A spatial statistical approach for identifying population structuring of marine fish species: European sprat as a case study

Lindegren, Martin; van Deurs, Mikael; Maureaud, Aurore; Thorson, James T; Bekkevold, Dorte

doi:10.1093/icesjms/fsac007

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A spatial statistical approach for identifying population structuring of marine fish species: European sprat as a case study

2022
By Lindegren, Martin ; van Deurs, Mikael ; Maureaud, Aurore ; ...
Source: ICES Journal of Marine Science, 0, 1–12

[PDF-3.80 MB]

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Alternative Title:

Identifying population structuring for the management of widely distributed marine species: European sprat as a case study
Journal Title:

ICES Journal of Marine Science
Personal Author:

Lindegren, Martin ; van Deurs, Mikael ; Maureaud, Aurore ; Thorson, James T ; Bekkevold, Dorte

Lindegren, Martin ; van Deurs, Mikael ; Maureaud, Aurore ; Thorson, James T ; Bekkevold, Dorte Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) Less -
Description:

Many marine fish species are widely distributed over large areas. Failing to acknowledge that such species may be composed of distinct populations may result in overestimation of the stock’s true harvest potential. To avoid overexploitation, ways to identify population structuring are therefore needed. In this study, we developed and applied a statistical approach to identify biologically relevant population boundaries for a widely distributed marine fish species, European sprat (Sprattus sprattus). Specifically, we compiled and standardized multiple trawl-survey data sets and used a range of statistical tools to assess whether the current management boundaries adequately account for potential population structuring. Our results demonstrate regional differences in spatial abundance patterns, temporal dynamics and population demographics.
Keywords:

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Fisheries Management Population Structuring Spatial Population Dynamics Spatial Statistics
Source:

ICES Journal of Marine Science, 0, 1–12
DOI:

https://doi.org/10.1093/icesjms/fsac007
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Journal Article
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urn:sha256:2bd59ae7e96c845ed75a333222cfc45a0ec4e8faa33264718d8c185337fbed10
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https://repository.library.noaa.gov/view/noaa/35748/noaa_35748_DS1.pdf
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A spatial statistical approach for identifying population structuring of marine fish species: European sprat as a case study

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