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Lineage and hybridization effects on size potential in the Largemouth Bass complex

Lineage and hybridization effects on size potential in the Largemouth Bass complex INTRODUCTIONInterspecific hybridization is not rare (Mallet 2005), but the proportion of hybrids in wild populations is usually low (Whitmore and Hellier 1988). An exception can be found in anthropogenically modified environments, where increased rates of hybridization are commonly observed (Guo 2014). This is true for a range of taxa from birds (King et al. 2015) and fish (Hasselman et al. 2014) to flowering plants (Lamont et al. 2003) and trees (Hoban et al. 2012; Stewart et al. 2015) and can be the result of local (Thompson et al. 2010) or global (Muhlfeld et al. 2014) disturbances. Reservoirs are modified aquatic ecosystems that disrupt the natural flow of regional drainages and inundate surrounding habitats to temporarily retain freshwater resources for anthropogenic use (Drakou et al. 2008). Reservoirs also serve as a common setting for the introduction of fishes to create or augment sport fisheries (Rahel 2000, 2010; Gido et al. 2009). The introduced species are often nonnative to the drainage and congeneric to the resident fish (Rahel 2002; Johnson et al. 2008). Hybridization is more common in freshwater fish than in any other vertebrate (Campton 1987; Allendorf and Waples 1996; Scribner et al. 2000), and lineages with potentially weak reproductive barriers in modified aquatic environments are particularly prone to the production of hybrids. Among other outcomes, these hybrids http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Transactions of the American Fisheries Society Oxford University Press

Lineage and hybridization effects on size potential in the Largemouth Bass complex

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References (19)

Publisher
Oxford University Press
Copyright
© 2023 American Fisheries Society
ISSN
0002-8487
eISSN
1548-8659
DOI
10.1002/tafs.10395
Publisher site
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Abstract

INTRODUCTIONInterspecific hybridization is not rare (Mallet 2005), but the proportion of hybrids in wild populations is usually low (Whitmore and Hellier 1988). An exception can be found in anthropogenically modified environments, where increased rates of hybridization are commonly observed (Guo 2014). This is true for a range of taxa from birds (King et al. 2015) and fish (Hasselman et al. 2014) to flowering plants (Lamont et al. 2003) and trees (Hoban et al. 2012; Stewart et al. 2015) and can be the result of local (Thompson et al. 2010) or global (Muhlfeld et al. 2014) disturbances. Reservoirs are modified aquatic ecosystems that disrupt the natural flow of regional drainages and inundate surrounding habitats to temporarily retain freshwater resources for anthropogenic use (Drakou et al. 2008). Reservoirs also serve as a common setting for the introduction of fishes to create or augment sport fisheries (Rahel 2000, 2010; Gido et al. 2009). The introduced species are often nonnative to the drainage and congeneric to the resident fish (Rahel 2002; Johnson et al. 2008). Hybridization is more common in freshwater fish than in any other vertebrate (Campton 1987; Allendorf and Waples 1996; Scribner et al. 2000), and lineages with potentially weak reproductive barriers in modified aquatic environments are particularly prone to the production of hybrids. Among other outcomes, these hybrids

Journal

Transactions of the American Fisheries Society – Oxford University Press

Published: Mar 1, 2023

Keywords: age and growth; fisheries; genetics; hybrid; introgression; management; theory

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