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Filtering by: Date issued sim 1980-04 Resource Type Technical Report Subject Report (United States. Forest Service. Northern Region. Insect and Disease Management)

Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979

Creator:

Gibson, Kenneth E., Bennett, D. D., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate another 25 percent of the remaining lodgepole pine could be killed in 1980.

Resource Type:

Technical Report
Status of mountain pine beetle, Kootenai National Forest, Montana, 1979

Creator:

McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Mountain pine beetle populations began building in the Kootenai National Forest in 1972. Infestations now encompass an estimated 48,599 acres of lodgepole pine type and 615 acres of ponderosa pine type. Approximately 25 percent of the high-risk stands, 17 percent of the moderate-risk, and less than 1 percent of the...

Resource Type:

Technical Report

ScholarsArchive@OSU

Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979

Status of mountain pine beetle, Kootenai National Forest, Montana, 1979

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