · Koki Abe, Ryuichi Matsukura, et al. · Progress In Oceanography · 15
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Euphausiid community structure and population structure of Euphausia superba off Adélie Land in the Southern Ocean during austral summer 2003, 2005 and 2008
2011 · Atsushi Ono, Masato Moteki, et al. · Polar Science · 15
Measurement of the volume-backscattering spectrum from an aggregation of Antarctic krill and inference of their length-frequency distribution
2017 · Kazuo Amakasu, Tohru Mukai, et al. · Polar Science · 13
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The analysis of echotrace obtained by a split-beam echosounder to observe the tilt-angle dependence of fish target strength in situ
2009 · Masahiko Furusawa, Kazuo Amakasu · ICES Journal of Marine Science · 12
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Effect of Depth-dependent Target Strength on Biomass Estimation of Japanese Anchovy
2011 · Hiroto Murase, Atsushi Kawabata, et al. · Journal of marine science and technology · 9
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Sexual dimorphism in body shape of Antarctic krill (Euphausia superba) and its influence on target strength
2011 · Kazuo Amakasu, Atsushi Ono, et al. · Polar Science · 9
Estimation of target strength of Sardina pilchardus and Sardinella aurita by theoretical approach
2016 · Salaheddine El Ayoubi, Kamal Mamza, et al. · Fisheries Science · 8
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Exact Simulation of Fish School Echoes and its Applications
2008 · Masahiko Furusawa, Kazuo Amakasu · MTS/IEEE OCEANS Conference (OCEANS) · 8
Effects of fast Fourier transform window size on the target strength spectra of tungsten carbide spheres
2023 · Jing Liu, Burak Saygili, et al. · Fisheries Science · 6
Application of Multilayer Piezoelectric Actuators to Broadband Backscattering Measurements of Aquatic Animals
2013 · Kazuo AMAKASU, Yuka MISHIMA, et al. · The Journal of the Marine Acoustics Society of Japan · 6
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A broadband target strength measurement method for weakly scattering animals using a 50-ms-long linear frequency modulated signal in a small tank
2021 · Burak Saygili, Soma Tsuyuki, et al. · Fisheries Science · 5
A new seismic survey technology using underwater speaker detected a low-velocity zone near the seafloor: an implication of methane gas accumulation in Tokyo Bay
2019 · Tetsuro Tsuru, Kazuo Amakasu, et al. · Earth Planets and Space · 5
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Works count: 68
Citation count: 512
H-index: 15
I10-index: 17
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