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Life-history variab...
Life-history variability and conservation status of landlocked Atlantic salmon : an overview
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- Hutchings, Jeffrey A. (author)
- Dalhousie University, Canada; Flødevigen Marine Research Station, Norway; University of Agder, Norway
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- Ardren, William R. (author)
- Western New England Complex, USA
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- Barlaup, Björn T (author)
- Norwegian Research Centre, Norway
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- Bergman, Eva, 1959- (author)
- Karlstads universitet,Institutionen för miljö- och livsvetenskaper (from 2013),NRRV - Naturresurs Rinnande Vatten
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- Clarke, Keith D. (author)
- Fisheries and Oceans Canada, Canada
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- Greenberg, Larry, 1955- (author)
- Karlstads universitet,Institutionen för miljö- och livsvetenskaper (from 2013),NRRV - Naturresurs Rinnande Vatten
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- Lake, Colin (author)
- Glenora Fisheries Station, Canada
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- Piironen, Jorma (author)
- Natural Resources Institute Finland (Luke), Finland
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- Sirois, Pascal (author)
- Université du Québec à Chicoutimi, Canada
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- Sundt-Hansen, Line E (author)
- Université du Québec à Chicoutimi, Canada
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- Fraser, Dylan J. (author)
- Concordia University, Canada
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(creator_code:org_t)
- Canadian Science Publishing, 2019
- 2019
- English.
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In: Canadian Journal of Fisheries and Aquatic Sciences. - : Canadian Science Publishing. - 0706-652X .- 1205-7533. ; 76:10, s. 1697-1708
- Related links:
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https://doi.org/10.1...
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http://www2.gnb.ca/c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Nonanadromous Atlantic salmon (Salmo salar) exhibit a combination of variation in life history, habitat, and species co-existence matched by few vertebrates. Distributed in eastern North America and northern Europe, habitat ranges from hundreds of metres of river to Europe’s largest lakes. As juveniles, those with access to a lake usually migrate to feed and grow prior to reproduction. Prey such as smelt (Osmerus mordax, Osmerus eperlanus) and vendace (Coregonus albula) facilitate large body size (50–85 cm at maturity) and persistence in high-diversity (>20 fish species) environments; small-bodied salmon (10–30 cm at maturity), relying on insects as prey, coexist with few (fewer than five) other fishes. At maturity, weight varies more than 400-fold (17 to 7200 g) among populations, fecundity more than 150-fold (33 to 5600), and longevity almost fivefold (3 to 14 years). Landlocked salmon are managed to support sustainable fishing, achieve conservation and restoration targets, and mitigate threats; successes are evident but multiple challenges persist. Extraordinary variability in life history coupled with extensive breadth of habitat and species co-existence render landlocked Atlantic salmon singularly impressive from a biodiversity perspective.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- Biology
- Biologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Hutchings, Jeffr ...
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Ardren, William ...
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Barlaup, Björn T
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Bergman, Eva, 19 ...
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Clarke, Keith D.
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Greenberg, Larry ...
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show more...
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Lake, Colin
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Piironen, Jorma
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Sirois, Pascal
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Sundt-Hansen, Li ...
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Fraser, Dylan J.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
- Articles in the publication
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Canadian Journal ...
- By the university
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Karlstad University