Genetic diversity of coastal Northwest Atlantic herring populations: implications for management

McPherson, Arran A.; Stephenson, Robert L.; O’Reilly, P. T.; Jones, Matthew W.; Taggart, Christopher T.

doi:10.1111/j.1095-8649.2001.tb01396.x

Cited by 45 publications

(27 citation statements)

References 38 publications

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“…Maintaining spatial diversity is as important as rebuilding total numbers, because diversity provides resilience to local changes in environment, exploitation and fish behaviour (McPherson et al, 2001). Ichthyoplankton surveys have allowed us to monitor the abundance of newly hatched larvae and thus the spatial dynamics of the spawning biomass of herring.…”

Section: Discussionmentioning

confidence: 99%

Recolonisation of spawning grounds in a recovering fish stock: recent changes in North Sea herring

Schmidt¹,

Damme²,

Röckmann³

et al. 2009

Sci. Mar.

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SUMMARY: There is evidence that the importance of the different spawning grounds of North Sea autumn-spawning herring has changed. It has been hypothesised that as herring stocks collapse, the diversity of spawning sites also collapses. This was found to be the case in the North Sea autumn-spawning herring, which collapsed in the late 1970s. The ICES International Herring Larval Survey has been carried out since 1972 and covers most of the potential and historic spawning grounds of herring. The recovery of the stock did take place as predicted in terms of biomass, and re-colonisation of old spawning sites also did occur. We show that, despite the delayed response in re-colonisation of the southern spawning areas, there is almost no change in the number of spawning locations where the highest abundances of larvae (top 50%) are found from collapse to recovery (approximately 9 sites). It was a change in these core sites and the spread to other locations with lower larval abundance that caused the spread of herring spawning. We show that larval surveys are a useful tool for describing the dynamics of sub-stock structure in heterogeneous populations such as herring.Keywords: spatial diversity, larvae survey, IHLS, re-colonisation, downs. RESUMEN: RECOLONIZACIÓN DE LAS ÁREAS DE REPRODUCCIÓN EN UN STOCK DE PECES EN RECUPERACIÓN: RECIENTES CAMBIOS EN ELARENQUE DEL MAR DEL NORTE. -Hay pruebas de que la importancia de las diversas zonas de desove de otoño del arenque del Mar del Norte han cambiado. Existe la hipótesis de que cuando las poblaciones de arenque colapsan la diversidad de los lugares de desove también colapsan. Este fue el caso del arenque desovante de otoño en el Mar del Norte, que se derrumbó a finales de 1970. La campaña de larvas de arenque internacional ICES se ha llevado a cabo desde 1972 y cubre la mayoría de las zonas de desove, potenciales o históricas, del arenque. La recuperación de la población se llevó a cabo como se predijo en términos de la biomasa y también ocurrió la recolonización de los antiguos lugares de desove. Se demuestra que a pesar de la demora en la respuesta en el restablecimiento de la colonización de las zonas de desove del sur no hay casi ningún cambio en el número de lugares de desove, en los que la abundancia de larvas fue la más alta(>50%) desde el colapso a la recuperación (alrededor de 9 sitios). Se trata de un cambio en estos lugares centrales y la propagación a otros lugares con menor abundancia de larvas que producen la propagación del arenque desovante. Se demuestra que las campañas de larvas son una herramienta útil para describir la dinámica de la estructura de sub-stocks en poblaciones heterogéneas, como las de arenque.Palabras clave: diversidad espacial, campañas de larvas, IHLS, recolonización, altibajos.

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Section: Discussionmentioning

confidence: 99%

Recolonisation of spawning grounds in a recovering fish stock: recent changes in North Sea herring

Schmidt¹,

Damme²,

Röckmann³

et al. 2009

Sci. Mar.

