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Acoustic Detection of Small Mesoplankton Such as Copepod Nauplii in the Marine Environment

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The feasibility of using acoustic surveying techniques to study the distribution of planktonic copepod nauplii in the marine environment is investigated using a computer simulation model. The models simulate the effects of sound frequency, density of sea water and target organisms and celerity on the acoustic signature of copepod nauplii using the polyarthran Coullana canadensis as a model. The advantage is that the acoustic sampling can be for much greater lengths than those for net sampling episodes before the net becomes clogged (in less than 200 meters towing distance). The volume of water sampled for a given tow length would be about the same as conventional net sampling methods. Acoustic sampling and enumeration of planktonic copepod nauplii is shown to be feasible, but has limitations which must be considered in planning a field survey.

Document Type: Research Article


Publication date: June 1, 2008

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  • The Marine Technology Society Journal is the flagship publication of the Marine Technology Society. It publishes the highest caliber, peer-reviewed papers on subjects of interest to the society: marine technology, ocean science, marine policy and education. The Journal is dedicated to publishing timely special issues on emerging ocean community concerns while also showcasing general interest and student-authored works.
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