The Sonar 4 PC application is specifically
developed to do fish estimates in lakes. In the example below, analysis
is giving information on total biomass, numbers of fish pr. unit area
and volume, and fish size distribution.
All survey tracks are plotted on the map of the
lake. Clicking on a transect will open the echogram recorded along
this transect. All analysis results are easily transported into to
a commercial spreadsheet application by means of the standard operating
system "cut and paste" function.
To find out more about the
Sonar 4 post-processing application, consult the manufacturer's web
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