4 record(s) found for principle investigator "Henry, Greg" (multi-year projects are grouped):
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Impacts from climate change on berry productivity in the Canadian Arctic: Integrating community participation with science
Principal Investigator: Henry, Greg H R
Licenced Year(s): 2013 2012
Summary: The main objective of the Berry Project is to establish a long-term community-based monitoring program in arctic communities using culturally important berry species as indicators of climate change. The project’s main objectives for the Daring Lake Tundra Science Camp are to bring awareness to the effects of climate change and to expand environmental stewardship. These goals can be achieved by del...


Ecology of White Spruce at the Species Limit in North West Canada
Principal Investigator: Henry, Greg H R
Licenced Year(s): 2009 2008
Summary: This license has been issued for the scientific research application #868. The objectives of this research are to determine what changes have occurred in spruce trees near the treeline in response to the warming climate of the Mackenzie Delta region over the past 20-50 years. The researchers will visit sites measured in the early 1990s and repeat the same measurements, which will allow them to ...


Ecological Studies Along the Gradient From Subarctic Forest to Tundra
Principal Investigator: Henry, Greg H R
Licenced Year(s): 1995 1994 1993 1991
Summary: The researchers want to determine the age of the isolated "tree islands" and how they manage to grow so far from the treeline. Researchers look for old stems for carbon dating, and map the position of each stem. The age and growth rates of the trees are determined by counting and measuring tree-rings. This year plant communities found on south-facing slopes down the Anderson River will be studied....


Responses of Circumpolar Plant Species and Their Communities To Simulated Climate Change
Principal Investigator: Henry, Greg H R
Licenced Year(s): 1994 1993 1992
Summary: Researchers have established field experiments in 5 plant communities to simulate climate change scenarios (i) no change; (ii) warmer, longer seasons with earlier snow melt; (iii) warmer growing seasons with later snow melt. The temperatures are increased in small open-topped greenhouses and the date of snow melt is changed by adding or removing snow. Tagged plants of the major vascular plant spec...


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