Mobility of Amphidinium carterae Hulburt measured by high-frequency ultrasound

The over-growth of phytoplankton causes harmful algal blooms (HABs) in marine ecological environments. Mobility measurement is important in understanding the action of HABs. In this study, the mobility of Amphidinium carterae Hulburt (A. carterae) was investigated using high-frequency ultrasound in...

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Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2017-04, Vol.141 (4), p.EL395-EL401
Main Authors: Kim, Hansoo, Bok, Tae-Hoon, Paeng, Dong-Guk, Kim, Juho, Nam, Kweon-Ho, Lee, Joon-Baek, Shah, Md. Mahfuzur Rahman
Format: Article
Language:English
Subjects:
Environmental Monitoring - methods
Harmful Algal Bloom
Movement
Phytoplankton - growth & development
Phytoplankton - physiology
Scattering, Radiation
Time Factors
Ultrasonic Waves
Ultrasonics - methods
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Summary:The over-growth of phytoplankton causes harmful algal blooms (HABs) in marine ecological environments. Mobility measurement is important in understanding the action of HABs. In this study, the mobility of Amphidinium carterae Hulburt (A. carterae) was investigated using high-frequency ultrasound in the laboratory. Mobility in response to light was illustrated with M-mode images reconstructed from echoed signals. This study suggests that mobility of the swimming speed of A. carterae in response to light can be measured and calculated with M-mode images through high-frequency ultrasound. This finding may be helpful in understanding the fundamental behavior of HABs.
ISSN:0001-4966
1520-8524
DOI:10.1121/1.4980007