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Genetic population structure of marine fish: mismatch between biological and fisheries management units
Reiss, H.; Hoarau, G.; Dickey-Collas, M.; Wolff, W.J. (2009). Genetic population structure of marine fish: mismatch between biological and fisheries management units. Fish Fish. 10(4): 361-395. https://dx.doi.org/10.1111/j.1467-2979.2008.00324.x
In: Fish and Fisheries. Blackwell Science: Oxford. ISSN 1467-2960; e-ISSN 1467-2979, meer
Peer reviewed article  

Beschikbaar in  Auteurs 

Trefwoorden
    Aquatic organisms > Marine organisms > Fish > Marine fish
    Management > Resource management > Fishery management
    Population characteristics > Population structure
    Stocks
    Sustainability
    Clupea harengus Linnaeus, 1758 [WoRMS]; Gadus morhua Linnaeus, 1758 [WoRMS]
    Marien/Kust
Author keywords
    Cod; fish stocks; fisheries management; herring; north-east Atlantic;sustainability

Auteurs  Top 
  • Reiss, H.
  • Hoarau, G.
  • Dickey-Collas, M., meer
  • Wolff, W.J., meer

Abstract
    An essential prerequisite of a sustainable fisheries management is the matching of biologically relevant processes and management action. In fisheries management and assessment, fish stocks are the fundamental biological unit, but the reasoning for the operational management unit is often indistinct and mismatches between the biology and the management action frequently occur. Despite the plethora of population genetic data on marine fishes, to date little or no use is made of the information, despite the fact that the detection of genetic differentiation may indicate reproductively distinct populations. Here, we discuss key aspects of genetic population differentiation in the context of their importance for fisheries management. Furthermore, we evaluate the population structure of all 32 managed marine fish species in the north-east Atlantic and relate this structure to current management units and practice. Although a large number of studies on genetic population structure have been published in the last decades, data are still rare for most exploited species. The mismatch between genetic population structure and the current management units found for six species (Gadus morhua, Melanogrammus aeglefinus, Merlangius merlangus, Micromesistius poutassou, Merluccius merluccius and Clupea harengus), emphasizes the need for a revision of these units and questions the appropriateness of current management measures. The implementation of complex and dynamic population structures into novel and less static management procedures should be a primary task for future fisheries management approaches.

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