Genetic Structure of Striped Bass in the Southeastern United States and Effects from Stock Enhancement

Anderson, Andrew P; Denson, Michael R.; Darden, Tanya L.

doi:10.1080/02755947.2014.902409

Cited by 9 publications

(7 citation statements)

References 72 publications

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“…The genetic differentiation that we observed among striped bass populations corroborates and builds upon the findings of past studies [21,[27][28][29] regarding large-scale population genetic structuring of striped bass. As shown by our DAPC and STRUCTURE results, striped bass show population genetic differentiation within and among anadromous and landlocked collections.…”

Section: Range-wide Genetic Differentiation Of Striped Basssupporting

confidence: 89%

“…We observed larger ranges of microsatellite allele sizes than did previous studies [28,36,57]. This is likely because we focused on striped bass populations in the Roanoke River basin, which are in the middle of the Atlantic Coast range and therefore well placed to exchange alleles with more southerly and northerly populations and examined variation at different collections of microsatellite loci.…”

Section: Genetic Structure Of Striped Bass Within the Roanoke River Bmentioning

confidence: 77%

“…Twelve microsatellite DNA loci were amplified using published primer-pair sets [36,37], ( Table 2). Methods followed those of Couch et al [36], Fountain et al [57], and Anderson et al [28]. DNA samples provided by the South Carolina Division of Natural Resources (Neuse River, Cape Fear River, Santee-Cooper system, Ashepoo-Combahee-Edisto system, and Roanoke River below Roanoke Rapids Lake) were used to standardize allele calls to those of Anderson et al [28].…”

Section: Molecular Methodsmentioning

confidence: 99%

“…Using mitochondrial DNA (mtDNA) markers, low levels of intraspecific sequence diversity proved unsuitable for assessing fine-scale genetic differentiation among many populations [24][25][26]. However, the use of nuclear DNA markers, especially microsatellite DNA, has proven useful for recognizing differentiated populations [21,27,28]. Gauthier et al [27] showed that the Hudson River, Delaware River, pooled Chesapeake Bay collections, Roanoke River, and Santee-Cooper system supported genetically distinct populations.…”

Section: Introductionmentioning

confidence: 99%

“…Gauthier et al [27] showed that the Hudson River, Delaware River, pooled Chesapeake Bay collections, Roanoke River, and Santee-Cooper system supported genetically distinct populations. Screening striped bass populations in the southeastern United States, Anderson et al [28] found strong genetic differentiation between the aggregated Santee-Cooper collection and the Roanoke River. Wirgin et al [21] showed genetically distinct populations across the species' distribution, including the Miramichi, Shubenacadie, Hudson, Delaware-Chesapeake, Roanoke, and Santee-Cooper rivers, which mostly corroborated the results of earlier studies using mitochondrial mtDNA markers [25,26].…”

Section: Introductionmentioning

confidence: 99%

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Population Genetic Assessment of Anadromous and Resident Striped Bass (Morone saxatilis) in the Roanoke River System, Eastern United States

Harris

Cope

Wirgin

et al. 2020

Fishes

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Striped bass is the subject of important commercial and sport fisheries in North America. The Roanoke River drainage—especially Smith Mountain Lake, Leesville Lake, and Kerr Reservoir—has popular recreational striped bass fisheries. After construction of five hydroelectric dams, populations became landlocked, declined, and have been supplemented by stocking. A key basis for responsibly augmenting populations is to characterize genetic variation and incorporate the findings into responsible hatchery and stocking practices. Genetic variation at 12 microsatellite DNA loci was evaluated among 837 striped bass representing 16 collections across the native range; populations from rivers in South Carolina, North Carolina, Chesapeake Bay, and Hudson River were screened to provide context for assessing genetic structure within the Roanoke system. Analysis of population genetic differentiation showed landlocked Roanoke River striped bass to be distinctive. Subject to genetic isolation, high M ratios, and relatively low Ne estimates suggest loss of genetic variation, and relatedness analysis showed heightened frequencies of related individuals. These insights into population genetics, demographics, and existing guidelines for broodstock acquisition and mating designs can inform genetically cognizant hatchery management and stocking for striped bass in the Roanoke River drainage. In particular, we recommend the use of larger numbers of breeders and factorial mating designs to increase the genetic diversity of propagated striped bass stocked within the Roanoke River drainage.

