Echo-sounder imaging for fish stock size estimation

This study emphasizes on the characterization of echo-sounder backscatters for fisheries application at micro level by remote sensing techniques. A method for acoustic-based fish stock size estimation by vertical echo-sounder of fish schooling in the mid-water area of East Coast of Peninsular Mala...

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Bibliographic Details
Main Author: Mohd Fazrul Hisam Abd Aziz
Format: Thesis
Language:English
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Online Access:http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/1661/1/SH%20307%20.M4%20M6%202011%20Abstract.pdf
http://umt-ir.umt.edu.my:8080/jspui/bitstream/123456789/1661/2/SH%20307%20.M4%20M6%202011%20FullText.pdf
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Summary:This study emphasizes on the characterization of echo-sounder backscatters for fisheries application at micro level by remote sensing techniques. A method for acoustic-based fish stock size estimation by vertical echo-sounder of fish schooling in the mid-water area of East Coast of Peninsular Malaysia (ECPM) was carried out. The specific objectives of this study are: (a) to estimate stock size of pelagic species based on backscatters acquired by echo sounder imaging; (b) to map the density of three pelagic fish species, i.e. Round Scad, Torpedo Scad and Ox-eye Scad; and (c) to analyse the relationship of vertical distribution of multi-species pelagic fish with surrounding biophysical parameters (dissolved oxygen, temperature and salinity).