1. Alberta Environment, 2007. Facts about climate change. Alberta Environment, Edmonton, AB. http://www3.gov.ab.ca/env/climate/docs/Fact_Book.pdf [accessed 2007 May 15].
2. Permanent Sample Plot Field Procedures Manual;Alberta Land and Forest Service,1994
3. Consistent growth of black cottonwoods despite temperature variation across elevational ecoregions in the Rocky Mountains;Berg;Trees,2007
4. Model Selection and Multimodel Inference: A Practical Information-Theoretic Approach;Burnham,2002
5. Carroll, A.L., Régnière, J., Logan, J.A., Taylor, S.W., Bentz, B., Powell, J.A., 2006. Impacts of climate change on range expansion by the mountain pine beetle. Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre, Victoria, BC. Mountain Pine Beetle Initiative Working Paper 2006-14. 20 pp.