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Evaluation of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1971

Creator:: Berg, Malcolm J., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The mountain pine beetle, Dendroctonus ponderosas Hopk., showed a significant advance northward from the 1970 infestation boundary, encompassing almost one-third of the total Park acreage. A fall survey conducted in the Park showed an average of 71.1 trees per acre with red or fading foliage from previous year's attacks and...
Resource Type:: Technical Report
Full Text:: NATIONAL PARK SILVER GATE • MONTANA WYOMING GRANO TETON NATIONAL PAR Figure 1.--Mountain pine beetle

Effect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestation : establishment report

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: This report documents the establishment of a study to determine the effect of thinning on incidence of mountain pine beetle, Dendroctonus ponderosae Hopk., infestation in second-growth ponderosa pine stands in western Montana. Although insufficient time has passed for a similar study in Oregon to yield a solid base for a...
Resource Type:: Technical Report
Full Text:: determine the effect of thinning on incidence of mountain pine beetle, Dendroctonus ponderosae Hopk

Evaluation of mountain pine beetle infestations, Big Belt Mountains, Townsend District, Helena National Forest--1973

Creator:: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D., and Meyer, Hubert E.
Abstract:: Mountain pine beetle, Dendroctonus ponderosas Hopk., reached near epidemic levels in lodgepole pine stands in the Sulphur Creek-Black Butte area. Lodgepole pine are probably more susceptible due to the overstocked conditions of stands, and high incidence of girdling of the base of trees by porcupines. The infestation in this area...
Resource Type:: Technical Report
Full Text:: -29 December 1973 • EVALUATION OF MOUNTAIN PINE BEETLE INFESTATIONS, BIG BELT MOUNTAINS, TOWNSEND

Effect of thinning second-growth ponderosa pine stands on incidence of mountain pine beetle infestation : progress report

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: INTRODUCTION An epidemic infestation of mountain pine beetle, Dendroctonus ponderosae Hopk., was discovered

Mountain pine beetle impact survey on the Ninemile District, Lolo National Forest, and surrounding state and private lands

Creator:: Bousfield, Wayne E., McGregor, Mark D., Kohler, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The mountain pine beetle, Dendroetonus ponderosae Hopk., has been at epidemic levels in second-growth ponderosa pine stands in the Ninemile area of the Lolo National Forest and surrounding private lands since 1969. An impact survey, using two levels of photography and a small ground sample, was conducted to estimate a...
Resource Type:: Technical Report
Full Text:: 1973 MOUNTAIN PINE BEETLE IMPACT SURVEY ON THE NINEMILE DISTRICT, LOLO NATIONAL FOREST, AND

Cultural control of mountain pine beetle in second-growth ponderosa pine stands, Lolo National Forest : proceedings of a meeting held March 16, 1973, Forest Service Auditorium, Missoula, Montana

Creator:: United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: ;• May 1973 CULTURAL CONTROL OF MOUNTAIN PINE BEETLE IN SECOND-GROWTH PONDEROSA PINE STANDS LOLO

Evaluation of mountain pine beetle infestation, Wolf Mountains, Crow Indian Reservation, Montana, 1973

Creator:: McGregor, Mark D., Kohler, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: REGION EVALUATION OF MOUNTAIN PINE BEETLE INFESTATION WOLF MOUNTAINS, CROW INDIAN RESERVATION, MONTANA

Evaluation of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1972

Creator:: McGregor, Mark D., Berg, Malcolm J., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The mountain pine beetle, Dendroctonus ponderosae Hopk., infestation advanced north and eastward from the 1971 infestation boundary in Yellowstone National Park. Infested trees were found in Indian Creek Campground at the north end of the park and around the north end of Yellowstone Lake. A ground survey showed an average...
Resource Type:: Technical Report
Full Text:: . 73-4 5230 February 1973 • EVALUATION OF MOUNTAIN PINE BEETLE INFESTATIONS YELLOWSTONE

Status of bark beetle infestations in second-growth ponderosa pine stands, Bureau of Land Management lands Garnet Mountains, Montana

Creator:: McGregor, Mark D., Lood, Rudolph C., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle infestations have increased in second-growth ponderosa pine stands in the Garnet Mountains since 1971. The extremely dry 1973 season resulted in an increase of Ips engraver beetle activity that was responsible for over half of the tree mortality in 1973. Commercial thinning is recommended to alleviate the...
Resource Type:: Technical Report
Full Text:: M. D. McGregor, 1970. Impact of the mountain pine beetle on the Lolo National Forest, Montana. USDA

Status of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: Report No. 73-9 5200 April 1973 • • STATUS OF MOUNTAIN PINE BEETLE, GALLATIN DISTRICT, GALLATIN

ScholarsArchive@OSU

Evaluation of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1971

Effect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestation : establishment report

Evaluation of mountain pine beetle infestations, Big Belt Mountains, Townsend District, Helena National Forest--1973

Effect of thinning second-growth ponderosa pine stands on incidence of mountain pine beetle infestation : progress report

Mountain pine beetle impact survey on the Ninemile District, Lolo National Forest, and surrounding state and private lands

Cultural control of mountain pine beetle in second-growth ponderosa pine stands, Lolo National Forest : proceedings of a meeting held March 16, 1973, Forest Service Auditorium, Missoula, Montana

Evaluation of mountain pine beetle infestation, Wolf Mountains, Crow Indian Reservation, Montana, 1973

Evaluation of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1972

Status of bark beetle infestations in second-growth ponderosa pine stands, Bureau of Land Management lands Garnet Mountains, Montana

Status of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973

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