12 Dossier(s) trouvé(s) à l’emplacement "Tuktoyaktuk" (les projets pluriannuels sont regroupés):
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Botanical collecting - Dempster Highway and Mackenzie Delta
chercheur principal:
Année(s) de permis: 2009
Résumé: This licence is being issued for the scientific research application No.1095. The objective of this research is to obtain specimens of the major plant species comprising the plant communities found in the northwestern Northwest Territories, especially those riparian ones not found in the adjacent Yukon Territory. The researchers will employ standard botanical field techniques and equipment...


Hybridization and genetic variation in arctic grasses: molecular, morphological and ecological evidence.
chercheur principal:
Année(s) de permis: 1997 1995 1994
Résumé: We plan to collect living plants, 6-10 plants of each species from each collection site. In addition, several plants of each species will be pressed and dried as voucher specimens to be used to check the identification. Photographs of the plants and their habitats will be made in the field and will be used for both research and teaching purposes. Upon our return to Ottawa the plant material wil...


Climatic Change at the Forest-Tundra Boundary
chercheur principal:
Année(s) de permis: 1992 1991 1990
Résumé: To determine the maximum size of treeline tree species in a burned and unburned valley in the Caribou Hills, the mass of standing trees on different slopes and aspects will be estimated and related to the energy input. In 1992 the plots prepared in 1990 and planted and seeded in 1991, will be revisited and measurement of growth for the second growing season will be taken....


Ecologie de la Reproduction des Plants Turbicoles et Arctic
chercheur principal:
Année(s) de permis: 1991
Résumé: The Researcher will study the behavior of pollinating insects (bees) in ecosystems dominated by plants of the blueberry family (Ericacees). They will investigate competition between flowering plants syncronized for the same insect pollinators. Most of their work will be conducted on Herschel Island. Minimal study will be conducted near Tuktoyaktuk near their base camp at Polar Continental Shelf Pr...


Apical Dominance and Growth Form in Herbaceous Sub-Arctic Plants
chercheur principal:
Année(s) de permis: 1990
Résumé: The Researcher will survey growth forms at two sites: one highly disturbed (i.e. a roadside) and one undisturbed site ( i.e. a field). The plants will be measured and a shoot removed from approximately 20-100 plants. Seeds will be collected....


Licence #5023
chercheur principal:
Année(s) de permis: 1985
Résumé: April - to take 5 cm diamete rcores of unconsolidated lake mud from 6 small lakes; July - to conduct a survey of the vegetation surrounding the lakes sampled in the above winter coring operation....


Licence #4081
chercheur principal:
Année(s) de permis: 1984
Résumé: Field sampling coupled with air photo interpretation are used to describe vegetation zonation. Objectives include: a) a delimitation of the subarctic forest-tundra ecotone; b) geographic variation in the vegetation, sorts, species ranges, and width and position of the forest-tundra....


Licence #2602
chercheur principal:
Année(s) de permis: 1980
Résumé: Life history study of the grasses Phippsia algida and Puccinellia vaginata. To compare plant growth forms of these two grasses in low and high Arctic conditions....


Licence #2574
chercheur principal:
Année(s) de permis: 1980
Résumé: To study the area to determine how the climate affects the vegetation and how the vegetation in turn encourages certain types of small animal habitation....


Licence #2566
chercheur principal:
Année(s) de permis: 1980
Résumé: To undertake a study of the tundra biomass (general vegetation) as part of a larger study on permafrost....


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