What ancient DNA reveals about the ubiquitous rockfish of the Pacific Coast of North America

Moss, Madonna L.; Bingham, Brittany; Blankenship, Raven; DeSilva, Upuli; Frome, Ryan; Capps, Marie; Li, Joy; Palmer, Erica; Sankaranarayanan, Krithivasan; Kemp, Brian M.

doi:10.1007/s12520-021-01452-8

Archaeol Anthropol Sci

2022

DOI: 10.1007/s12520-021-01452-8

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What ancient DNA reveals about the ubiquitous rockfish of the Pacific Coast of North America

Madonna L. Moss

Brittany Bingham

Raven Blankenship

et al.

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Cited by 2 publications

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“…It is suggested that the recorded features “could be applied to identify compression traits” (15) in a range of teleost species whose remains are recovered from archaeological and paleontological sites. Finally, Moss et al ( 2022 ) discuss the utility of ancient DNA (hereafter aDNA) analysis of rockfish (Sebastidae) remains from two sites, 49-PET-556 and 49-PET-067, located on Coffman Cove, Prince of Wales Island, Alaska. In total, 100 rockfish vertebrae were sampled.…”

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confidence: 99%

Fishing Over the Millennia

Robson

Ritchie

2022

Archaeol Anthropol Sci

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mentioning

confidence: 99%

Fishing Over the Millennia

Robson

Ritchie

2022

Archaeol Anthropol Sci

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Archaeogenomic analysis of Chesapeake Atlantic sturgeon illustrates shaping of its populations in recovery from severe overexploitation

Przelomska,

Balazik,

Lin

et al. 2024

Proc. R. Soc. B.

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Atlantic sturgeon ( Acipenser oxyrinchus ssp. oxyrinchus ) has been a food resource in North America for millennia. However, industrial-scale fishing activities following the establishment of European colonies led to multiple collapses of sturgeon stocks, driving populations such as those in the Chesapeake area close to extinction. While recent conservation efforts have been successful in restoring census numbers, little is known regarding genomic consequences of the population bottleneck. Here, we characterize its effect on present-day population structuring and genomic diversity in James River populations. To establish a pre-collapse baseline, we collected genomic data from archaeological remains from Middle Woodland Maycock’s Point (c. 200–900 CE), as well as Jamestown and Williamsburg colonial sites. Demographic analysis of recovered mitogenomes reveals a historical collapse in effective population size, also reflected in diminished present-day mitogenomic diversity and structure. We infer that James River fall- and spring-spawning populations likely took shape in recent years of population recovery, where genetic drift enhanced the degree of population structure. The mismatch of mitogenomic lineages to geographical–seasonal groupings implies that despite their homing instinct and differential adaptation manifested as season-specific behaviour, colonization of new rivers has been a key ecological strategy for Atlantic sturgeon over evolutionary timescales.

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What ancient DNA reveals about the ubiquitous rockfish of the Pacific Coast of North America

Cited by 2 publications

References 28 publications

Fishing Over the Millennia

Fishing Over the Millennia

Archaeogenomic analysis of Chesapeake Atlantic sturgeon illustrates shaping of its populations in recovery from severe overexploitation

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