Estimating abundances of 0-group western Baltic cod by using pound net fisheries

Robert Bauer, Daniel Stepputtis, Marie Storr-Paulsen, Ronny Weigelt, Cornelius Hammer

Research output: Contribution to journalJournal articleResearch

Abstract

Nearshore 0-group western Baltic cod are frequently caught as bycatch in the commercial pound net fishery. Pound net fishermen from the Danish Isle of Funen and Lolland and the German Isle of Fehmarn have recorded their catches of small cod between September and December 2008. Abundance patterns were analysed, particularly concerning the influence of abiotic factors (hydrography, meteorology) and the differences between sampling sites. Catch per unit effort (CPUE) differed by site and location, whereas CPUE were highest at Lolland. Correlation between catch and wind/currents were generally weak. However, wind directions and current speeds seem to affect the catch rates. Finally an algorithm was developed to calculate a recruitment index for western Baltic cod recruitment success based on previous analyses.
Original languageEnglish
Book seriesInformationen aus der Fischereiforschung
Volume57
Issue number1
Pages (from-to)1-11
ISSN1860-9902
DOIs
Publication statusPublished - 2010

Cite this

Bauer, Robert ; Stepputtis, Daniel ; Storr-Paulsen, Marie ; Weigelt, Ronny ; Hammer, Cornelius. / Estimating abundances of 0-group western Baltic cod by using pound net fisheries. In: Informationen aus der Fischereiforschung. 2010 ; Vol. 57, No. 1. pp. 1-11.
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Estimating abundances of 0-group western Baltic cod by using pound net fisheries. / Bauer, Robert; Stepputtis, Daniel; Storr-Paulsen, Marie; Weigelt, Ronny; Hammer, Cornelius.

In: Informationen aus der Fischereiforschung, Vol. 57, No. 1, 2010, p. 1-11.

Research output: Contribution to journalJournal articleResearch

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AU - Bauer, Robert

AU - Stepputtis, Daniel

AU - Storr-Paulsen, Marie

AU - Weigelt, Ronny

AU - Hammer, Cornelius

PY - 2010

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AB - Nearshore 0-group western Baltic cod are frequently caught as bycatch in the commercial pound net fishery. Pound net fishermen from the Danish Isle of Funen and Lolland and the German Isle of Fehmarn have recorded their catches of small cod between September and December 2008. Abundance patterns were analysed, particularly concerning the influence of abiotic factors (hydrography, meteorology) and the differences between sampling sites. Catch per unit effort (CPUE) differed by site and location, whereas CPUE were highest at Lolland. Correlation between catch and wind/currents were generally weak. However, wind directions and current speeds seem to affect the catch rates. Finally an algorithm was developed to calculate a recruitment index for western Baltic cod recruitment success based on previous analyses.

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