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- 37Documents of Contemporary War/Raw Images
- 32Oil Sands Research and Information Network (OSRIN)
- 20Joel Martin Halpern Image Archive
- 20Joel Martin Halpern Image Archive/Northern North America Collection
- 9Oil Sands Research and Information Network (OSRIN)/RRTAC Reports
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Strategies for reforestation under uncertain future climates: guidelines for Alberta, Canada
Download2011
Abstract: Background: Commercial forestry programs normally use locally collected seed for reforestation under the assumption that tree populations are optimally adapted to local environments. However, in western Canada this assumption is no longer valid because of climate trends that have...
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2013-02-13
Vinge, T., Powter, C.B., Pyper, M.P.
Ecological resilience, first defined by Holling in 1973, can be broadly described as the capacity of an ecosystem to respond to a perturbation or disturbance by resisting damage and recovering quickly, but other authors have provided variations on this theme since 1973. Ecological resilience is...
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Synecology and autecology of boreal forest vegetation in the Alberta oil sands environmental research program study area
Download1980
A review of the literature pertaining to the forest ecology of the Alberta Oil Sands Environmental Research Program (AOSERP) study area was completed. Because of the complex nature of the vegetation pattern, the dynamic interactions of overstory species, and the relation of understory species to...
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The silhouette of a tree line appears in the fading light of a low sun, El Gorah, Egypt, June 2007
Download2007-06-07
Digitized from Contax T3 35mm film