1. Banner, A., MacKenzie, W., Haeussler, S., Thomson, S., Pojar, J., Trowbridge, R., 1993. A Field Guide to Site Identification and Interpretation for the Prince Rupert Forest Region. Land Management Handbook No. 26. BC Ministry of Forests, Research Branch, Victoria, BC.
2. BC Ministry of Forests 2003. Site Index Estimates by Site Series: Report by Region (2003 approximation) (available at: http://www.for.gov.bc.ca/hre/sibec/reports/sisu2003ByRegion.pdf, accessed: 7 December 2004).
3. Beckingham, J.D., Archibald, J.H., 1996. Field Guide to Ecosites of Northern Alberta. Spec. Rep. 5. Canadian Forest Service, Northwest Region, Northern Forestry Centre, Edmonton, Alberta.
4. Beckingham, J.D., Nielsen, D.G., Futoransky, V.A., 1996. Field Guide to Ecosites of the Mid-boreal Ecoregions of Saskatchewan. Spec. Rep. 6. Canadian Forest Service, Northwest Region, Northern Forestry Centre, Edmonton, Alberta.
5. Predictions of understory light conditions in northern hardwood forests following parameterization, sensitivity analysis, and test of the SORTIE light model;Beaudet;For. Ecol. Manage.,2002