What question did this study set out to answer?

The study aims to combine local ecological knowledge with ICES and CPUE data to better understand fish stock differences in the Baltic Sea.

July 12, 2026Fisheries ScienceOpen Access

Integrating local ecological knowledge with ICES and CPUE data to assess spatial variation in Baltic Sea fish stocks

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Authors

MRMichael J. Rościszewski-DodgsonUniversity of Gdańsk GCGiuseppe T. CirellaUniversity of Gdańsk

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Implication

Randomized trial integrates local ecological knowledge and fisheries data to analyze fish stock variation in the Baltic Sea, suggesting improved evaluations.

Key Points

The study aims to combine local ecological knowledge with ICES and CPUE data to better understand fish stock differences in the Baltic Sea.
Utilized structured Likert-scale surveys with fishers from 26 ports in Poland and Germany.
Applied cumulative link mixed modeling to analyze the effects of species, region, and fishing type on stock perceptions.
Compared local ecological knowledge with fisheries data (SSB and CPUE) to examine local fish stock status.
Strong alignment found between local ecological knowledge, ICES-derived SSB, and CPUE for depleted stocks like Western and Eastern cod.
Discrepancies noted in perceptions of herring, sprat, and flounder, indicating varied stock availability.
Localized perspectives often matched survey patterns, especially for sprat and variable flounder abundance across subdivisions.

Cite This Study

Rościszewski-Dodgson et al. (2026) studied this question.

synapsesocial.com/papers/6a532e624f7abc118adecb8f https://doi.org/10.1007/s12562-026-02005-5

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Implication

Randomized trial integrates local ecological knowledge and fisheries data to analyze fish stock variation in the Baltic Sea, suggesting improved evaluations.

Integrating local ecological knowledge with ICES and CPUE data to assess spatial variation in Baltic Sea fish stocks

Discussion

Member takes

Implication

Key Points

Cite This Study

Integrating local ecological knowledge with ICES and CPUE data to assess spatial variation in Baltic Sea fish stocks

Discussion

Member takes

Implication

Key Points

Cite This Study

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