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“…Tissue samples (blood, fin, or muscle) were collected from spawning stage Atlantic herring at ten locations along the Scotian Shelf, in the Bay of Fundy, and in the Gulf of Maine (Figure 1) in 1998(Figure 1) in , 1999(Figure 1) in , and 2000 (Table 1). Analyses of a subset of some of these collections (Bras d'Or Lake, Georges Bank, Devastation Shoal, Eastern Passage, and Three Fathoms Harbour) were previously reported in McPherson et al (2001b) and discussed in relation to the management of intraspecies genetic diversity along the southern coast of Nova Scotia. Herring from the vicinity of Iceland and the Celtic and Baltic Seas were included in the analyses presented here to provide comparisons of differentiation across the species' range.…”

Section: Methodsmentioning

confidence: 99%

“…In contrast, rejections of the null hypothesis of no genetic differentiation among small numbers of populations of northeastern (NE) and northwestern (NW) Atlantic herring have been reported (Shaw et al 1999;McPherson et al 2001b). However, the geographic distances encompassed by the ''population'' samples used in most contemporary studies have generally been limited, and the potential for temporal variation among allele frequencies within location-specific samples was not explicitly assessed.…”

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confidence: 97%

Genetic Differentiation, Temporal Stability, and the Absence of Isolation by Distance among Atlantic Herring Populations

McPherson

O’Reilly

Taggart

2004

Transactions of the American Fisheries Society

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Abstract.-The genetic variation among 17 spawning groups of Atlantic herring Clupea harengus was assessed at several temporal and spatial scales using nine tetranucleotide microsatellites. PanAtlantic samples were drawn from the Scotian Shelf, the Celtic Sea, the Baltic Sea, and coastal Iceland. Significant differentiation was observed between northeastern and northwestern Atlantic herring (F ST ϳ 0.065) and among northwestern Atlantic spawning groups (max F ST ϭ 0.014) at the spatial scale of the Scotian Shelf. Geographic distance among Scotian Shelf collections did not explain the pattern of genetic differentiation observed (e.g., lack of isolation by distance). The temporal proximity of collections (as measured by days between collections) explained 30% of the pairwise population differentiation (P ϭ 0.0025). Allele frequencies of replicate samples and year-class analyses demonstrate temporal stability at four locations.

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“…Similar to the NE Atlantic populations, herring in the NW Atlantic undergo north-south and inshore-offshore migrations for feeding and reproduction (19), with spawning taking place mostly during spring and autumn (20) from Cape Cod to northern Newfoundland (14). Previous genetic studies based on a small number of microsatellite markers reported weak but significant genetic structuring between NW and NE Atlantic populations as well as among spawning aggregations within the NW Atlantic (21,22).…”

Section: Significancementioning

confidence: 99%

Parallel adaptive evolution of geographically distant herring populations on both sides of the North Atlantic Ocean

Lamichhaney

Fuentes‐Pardo

Rafati

et al. 2017

Proc. Natl. Acad. Sci. U.S.A.

111

142

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Atlantic herring is an excellent species for studying the genetic basis of adaptation in geographically distant populations because of its characteristically large population sizes and low genetic drift. In this study we compared whole-genome resequencing data of Atlantic herring populations from both sides of the Atlantic Ocean. An important finding was the very low degree of genetic differentiation among geographically distant populations (fixation index = 0.026), suggesting lack of reproductive isolation across the ocean. This feature of the Atlantic herring facilitates the detection of genetic factors affecting adaptation because of the sharp contrast between loci showing genetic differentiation resulting from natural selection and the low background noise resulting from genetic drift. We show that genetic factors associated with timing of reproduction are shared between genetically distinct and geographically distant populations. The genes for thyroidstimulating hormone receptor (TSHR), the SOX11 transcription factor (SOX11), calmodulin (CALM), and estrogen receptor 2 (ESR2A), all with a significant role in reproductive biology, were among the loci that showed the most consistent association with spawning time throughout the species range. In fact, the same two SNPs located at the 5′ end of TSHR showed the most significant association with spawning time in both the east and west Atlantic. We also identified unexpected haplotype sharing between spring-spawning oceanic herring and autumn-spawning populations across the Atlantic Ocean and the Baltic Sea. The genomic regions showing this pattern are unlikely to control spawning time but may be involved in adaptation to ecological factor(s) shared among these populations.genetic adaptation | Atlantic herring | parallel evolution | reproductive strategies | whole-genome resequencing

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Genetic diversity of coastal Northwest Atlantic herring populations: implications for management

Cited by 45 publications

References 38 publications

Recolonisation of spawning grounds in a recovering fish stock: recent changes in North Sea herring

Recolonisation of spawning grounds in a recovering fish stock: recent changes in North Sea herring

Genetic Differentiation, Temporal Stability, and the Absence of Isolation by Distance among Atlantic Herring Populations

Parallel adaptive evolution of geographically distant herring populations on both sides of the North Atlantic Ocean

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