Canadian Forest Service Publications
Forest insect and disease conditions in Alberta, Saskatchewan, Manitoba, and the Northwest Territories in 1991. 1992. Cerezke, H.F.; Gates, H.S. Forestry Canada, Northwest Region, Northern Forestry Centre, Edmonton, Alberta. Information Report NOR-X-325. 24 p.
Year: 1992
Issued by: Northern Forestry Centre
Catalog ID: 11668
Language: English
Series: Information Report (NoFC - Edmonton)
Availability: Order paper copy (free), PDF (download)
Abstract
Forest pest conditions in Alberta, Saskatchewan, Manitoba, and the Northwest Territories during 1991 are summarized. Major pests are discussed, and additional noteworthy insects, diseases, and tree damage agents are reported in a table. An updating of surveys for acid rain symptoms in permanently established ARNEWS (Acid Rain National Early Warning System) plots and pest damage incidence in young coniferous stands are also reported.