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

Corresponding author: J. Świniarski

© J. Świniarski, K. Guźniczak.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation: Świniarski J, Guźniczak K (1974) Assessment of the fish shoal abundance from the net sounder and vertical sounder records. Acta Ichthyologica et Piscatoria 4(1): 53-69. https://doi.org/10.3750/AIP1974.04.1.04
Open Access
Abstract
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.