8 record(s) found with the tag "shrub" (multi-year projects are grouped):
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Changing beaver distribution and occupancy in north-west Canada
Principal Investigator: Wheeler, Helen
Licensed Year(s): 2023 2022 2021 2020
Summary: This licence has been issued for the scientific research application No. 5634. Objectives: 1, To monitor beaver occurrence changes; 2, To assess past beaver occupancy patterns using shrub ring analysis; and, 3, To understand how permanent and transient beaver populations impact their environment. Activities: 1. Conduct canoe and boat-based visual surveys to map beaver distribution in the...


Evaluating the environmental impacts of permafrost mega-disturbances along the Dempster Highway, NWT
Principal Investigator: Kokelj, Steven V
Licensed Year(s): 2014 2013 2012 2011 2010
Summary: The objective of this research project is to document the extent of ecological change in impacted stream basins draining the eastern slope of the Richardson Mountains and to determine the mechanisms of slump initiation and stabilization. This study will focus on the Stoney Creek catchment, which runs parallel to the Dempster Highway and empties into the Peel River at Fort McPherson, NT. The catchm...


Prescribed fire and vegetation dynamics in the Slave River lowlands, N.W.T.
Principal Investigator: Quinlan, Allyson
Licensed Year(s): 1998
Summary: The principle researcher and one (or two) field assistants will be flown into Hook Lake base camp by either helicopter or fixed wing aircraft (transportation and field support confirmed by Renewable Resources, NWT). Temporary vegetation (herbaceous) transects will be established on the following prairies in the Hook Lake area: Dan's Prairie, North Prairie, Paul's Prairie, Ann's Prairie, Hook Lake ...


The Mineral Nutritions of the Arctic Willow, Salix Arctica.
Principal Investigator: Lewis, Martin
Licensed Year(s): 1987
Summary: To follow the seasonal phenological pattern of nutrient use by the willow, as well as laboratory work involving fertilization experiments....


Licence #5101
Principal Investigator: Lewis, M.C.
Licensed Year(s): 1985
Summary: (a) comparison of resource allocation and reproductive strategies in Arctic plants; (b) ecological distribution of lichens and their potential as monitors of Arctic population; (c) hybridization and introgression in Arctic willows; (d) description and analysis of diversity in tundra plant communities....


Licence #4085
Principal Investigator: Lewis, M.C.
Licensed Year(s): 1984
Summary: To complete studies begun in 1976 of plant species and vegetational communities and to undertake field studies to investigate sex ratios of arctic willows (Salix spp.) in relation to habitat, as there appears to be a predominance of female plants in many habitats. Seeds will be collected to observe this phenomenon in arctic willows....


Licence #2770
Principal Investigator: Wills-Adkins, Betty
Licensed Year(s): 1982
Summary: To sample shrubs near tree-line in order to asses the value of dendrochronological techniques in determining climatic variations....


Licence #2326
Principal Investigator: Bliss, Lawrence
Licensed Year(s): 1978
Summary: (1) Study of growth paterns of evergreen shrubs in a low shrub tundra, evaluate winter roads and salt water spills at well sites. (2) Life history study of the grass, Alopecurus alpinus, a study of the cold hardiness of certain high arctic plants and a study of natural ground slumps....


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