2 record(s) found for principle investigator "Armstrong, Terry" (multi-year projects are grouped):
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Lake expansion and wetland flooding on the Great Slave Lake Plain
Principal Investigator: Armstrong, Terry
Licenced Year(s): 2014 2013 2012 2011 2010
Summary: The primary objective is to examine changes in lake area in the ecoregion, investigate whether recent changes are part of a longer-term cycle related to large-scale weather patterns or due to permanent changes to the climate and hydrology of the region. Data collection in the field will consist of taking core samples from trees in the area. This technique involves using a hollow drill to cut i...

The Role of Predation in Nesting Success of Black Brant and Lesser Snow Geese
Principal Investigator: Armstrong, Terry
Licenced Year(s): 1993 1992 1991
Summary: This study will entail observing glaucous gulls as they prey on nesting black brant and lesser snow geese. The researcher will attempt to determine why the gulls seem to be more successful when attacking brant nests than snow geese. No birds will be killed or removed during this study....