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Section: Range-wide Genetic Differentiation Of Striped Basssupporting

confidence: 89%

Section: Genetic Structure Of Striped Bass Within the Roanoke River Bmentioning

confidence: 77%

Section: Molecular Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Population Genetic Assessment of Anadromous and Resident Striped Bass (Morone saxatilis) in the Roanoke River System, Eastern United States

Harris

Cope

Wirgin

et al. 2020

Fishes

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River‐of‐origin assignment of migratory Striped Bass, with implications for mixed‐stock analysis

et al. 2022

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Objective The Striped Bass Morone saxatilis is an anadromous teleost with a native range extending north from the Gulf of Mexico into Canadian waters. Far‐ranging coastal migrations support one of the most popular recreational fisheries in the United States. Identifying the underlying population genetic structure of the spawning populations and the genetic markers capable of differentiating among them advances our understanding of these economically and ecologically important fish and enables more targeted management to occur. Methods We used a restriction site‐associated DNA sequencing approach to identify neutral and adaptive single‐nucleotide polymorphisms (SNPs), and we determined the population genetic structure of 438 adult Striped Bass sampled from nine spawning locations along the Atlantic coast from the Roanoke River, United States, to the Miramichi River, Canada. Result The two Canadian populations (Shubenacadie and Miramichi rivers) were genetically distinct from U.S. populations and from each other. Neutral loci differentiated Striped Bass from U.S. waters into four genetically distinct populations: Roanoke River, Hudson–Kennebec River, Upper Chesapeake Bay–Potomac River–Delaware River, and Choptank River (eastern Chesapeake Bay). Outlier loci further differentiated the Delaware River from the Chesapeake Bay tributaries, suggesting that there may be local adaptation in the face of gene flow. We identified 1300 highly informative SNPs (the top 10% [with respect to the genetic differentiation index FST] of the full suite of 13,361 SNPs in our study) capable of assigning fish with at least 90% accuracy to their river of origin; through simulations, we established their applicability for conducting robust mixed‐stock analyses of the coastal migratory Striped Bass fishery. Conclusion This study demonstrated that neutral and adaptive loci together provide evidence for fine‐scale population structure of migratory Striped Bass, and these loci provide the most informative genetic panel for mixed‐stock analysis of Striped Bass to date, capable of assigning fish to their spawning river of origin.

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Elevated levels of per- and polyfluoroalkyl substances in Cape Fear River Striped Bass (Morone saxatilis) are associated with biomarkers of altered immune and liver function

Guillette

McCord

Guillette

et al. 2020

Environment International

106

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Per- and polyfluoroalkyl substances (PFAS) are anthropogenic chemicals of concern that persist in the environment. Environmental monitoring revealed high concentrations of hexafluoropropylene oxide dimer acid (HFPO-DA) and other novel PFAS in the lower Cape Fear River; however, there is limited information on PFAS exposures and effects of this contamination on aquatic biota. Serum concentrations of 23 PFAS in Striped Bass ( Morone saxatilis ) from the Cape Fear River (n = 58) and a reference population from an aquaculture laboratory on the Pamlico/Tar watershed (n = 29) were quantified using liquid chromatography and high-resolution mass spectrometry, and correlations between PFAS concentrations and health-related serum biomarkers were evaluated. Perfluorooctane sulfonate, the predominant PFAS in Cape Fear River Striped Bass serum, was detectable in every sample with serum concentrations reaching 977 ng/mL. Perfluorononanoic and perfluorodecanoic acid were also detected in all samples, with perfluorohexanesulfonic acid present in > 98% of the samples. HFPO-DA (range < 0.24–5.85 ng/mL) and Nafion byproduct 2 (range < 0.2–1.03 ng/mL) were detected in 48% and 78% of samples, respectively. The mean total PFAS concentration found in domestic Striped Bass raised in well-water under controlled aquaculture conditions was 40 times lower, with HPFO-DA detected in 10% of the samples, and Nafion byproduct 2 was not detected. The elevated PFAS concentrations found in the Cape Fear River Striped Bass were associated with biomarkers of alterations in the liver and immune system.

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Genetic Structure of Striped Bass in the Southeastern United States and Effects from Stock Enhancement

Cited by 9 publications

References 72 publications

Population Genetic Assessment of Anadromous and Resident Striped Bass (Morone saxatilis) in the Roanoke River System, Eastern United States

Population Genetic Assessment of Anadromous and Resident Striped Bass (Morone saxatilis) in the Roanoke River System, Eastern United States

River‐of‐origin assignment of migratory Striped Bass, with implications for mixed‐stock analysis

Elevated levels of per- and polyfluoroalkyl substances in Cape Fear River Striped Bass (Morone saxatilis) are associated with biomarkers of altered immune and liver function

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