Fish scattering sound waves has impact on aquaculture

phys.org | 8/27/2019 | Staff
TimHyugaTimHyuga (Posted by) Level 3
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Schools of fish can scatter sound waves, which has impacts on fish farming. Fisheries acoustics have been studied for over 40 years to assess biomass and optimize aquaculture applications.

The talk "Mesoscopic wave physics in a dense fish school" will be presented Dec. 6 at the 178th Meeting of the Acoustical Society of America as part of a session on general topics in physical acoustics.

Benoit - Tallon - Philippe - Roux - Guillaume

Benoit Tallon, Philippe Roux, Guillaume Matte and Sergey Skipetrov first examined the phenomenon of how fish scatter acoustic waves in a dense school of fish contained in an open-sea cage. They developed a new approach to help overcome issues encountered in aquaculture relating to the evaluation of the total biomass of dense schools of fish.

"We perform experiments in aquaculture farms, because it permits the characteristics of a school to be well known in advance. However, we can reasonably imagine the use of mesoscopic physics to...
(Excerpt) Read more at: phys.org
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