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plant ecology 
tree growth 

1 record(s) found for principal investigator "Henry, Greg" (multi-year projects are grouped):
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Ecological Studies Along the Gradient From Subarctic Forest to Tundra
Principal Investigator: Henry, Greg H R
Licensed 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....