22 record(s) found with the tag "plant communities" (multi-year projects are grouped):
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Muskox habitat use, periglacial landforms, and plant community associations of Sverdrup Pass (Ellesmere Island); Plant succession in the polar desert (Devon Island)
Principal Investigator: Svoboda, Joseph
Licensed Year(s): 1994 1993 1992 1991 1988 1987
Summary: to determine number and habitat use of muskox herds in Sverdrup Pass; to assess effects of muskox grazing on vegetation; to determine grazing intensity of muskox on vegetation in area; to establish origin of periglacial landforms in area and their effect on plant community development; to investigate plant succession in a polar desert on Devon Island....


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 #4089
Principal Investigator: Thannheiser, Dietbert
Licensed Year(s): 1984
Summary: To study plant communities and their distribution patterns as a follow-up to previous studies....


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 #4037
Principal Investigator: Moorhouse, Jeanette
Licensed Year(s): 1984
Summary: To identify vascular plant species and collecting voucher specimens, and collecting phytosociological data for representative plant communities....


Licence #2768
Principal Investigator: Timoney, Kevin P.
Licensed Year(s): 1982
Summary: To better understand the ecology of the treeline. Objectives include: determination of the treeline width, description of geographic variation and vegetation pattern change with treeline fluctuations....


Licence #2738
Principal Investigator: Svoboda, Josef
Licensed Year(s): 1982
Summary: To a continuation of a study involving plant communities peculiar to the area....


Licence #2650
Principal Investigator: Thannheiser, Dietbert
Licensed Year(s): 1981
Summary: To study plant communiites and their distribution patterns as a follow-up to previous visits made in 1971 and 1973....


Licence #2372
Principal Investigator: Scotter, G.W.
Licensed Year(s): 1978
Summary: Reindeer range study: (1) To map major plant communities which make up winter and summer ranges. (2) To make estimates of quality and quantity of available winter and summer ranges....


Licence #2345
Principal Investigator: Thannheiser, Dietbert
Licensed Year(s): 1978
Summary: To study plant communities and their distribution patterns as a follow-up to previous visits made in 1971 and 1973....


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