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Filtering by: Subject Conifers -- Diseases and pests -- Idaho -- Nezperce National Forest Subject Western spruce budworm -- Idaho -- Nezperce National Forest

Western spruce budworm on the Nez Perce National Forest survey report 1987-1988

Creator:

Gast, Sandy and United States. Forest Service. Northern Region

Resource Type:

Technical Report

Full Text:

. Williams. 1977. Impact of spruce budworm on the Nez Pate National Forest, Idaho, it 1976. USDA For. Serv
Observations on the impact of western spruce budworm on the Nezperce National Forest, Idaho, 1972

Creator:

Ciesla, William M., Lood, Rudolph C., Bousfield, Wayne E., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Aerial surveys of the Nezperce National Forest in Idaho revealed 138,692 acres of aerially visible top kill and tree mortality due to repeated defoliation by western spruce budworm, Choristoneura occidentalis Freeman. A small ground sample indicates that up to 47 percent of the grand fir volume was affected by top...

Resource Type:

Technical Report

Full Text:

Nezperce National Forest in north central Idaho in 1965 and soon caused extensive defolia- tion over large
Impact of spruce budworm on the Nezperce National Forest, Idaho, 1976

Creator:

Bousfield, Wayne E., Williams, Ralph E., and United States. Forest Service. Northern Region. State & Private Forestry

Resource Type:

Technical Report

Full Text:

No. 77-3 IMPACT OF SPRUCE BUDWORM ON THE NEZPERCE NATIONAL FOREST, IDAHO, 1976 by Wayne E

ScholarsArchive@OSU

Western spruce budworm on the Nez Perce National Forest survey report 1987-1988

Observations on the impact of western spruce budworm on the Nezperce National Forest, Idaho, 1972

Impact of spruce budworm on the Nezperce National Forest, Idaho, 1976

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