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Statistical analysis of acoustic echoes from underwater meadows in the eutrophic Puck Bay (southern Baltic Sea)

Published online by Cambridge University Press:  15 July 2003

Jarosław Tegowski ,
Natalia Gorska  and
Zygmunt Klusek
Jarosław Tegowski
Affiliation:
Institute of Oceanology, Polish Academy of Sciences, ul. Powstaców Warszawy 55, 81-712, Sopot, Poland
Natalia Gorska*
Affiliation:
Institute of Oceanology, Polish Academy of Sciences, ul. Powstaców Warszawy 55, 81-712, Sopot, Poland
Zygmunt Klusek
Affiliation:
Institute of Oceanology, Polish Academy of Sciences, ul. Powstaców Warszawy 55, 81-712, Sopot, Poland
*
gorska@iopan.gda.pl
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Abstract

In order to monitor the recovery of vegetation from pollution and the success of re-seeding efforts, acoustic echoes from the sea floor, covered and uncovered by underwater vegetation, were collected in Puck Bay (southern Baltic sea) using a 208 kHz Biosonics DT 4200 scientific echo sounder. The echo envelopes were examined and several of their parameters were recommended for further analysis. The possibility of using these parameters to distinguish between a bare sea floor and underwater meadows was tested. The parameters may be helpful in the identification of the species composition of the meadows and in accurate biomass assessment.

Keywords

Echo signalsUnderwater meadowsParametric analysis
Type
Research Article
Information
Aquatic Living Resources , Volume 16 , Issue 3: Acoustics in Fisheries and Aquatic Ecology. Part 2 , July 2003 , pp. 215 - 221
Copyright
© Elsevier, IRD, Inra, Ifremer, Cemagref, 2003

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