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Creator:: Gibson, Kenneth E., McGregor, Mark D., Oakes, Robert D., and United States. Forest Service. Northern Region
Abstract:: The mountain pine beetle infestation existing on the Crow Indian Reservation (IR) since the early 1970's, and later developing principally in the western portion of the Northern Cheyenne IR, continued into 1984. Survey results indicate the infestation is still building on both Reservations. To help develop beetle management strategies appropriate...
Resource Type:: Technical Report
Full Text:: ponderosa pine stands on the Crow and Northern Cheyenne Indian Reservations in eastern Montana during 1984

Creator:: Gibson, Kenneth E., McGregor, Mark D., Dewey, Jerald E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The mountain pine beetle infestation in Corral, Little Corral, and Cache Creeks on the Crow Indian Reservation, Montana has been increasing for the past several years. Trees killed per acre averaged 38.8 in 1979. Our predictions for the future trend of the infestation, plus management alternatives to lessen its severity,...
Resource Type:: Technical Report
Full Text:: second-growth ponderosa pine 3/ stands 1/ Forest Service, Northern Region, State and Private Forestry

Creator:: Gibson, Kenneth E., McGregor, Mark D., Amman, Gene D., and United States. Forest Service. Northern Region
Abstract:: During 1984, a demonstration project was established on the Crow and Northern Cheyenne Indian Reservations to determine the effectiveness of basal area cutting in second-growth ponderosa pine stands to reduce losses to the mountain pine beetle. This project will help develop management strategies for susceptible stands in eastern Montana. Four...
Resource Type:: Technical Report
Full Text:: KILLING BY THE MOUNTAIN PINE BEETLE IN PONDEROSA PINE, CROW AND NORTHERN CHEYENNE INDIAN RESERVATIONS

Creator:: McGregor, Mark D., Gibson, Kenneth E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle infestation was detected in stands on the east side of Glacier National Park and the adjacent Blackfeet Indian Reservation in 1979. Infestation in the Park now encompasses an estimated 215,882 acres. About 200 acres are infested on the reservation. In areas sampled, number of trees killed per...
Resource Type:: Technical Report
Full Text:: prob- lem in lodgepole pine forests in the West 1/. In relation to specific areas affected, where and

Creator:: Gibson, Kenneth E. and United States. Forest Service. Northern Region
Abstract:: This report includes information obtained in both 1983 and 1984. Beginning in 1983, only four of the original six permanent plot locations in the State would be revisited. The two in the southwestern part of the State--Centennial Valley and Madison River--were not visited because of reduced beetle populations and 111.1...
Resource Type:: Technical Report
Full Text:: mixed pole stands of ponderosa pine and white fir. J. For. 39: 710-713. Gibson, K. E. 1983. Permanent

Creator:: Gibson, Kenneth E. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: For the fourth year since their establishment, the six permanent plot locations in Montana were revisited following beetle flight in 1982.Beetle populations remained low in five of the six areas. Only in the Murr Creek plots did newly attacked trees represent an epidemic beetle population. In the Centennial Valley location,...
Resource Type:: Technical Report
Full Text:: Amman, G. D. 1982. The mountain pine beetle--identification, biology, causes of out- breaks, and

Creator:: Gibson, Kenneth E. and United States. Forest Service. Northern Region
Abstract:: The series of mountain pine beetle infestations existing on the Plains/Thompson Falls Ranger District, Lob National Forest, since 1971 continued into 1988. While some infestations are waning, others are increasing. The potential for beetle-caused mortality exists in threatened, but as yet uninfested stands. Management alternatives are discussed.
Resource Type:: Technical Report
Full Text:: type, 529 ponderosa pine, and small amounts of western white and whitebark pines. Table 2.–Aerial

Creator:: Kegley, Sandy, Schwandt, John W., Gibson, Kenneth E., United States. Forest Health Protection, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: has reduced MPB infestations in lodgepole and ponderosa pine (Bollenacher and Gibson, 1986, Sartwell

Creator:: Gibson, Kenneth E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Six Montana areas in which permanent mountain pine beetle trend plots were established in 1979 were revisited in 1980. Results of the visit show infestation intensity decreased significantly in Centennial Valley, decreased slightly in the Madison River plot area, and increased almost threefold in the Murr Creek area. Beetle populations...
Resource Type:: Technical Report
Full Text:: , and D. D. Bennett. 1980. Establishment report: permanent mountain pine beetle trend plots, Montana

Creator:: Gibson, Kenneth E., Oakes, Robert D., and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: -caused mortality in ponderosa pine are still occurring in both the East Fork and West Fork of the

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