Canadian Forest Service Publications
Predicting tree mortality induced by spruce budworm: a discussion. 1983. Blais, J.R. The Forestry Chronicle 59: 294-297.
Available from: Laurentian Forestry Centre
Catalog ID: 14355
CFS Availability: PDF (request by e-mail)
Forest managers have expressed the need for guidelines that would predict, up to 5 years, the annual spruce budworm damage on a stand basis. Reasons why reliable prediction is generally not possible are discussed. It is suggested that long-term management programs, that would take into consideration periodic losses resulting from recurring budworm outbreaks and that would be based on regional differences in the vulnerability of fir-spruce stands, should be implemented.
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