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Sampling and estimating populations of insect seed-predators in coniferous forests

Creator:: Russell, Malcolm Howard
Resource Type:: Masters Thesis
Full Text:: probability sampling methods for estimating populations of conifer cones and seeds and their associated

Bark beetle conditions, Northern Region, 1978

Creator:: McGregor, Mark D., Gibson, Kenneth E., Bennett, D. D., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: trees larger than 6 inches dbh. There was no apparent association between root disease and bark beetle

Natural mortality in a Douglas-fir tussock moth infestation in Idaho, 1974

Creator:: Tunnock, Scott, McGregor, Mark D., Lood, Rudolph C., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mortality from various causes was recorded in a Douglas-fir tussock moth, Orgyia pseudotsugata McD., outbreak southeast of Coeur d'Alene, Idaho, in 1974. Observations began June 27 when about 50 percent of the larvae were second instars and continued until pupation. Within a 35-day period, there was a 93 percent average...
Resource Type:: Technical Report
Full Text:: 1935 to 1965. Each outbreak collapsed at the end of 3 years and a virus disease appeared to be the

Seedling disease at Coeur d'Alene forest nursery and its relation to outplanting survival

Creator:: Carlson, Clinton E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Diseased conifer nursery stock, including Douglas-fir, western larch, and Engelmann spruce, was selected from the U.S. Forest Service nursery at Coeur d'Alene, Idaho, to determine (1) the most probable cause of disease, (2) the fate of outplanted diseased stock, and (3) the height growth of outplanted diseased seedlings. Fusarium spp....
Resource Type:: Technical Report
Full Text:: positive proof that one or more of the fungi isolated were the cause of conifer seedling disease and were

Baiting to reduce losses of conifer seeds to small forest mammals

Creator:: Hooven, Edward F. (Edward Frank) and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: . vagrans), and chipmunks (Zapus trinotatus). All of these small mammals will eat conifer seeds, but the

Observations of impact on the Nezperce National Forest caused by the Douglas-fir tussock moth

Creator:: Bousfield, Wayne E., Ward, James D., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: . Bousfield and James D. ''a R N --N.. ..:. . b̀- Oa r- 14n Ix1 14 , --A INTRODUCTION D e n 1 7-.Th

Western spruce budworm impact evaluation, Yoosa Creek, Clearwater National Forest, Idaho, 1974

Creator:: Bousfield, Wayne E., Underwood, P. W., Lood, Rudolph C., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: . Bousfield,l/ P.W. Underwood,?/ and R.C. LoodF INTRODUCTION Western spruce budworm Choristoneura

A western spruce budworm impact survey on the Clearwater National Forest

Creator:: Franc, G. C., Underwood, P. W., Dewey, Jerald E., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: larch, and white pine, all with pest problems of their own. Most of the larch volume in the area is made

Western spruce budworm in the Northern Region in 1977 and predictions for defoliation in 1978

Creator:: Flavell, Thomas H. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: 1975). Annual aerial surveys are made by personnel from the Forest Insect and Disease Management staff

Progress report on spruce budworm damage in Idaho and Montana, 1978

Creator:: Bousfield, Wayne E. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: INTRODUCTION Western spruce budworm 1/ has been a seri- ous pest in Montana and Idaho Forests for many years

ScholarsArchive@OSU

Sampling and estimating populations of insect seed-predators in coniferous forests

Bark beetle conditions, Northern Region, 1978

Natural mortality in a Douglas-fir tussock moth infestation in Idaho, 1974

Seedling disease at Coeur d'Alene forest nursery and its relation to outplanting survival

Baiting to reduce losses of conifer seeds to small forest mammals

Observations of impact on the Nezperce National Forest caused by the Douglas-fir tussock moth

Western spruce budworm impact evaluation, Yoosa Creek, Clearwater National Forest, Idaho, 1974

A western spruce budworm impact survey on the Clearwater National Forest

Western spruce budworm in the Northern Region in 1977 and predictions for defoliation in 1978

Progress report on spruce budworm damage in Idaho and Montana, 1978

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