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2 record(s) found for principal investigator "Greene, David" (multi-year projects are grouped):
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Black Spruce Fertility at the Arctic Treeline
Principal Investigator: Greene, David F
Licensed Year(s): 2009
Summary: 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...
Licensed Year(s): 2009
Summary: 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...
Tree regeneration on seismic lines
Principal Investigator: Greene, David F
Licensed Year(s): 2005 2004
Summary: The purpose of this project is to identify the factors that promote or retard forest regrowth after seismic line cutting. Little was known about tree regeneration on seismic lines until the 2001-2003 study by Seccombe-Hett and Walker-Larsen, which showed that older lines were well-stocked but that the delay in coloniziation might be caused by dramatic subsidence and resulting water-logging. ...
Licensed Year(s): 2005 2004
Summary: The purpose of this project is to identify the factors that promote or retard forest regrowth after seismic line cutting. Little was known about tree regeneration on seismic lines until the 2001-2003 study by Seccombe-Hett and Walker-Larsen, which showed that older lines were well-stocked but that the delay in coloniziation might be caused by dramatic subsidence and resulting water-logging. ...
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