Acta Ichthyologica et Piscatoria 23(1): 99-110, doi: 10.3750/AIP1993.23.1.08
The use of the catch per unit of effort of seine nets to assess fishery resources in vendace lakes
expand article infoA. Bonar

Corresponding author: A. Bonar

© A. Bonar.
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Citation: Bonar A (1993) The use of the catch per unit of effort of seine nets to assess fishery resources in vendace lakes. Acta Ichthyologica et Piscatoria 23(1): 99-110. https://doi.org/10.3750/AIP1993.23.1.08
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Abstract
Analyses of the fishing yield of seines revealed that catches obtained with this gear were predominated by vendace (28%) and roach (45%). Catch of these species per one seine fishing day amounted on the average to 59 and 93 kg respectively. Effectiveness of vendace catches showed positive correlation with stocking rates, and a negative one with the effectiveness of roach catches. High vendace catches were accompanied by relatively lower roach catches. Share of bream in seine catches ranged from 1.5% in Lake Duża Woda to 19% in Lake Jelonek, of whitefish from 0.39% in Lake Jelonek to 16.75% in Lake Żelazne. Share of predators (perch, pike, eel) was from 5.78 to 17.88%.