A study to gather information about the establishment and growth of broadleaf trees, and to compare their performance with that of common conifer species in the eastern half of the former Cariboo Forest Region (now part of the Southern Interior Forest Region), was established in 1993. Black cottonwood, aspen, birch, interior spruce, and lodgepole pine were planted on sites in the ICHwk2, SBSwk1, SBSdw1, SBSdw2, and IDFdk3 biogeoclimatic variants. Conifers were performing well after 10 years, but survival of broadleaves was generally poor and their growth was moderate at best. Broadleaves readily naturally regenerate in the Cariboo following disturbance, however, and generally have better initial growth than conifers. Therefore, these results should not be considered representative of the overall potential of broadleaf trees to contribute to the maintenance of forest health and timber supply in the Cariboo. This paper provides 10 years of results from this study and includes conclusions and recommendations regarding the potential use of planted broadleaf seedlings in the Cariboo.
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Updated April 18, 2007