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geneticsbiology
fish
fisheries assessment
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fish migration
arctic char
aquaculture
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arctic flora
landscape disturbance
plant productivity
arctic region
morphology
fish population
biological evolution
fish distribution
sculpin
plants
plant growth
6 dossier(s) trouvé(s) portant l’étiquette "taxonomy" (les projets pluriannuels sont regroupés):
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Molecular and otolith tools to investigate population of origin of Arctic cisco
chercheur principal: Nielsen, Jennifer L.
Année(s) de permis: 2008 2007
Résumé: This study aims to: 1) use genetics and otolith (ear bone) microchemistry to determine if differences exist between collections of Arctic cisco (herring) made from tributaries of the Mackenzie River (Canada) and the Colville River (Alaska) and 2) use differences to identify population-of-origin of fish caught in the Colville River subsistence fishery. Approximately 60 Arctic cisco will be colle...
Année(s) de permis: 2008 2007
Résumé: This study aims to: 1) use genetics and otolith (ear bone) microchemistry to determine if differences exist between collections of Arctic cisco (herring) made from tributaries of the Mackenzie River (Canada) and the Colville River (Alaska) and 2) use differences to identify population-of-origin of fish caught in the Colville River subsistence fishery. Approximately 60 Arctic cisco will be colle...
Assessment of lake trout stocks in Great Bear Lake
chercheur principal: Howland, Kimberly
Année(s) de permis: 2007 2006 2005
Résumé: The objectives of this research are: 1) to gather baseline data on size, age structure, fecundity (egg number per female), growth and mortality for lake trout in the study area; 2) to determine if lake trout are genetically distinct between basins of Great Bear Lake; and, 3) to determine the extent of movements by lake trout in Great Bear Lake by using molecular genetics. Field crews will be tr...
Année(s) de permis: 2007 2006 2005
Résumé: The objectives of this research are: 1) to gather baseline data on size, age structure, fecundity (egg number per female), growth and mortality for lake trout in the study area; 2) to determine if lake trout are genetically distinct between basins of Great Bear Lake; and, 3) to determine the extent of movements by lake trout in Great Bear Lake by using molecular genetics. Field crews will be tr...
The biogeography and ecology of deepwater sculpin (Myoxocephalus thompsoni): conservation of a glacial relict
chercheur principal: Sheldon, Tom
Année(s) de permis: 2004
Résumé: The deepwater sculpin is a small species of fish found only in the deepest lakes in Canada. Its closest relative is the marine fourhorn sculpin which is distributed in shallow marine waters of the arctic North American coast. To resolve the issue of orig...
Année(s) de permis: 2004
Résumé: The deepwater sculpin is a small species of fish found only in the deepest lakes in Canada. Its closest relative is the marine fourhorn sculpin which is distributed in shallow marine waters of the arctic North American coast. To resolve the issue of orig...
Canadian Arctic Plants: Systematics, Evolution and Floristics
chercheur principal: Gillespie, Lynn J.
Année(s) de permis: 2003 2000
Résumé: This research will study variation among arctic plants (bluegrasses, alkali grasses, arctic poppies, arctic mustards) to better define species so that arctic plants may be more easily identified, and to better understand the origin and evolutionary relat...
Année(s) de permis: 2003 2000
Résumé: This research will study variation among arctic plants (bluegrasses, alkali grasses, arctic poppies, arctic mustards) to better define species so that arctic plants may be more easily identified, and to better understand the origin and evolutionary relat...
Enhancement of Arctic Charr Culture in Canada
chercheur principal: Ballantyne, James
Année(s) de permis: 1998
Résumé: The project will develop new, improved lines of arctic charr for the aquaculture industry by sampling arctic charr from sites throughout the Canadian arctic, characterizing the charr physiologically and genetically, and selectively breeding for traits desirable for hatchery culture (improved survival at higher temperatures and salinities). Genetic characterization will facilitate future stock iden...
Année(s) de permis: 1998
Résumé: The project will develop new, improved lines of arctic charr for the aquaculture industry by sampling arctic charr from sites throughout the Canadian arctic, characterizing the charr physiologically and genetically, and selectively breeding for traits desirable for hatchery culture (improved survival at higher temperatures and salinities). Genetic characterization will facilitate future stock iden...
A biosystematic treatment of the Potentiall nivea L. complex in North America.
chercheur principal: Marvin, LuDean
Année(s) de permis: 1987
Résumé: To re-define the classification of the Potentilla nivea L. complex using methods based on modern plant systematics. Some of the techniques and methods to be used will include chromosome counts, pollen and seed viability tests, guard cell measurements, SEM of pollin exine variations, flavonoid chemistry and numerical analyses. Attempts will be made to determine if correlations exist between morph...
Année(s) de permis: 1987
Résumé: To re-define the classification of the Potentilla nivea L. complex using methods based on modern plant systematics. Some of the techniques and methods to be used will include chromosome counts, pollen and seed viability tests, guard cell measurements, SEM of pollin exine variations, flavonoid chemistry and numerical analyses. Attempts will be made to determine if correlations exist between morph...
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