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Monday, May 11, 2020 | History

3 edition of Genetic diversity in Atlantic salmon and salmon management in relation to genetic factors. found in the catalog.

Genetic diversity in Atlantic salmon and salmon management in relation to genetic factors.

Dag MГёller

Genetic diversity in Atlantic salmon and salmon management in relation to genetic factors.

by Dag MГёller

  • 263 Want to read
  • 20 Currently reading

Published by International Atlantic Salmon Foundation in New York .
Written in English

    Subjects:
  • Atlantic salmon -- Genetics.,
  • Fishes -- Racial analysis.,
  • Transferrin.,
  • Zone electrophoresis.,
  • Fishes -- Breeding.,
  • Fishes -- Genetics.

  • Edition Notes

    SeriesInternational Atlantic Salmon Foundation. Special publication series,, v. 1, no. 1, Special publication series (International Atlantic Salmon Foundation) ;, no. 1.
    Classifications
    LC ClassificationsQL638.S2 M63
    The Physical Object
    Pagination29 p.
    Number of Pages29
    ID Numbers
    Open LibraryOL3899924M
    LC Control Number81462014

    1. Introduction. Marine species display a range of levels of genetic divergence among populations, from panmictic species to species with marked genetic structure, as a consequence of reduced gene flow, genetic drift and/or local adaptation [].Transferring individuals between spatially separated populations that are genetically distinct is likely to result in genetic changes to native :// Atlantic salmon (Salmo salar) were first commercially farmed in the s in Norway (Tilseth et al., ) and now salmon farming has become one of the most successful forms of aquaculture (Asche

    Interpopulation Variation in the Atlantic Salmon Microbiome Reflects Environmental and Genetic Diversity by: Consuegra del Olmo, Sofia Published: () Environmental plasticity and colonisation history in the Atlantic salmon microbiome: A translocation experiment The risk to Atlantic salmon was considered very high. Thus, salmon populations on both coasts are likely to contract northward for similar reasons. Diadromous species rely on sequential freshwater, estuarine, and marine habitats; therefore, these species face a diverse suite of threats from climate change throughout their complex life ://?id=/

      Organization (NASCO), pursuant to its role in international management of salmon. NASCO was set up in by in-ternational convention (the Convention for the Conservation of Salmon in the North Atlantic Ocean), with a responsi-bility for the conservation, restoration, enhancement, and rational management of wild salmon in the North Reports/Advice///Salmon_Introduction_Other.   Genetic diversity is essential for organisms to adapt to changing environmental conditions and is recognised as a key component of biodiversity (e.g. [1, 2]).Microsatellite markers (also known as simple sequence repeats, SSRs) are a widely used marker system to estimate genetic diversity in population genetic studies and are often implicitly assumed to reflect the genome-wide diversity of a


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Genetic diversity in Atlantic salmon and salmon management in relation to genetic factors by Dag MГёller Download PDF EPUB FB2

Additional Physical Format: Online version: Møller, Dag, Genetic diversity in Atlantic salmon and salmon management in relation to genetic ://   complete overview of genetic structure of salmon from northern Europe, but also serves as a genetic baseline data for identifying stock of origin for individuals caught in mixed stock fisheries.

Hence, stock of origin was estimated for more than 23 Atlantic salmon sampled from coastal fishery catches of Northern Norway and White Sea.

Results of salmon/Dokument/Scientific reports. The effects of feeding an 80% plant protein diet, with and without fish protein hydrolysate (FPH) supplementation, on the growth and gut health of Atlantic salmon were investigated. Fish were fed   Keywords: Atlantic salmon, Temporal variation, Genetic diversity, Genetic structure, Fishing pressure Background Most empirical studies of genetic structure in natural populations use a single sampling time point, assuming that the genetic pattern is stable over time [1].

However, temporal fluctuations in the allelic frequencies due to   Research on the genetic factors which influence the resistance of various salmon species to IHN indicated that differences in IHN susceptibility in salmon may result from species-specific differences in the ability to prevent the virus from entering host cells, rather than the   • The long -term consequences of introgression across river stocks can be expected to lead to erosion of genetic diversity and therefore to decreased resilience.

Request. With respect to Atlantic salmon in the North Atlantic area: advise on possible effects of salmonid aquaculture on wild Atlantic salmon populations focusing on Reports/Advice//Special_Requests/NASCO. The North Atlantic Salmon Conservation Organization (NASCO) and the International Council for the Exploration of the Sea (ICES) are inter-governmental organizations.

