Acta Ichthyologica et Piscatoria 4(1): 53-69, doi: 10.3750/AIP1974.04.1.04
Assessment of the fish shoal abundance from the net sounder and vertical sounder records
expand article infoJ. Świniarski, K. Guźniczak
Open Access
The geometric parameters of fish shoals were determined according to the echogrammes of sounded fish shoals. For analyses used the material collected between 17.12.1972 and 25.02.1973 by m/t "Kantar" at Georges Bank fishing grounds. The analysed echogrammes relate to fishing of mackerel.