The Riddle of How Fisheries Influence Genetic Diversity
Sadler, D. E., Watts, P. C., & Uusi-Heikkilä, S. (2023). The Riddle of How Fisheries Influence Genetic Diversity. Fishes, 8(10), Article 510. https://doi.org/10.3390/fishes8100510
Julkaistu sarjassa
FishesPäivämäärä
2023Oppiaine
Akvaattiset tieteetResurssiviisausyhteisöEkologia ja evoluutiobiologiaAquatic SciencesSchool of Resource WisdomEcology and Evolutionary BiologyTekijänoikeudet
© 2023 by the authors. Licensee MDPI, Basel, Switzerland
Overfishing drives population decline, which in turn drives loss of genetic diversity. Many studies provide evidence of declines in genetic diversity; however, controversy exists within the literature, as some studies show evidence of no change in genetic diversity despite decades of overharvesting. The apparent discrepancy in the literature should therefore be examined to understand what biological and ecological processes are driving the differences in results. Here, we assess how different factors contribute to fisheries-induced susceptibility to declines in genetic diversity by first focusing on the different roles of genetic markers. Second, we assess how habitat type and conditions contribute to loss of genetic diversity. Third, we assess how life history and physiology affects catchability and loss of genetic diversity. Finally, we discuss how coinciding abiotic and biotic factors influence the intensity of genetic loss. We find a multitude of these factors could be interacting to influence how results are perceived and how intense the loss of genetic diversity can be. Future studies should carefully consider the methodology of genetic analysis used, as well as considerations of life history and ecology of the target species.
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MDPI AGISSN Hae Julkaisufoorumista
2410-3888Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/193543563
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This work was supported by funding from the Academy of Finland grant no. 325107 (SUH).Lisenssi
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