NASCO’s objective is to contribute through consultation and cooperation to the conservation, restoration, enhancement and rational management of salmon in the North Atlantic Salmon Watch Ireland has highlighted, since it's inception inthe alarming decline of Atlantic salmon and sea trout in Ireland.

Ireland's Atlantic Salmon resource is rapidly declining from the historic adult runs of up to 2 million fish in the 's to less than thousand fish now reaching our are dedicated to the conservation of Atlantic salmon and Sea trout in Ireland and   Effective population size (N e) is a central evolutionary concept, but its genetic estimation can be significantly complicated by age structure.

Here we investigate N e in Atlantic salmon (Salmo salar) populations that have undergone changes in demography and population dynamics, applying four different genetic estimators.

For this purpose we use genetic data (14 microsatellite markers   Understanding the risks and benefits of hatchery and stocking activities to wild Atlantic salmon populations. Report of a Theme-based Special Session of the Council of NASCO. NASCO Council document CNL(17)6 1. pp Edited by Chaput, G., Knight, P., Russell, I., Sivertsen, A., Hutchinson, P.

and Forero Segovia, S. Introduction. The Atlantic salmon (Salmo salar) is a highly valued species culturally and economically, generating significant revenue through both fish farming and coastal and river production of farmed salmon in the North Atlantic has increased dramatically since the industry began in the s, reaching approximately t in ().

Abstract. Farmed Atlantic salmon (Salmo salar) escape from net pens and enter rivers to spawn, potentially resulting in genetic introgression and reduced fitness of wildwe quantify genetic introgression of farmed to wild salmon, using molecular genetic markers, in populations from salmon rivers, representing three-quarters of the total wild salmon spawning population in ://   Captive rearing is known to impact the fitness of individuals released in the wild, but the relative role of genetic vs.

nongenetic underlying processes is still debated. We measured genome-wide methylation profiles to document epigenetic differences between Pacific salmon originating from a hatchery and their natural-born congeners in two geographically distant ://   Atlantic salmon (Salmo solar, Salmonidae) show a diversity of life history, behavioural and morphological adaptations for reproduction which have evolved as an outcome of competition to maximize reproductive success.

Reproductive traits of females have been shaped principally by natural selection for offspring production and survival, those of males by sexual selection for access to ://   Concerns about the potential evolutionary effects of salmon fishing are now a century old, but relatively few studies of these effects are available, and none of these investigations provides direct evidence for fisheries-induced evolution (Table 2).Stone (, ) and Rutter () appear to have been the first to speculate in the literature that salmon fisheries might enhance the   2.

The IBSEM Model. The life history of salmon [] has been divided into three main phases: embryonic, juvenile and oceanic (adult).These phases broadly reflect the Atlantic salmon′s life history in the wild, and the timing of each phase has been set based upon knowledge of this life-cycle [].The embryonic phase conducted in freshwater is divided into two sub-phases: egg (egg) and alevin (al).

Early Growth Performance of Atlantic salmon full-sib families reared in single family tanks versus in mixed family tanks. Aquaculture Costa-Pierce, B. A., and R. Doyle. Genetic identification and status of California regional strains in southern   Fluvial salmonids have evolved to use the diversity of habitats in natural streams for different life history stages and at different seasons.

Required freshwater habitat of Atlantic salmon can be classified generally as that suitable (i) for spawning, (ii) for feeding during the major growing period, and (iii) for overwintering. Spawning habitat of salmon is usually in rapid water at the tail The first book of its kind in the area of freshwater/marine biodiversity, this extensive work reviews the present status of genetic resource management, its needs and constraints, various intervening human factors such as pollution and overfishing, and problems posed by different species and :// The success of genetic improvement obtained in fish breeding programs depends on the genetic diversity of the founder populations and how the base population is constructed, as they influence the genetic variation of the.

Many native Atlantic salmon populations have been invaded by domesticated escapees for three decades or longer. However, thus far, the cumulative level of gene-flow that has occurred from farmed to wild salmon has not been reported for any native Atlantic salmon population. The aim of the present study was to investigate temporal genetic stability in native populations, and, quantify gene   Genetic determination of the contribution of stocked and wild Atlantic salmon, Salmo salar L., to the angling fisheries in two Spanish rivers.

J Fish Biol – Google Scholar  Salmon / ˈ s æ m ə n / is the common name for several species of ray-finned fish in the family fish in the same family include trout, char, grayling and are native to tributaries of the North Atlantic (genus Salmo) and Pacific Ocean (genus Oncorhynchus).Many species of salmon have been introduced into non-native environments such as the Great Lakes of