Revised Aerial Volume Table for Estimating Spruce and Fir Mortality in Minnesota
An aerial volume table for use in estimating mortality in white spruce and balsam fir caused by spruce budworm in northern Minnesota was published in 1965. Since then its validity has been tested by comparing photo interpreters' estimates with field measurements of tree volume losses. The published table does not appear to be valid, and a revised table is suggested for use during the current level of spruce budworm activity.
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Document Type: Journal Article
Affiliations: Research Forester, Pacific Southwest Forest and Range Expt. Sta., Forest Service, U. S. Dept. Agric., Berkeley, Calif.
Publication date: 1969-05-01
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- The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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