Principal Investigator:Walker, Xanthe J Licenced Year(s):
The overall objective of this research is to determine the impact of climate change on the ecological patterns and processes of white spruce trees within the forest-tundra transition zone in the Tuktoyaktuk region of the Northwest Territories, Canada. White spruce reproduction, establishment, and growth will be assessed to determine how these parameters may have changed since they were last measur...
Principal Investigator:Greene, David F Licenced Year(s):
The research objective is to show that the fertility of black spruce (Picea mariana) in the Arctic is limited by the amount of pollen in the surrounding air.
After snowmelt, the researchers will choose unburned black spruce “islands” at different distances from the perimeter of the 1999 Lynx Creek fire. Subsequently, as the developing black spruce pollen cones become easy to see, they will remo...
Principal Investigator:Kokelj, Steven V Licenced Year(s):2012201120102009200820072006
There are three main parts in the researchers' project: 1) investigating the relationships between air and ground temperatures across treeline; 2) investigating the effects of permafrost degradation on the water quality of tundra lakes; and 3) examining...
Principal Investigator:MacDonald, Glen M Licenced Year(s):
The researchers believe that the treeline zone is one of the most sensitive areas on earth to temperature changes, both natural and caused by global warming. They would like to take a small core (5 cm diameter) from the mud at the bottom of two small lakes close to Back Lake, northeast of Yellowknife. In the laboratory, they will analyze the cores for temperature-sensitive aquatic insect remains...