Results 161 to 170 of about 1,606 (176)
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Journal of Fish Biology, 1997
Relationships between the degree of anadromy, sex ratio and parr growth of Arctic charr Salvelinus alpinus were investigated in Lake Storvatn in Hammerfest town, by estimating the densities of resident and anadromous charr in the lake, and by comparing the smolt characteristics of fish captured in the outlet river with those of fish of the same age in ...
A. H. Rikardsen +2 more
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Relationships between the degree of anadromy, sex ratio and parr growth of Arctic charr Salvelinus alpinus were investigated in Lake Storvatn in Hammerfest town, by estimating the densities of resident and anadromous charr in the lake, and by comparing the smolt characteristics of fish captured in the outlet river with those of fish of the same age in ...
A. H. Rikardsen +2 more
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Transactions of the American Fisheries Society, 2007
AbstractEight coregonine species have been documented in the Yukon River drainage. They include inconnuStenodus leucichthys, broad whitefishCoregonus nasus, humpback whitefishC. pidschian, Alaska whitefishC. nelsonii, least ciscoC. sardinella, Bering ciscoC. laurettae, round whitefishProsopium cylindracium, and pygmy whitefishP. coulterii. Personal use,
Randy J. Brown +2 more
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AbstractEight coregonine species have been documented in the Yukon River drainage. They include inconnuStenodus leucichthys, broad whitefishCoregonus nasus, humpback whitefishC. pidschian, Alaska whitefishC. nelsonii, least ciscoC. sardinella, Bering ciscoC. laurettae, round whitefishProsopium cylindracium, and pygmy whitefishP. coulterii. Personal use,
Randy J. Brown +2 more
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Candidate Genetic Markers Associated with Anadromy in Oncorhynchus mykiss of the Klickitat River
Transactions of the American Fisheries Society, 2011AbstractBoth environmental and genetic factors influence anadromy in rainbow trout Oncorhynchus mykiss, but the genetic mechanisms that contribute to migratory selection are not well understood. In this study, we used a limited genome scan approach to identify candidate genetic markers associated with anadromy in 10 populations of O.
Shawn R. Narum +5 more
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Transactions of the American Fisheries Society, 2001
Abstract The examination of population-specific adaptations of introduced salmonids to the wide range of environments found in Patagonia (southern South America) can help unveil some of the genetic and environmental contributions to life history variation.
Miguel Pascual +5 more
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Abstract The examination of population-specific adaptations of introduced salmonids to the wide range of environments found in Patagonia (southern South America) can help unveil some of the genetic and environmental contributions to life history variation.
Miguel Pascual +5 more
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Environmental Biology of Fishes, 2002
Brook charr, Salvelinus fontinalis, often display alternate life history styles in coastal areas. In the Laval River, some brook charr remain freshwater residents, while others undergo seasonal migrations between freshwater and saltwater environments.
Dominic Boula +3 more
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Brook charr, Salvelinus fontinalis, often display alternate life history styles in coastal areas. In the Laval River, some brook charr remain freshwater residents, while others undergo seasonal migrations between freshwater and saltwater environments.
Dominic Boula +3 more
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Anadromy efficacy of native kokanee in Alturas Lake, Idaho
Lake and Reservoir Management, 2022Kendra R. Eaton, Kurt A. Tardy
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Fisheries Research, 2020
Abstract Choosing among recovery tactics for fish populations is challenged by high costs and uncertain outcomes. Depressed populations of salmonids are often supplemented using hatchery propagation; these strategies may involve releasing fish at different locations, densities, and life stages.
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Abstract Choosing among recovery tactics for fish populations is challenged by high costs and uncertain outcomes. Depressed populations of salmonids are often supplemented using hatchery propagation; these strategies may involve releasing fish at different locations, densities, and life stages.
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Conservation Genetics, 2006
We examine sympatric anadromous (steelhead) and nonanadromous (resident) rainbow trout (Oncorhynchus mykiss) from neighboring locations to test three hypotheses: (1) the sympatric life history types are not genetically different; (2) fine-scale dispersal is the same for both sexes, and (3) fine-scale dispersal is the same for steelhead and resident ...
Jeffrey B. Olsen +4 more
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We examine sympatric anadromous (steelhead) and nonanadromous (resident) rainbow trout (Oncorhynchus mykiss) from neighboring locations to test three hypotheses: (1) the sympatric life history types are not genetically different; (2) fine-scale dispersal is the same for both sexes, and (3) fine-scale dispersal is the same for steelhead and resident ...
Jeffrey B. Olsen +4 more
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Journal of Fish Biology, 2019
AbstractTenualosa ilisha was found recently in the Perak River in western Peninsular Malaysia. Molecular phylogenetic and haplotype network analyses suggest that T. ilisha has two genetically distinct populations/groups: (i) Peninsular Malaysia (Malaysia population), and (ii) Peninsular Malaysia, Thailand, India and Bangladesh (Indian Ocean population).
Takaomi Arai +4 more
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AbstractTenualosa ilisha was found recently in the Perak River in western Peninsular Malaysia. Molecular phylogenetic and haplotype network analyses suggest that T. ilisha has two genetically distinct populations/groups: (i) Peninsular Malaysia (Malaysia population), and (ii) Peninsular Malaysia, Thailand, India and Bangladesh (Indian Ocean population).
Takaomi Arai +4 more
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Environmental Biology of Fishes, 2016
Many aspects of the ecology, growth, life history, and population dynamics of fishes differ between anadromous populations and those residing exclusively in freshwater habitats. Analysis of the elemental composition of otoliths (ear stones) is commonly used to indicate the migration history of individuals, relying on the differences in ambient ...
Troy Jaecks +2 more
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Many aspects of the ecology, growth, life history, and population dynamics of fishes differ between anadromous populations and those residing exclusively in freshwater habitats. Analysis of the elemental composition of otoliths (ear stones) is commonly used to indicate the migration history of individuals, relying on the differences in ambient ...
Troy Jaecks +2 more
openaire +1 more source