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Creator:: McGregor, Mark D., Oakes, Robert D., Meyer, Hubert E., United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management, and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: • • • • • • • STATUS OF MOUNTAIN PINE BEETLE, NORTHERN

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:: of mountain pine beetle in- festation, Wolf Mountains, Crow Indian Reservation, Montana, 1973. USDA

Creator:: Gibson, Kenneth E., Oakes, Robert D., and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: MANAGEMENT MOUNTAIN PINE BEETLE STATUS REPORT NORTHERN REGION, 1986 • Kenneth E. Gibson Robert D. Oakes

Creator:: McGregor, Mark D., Hamel, Dennis R., Oakes, Robert D., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle developed to epidemic level in lodgepole pine stands in 1969 on the Gallatin District and in 1970 on the Hebgen Lake District. Epidemic infestation occurs on 53,437 hectares. Infestations will intensify in most areas currently infested and develop in uninfested stands, and in excess of 2 million...
Resource Type:: Technical Report
Full Text:: . Oakes, Biological Technician ABSTRACT Mountain pine beetle developed to epidemic level in lodgepole

Creator:: Hamel, Dennis R., McGregor, Mark D., Oakes, Robert D., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle populations developed to epidemic level in lodgepole pine stands in 1973. Approximately 426,355 trees were killed on 3,433 hectares in 1976. Infestations are expected to intensify in areas of current infestation and develop in uninfested stands. It is predicted that 1,722,288 trees will be killed in 1977....
Resource Type:: Technical Report
Full Text:: .„ N.> :1 eb o Report No. 77-9 5200 April 1977 EVALUATION OF A MOUNTAIN PINE BEETLE INFESTATION

Creator:: McGregor, Mark D., Hamel, Dennis R., and Oakes, Robert D.
Abstract:: Mountain pine beetle developed to epidemic levels in lodgepole pine stands in the Thompson River drainage in 1971. Approximately 506,616 trees are infested on 4,444 hectares. Based on buildup ratios, infestations are expected to intensify; develop in uninfected stands; and kill about 1,763,024 trees in 1977. Salvage logging of infested...
Resource Type:: Technical Report
Full Text:: PINE BEETLE INFESTATIONS Thompson River Drainage, Plains District Lolo National Forest, Montana, 1976

Creator:: Hamel, Dennis R., Oakes, Robert D., Hothem, R., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Ground surveys on the Hungry Horse District indicate a potential for mountain pine beetle infestation in lodgepole pine. Based on elevation-latitude, mean d.b.h. and phloem thickness, and age, stands were given a susceptibility classification of high risk. An infestation in Glacier National Park may provide the beetle source. Management alternatives...
Resource Type:: Technical Report
Full Text:: April 1977 POTENTIAL FOR INFESTATION BY MOUNTAIN PINE BEETLE IN LODGEPOLE PINE STANDS, HUNGRY HORSE

Creator:: Hamel, Dennis R., Oakes, Robert D., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle infestations in second-growth ponderosa pine have been chronic in the Little Belt and Big Snowy Mountains since 1947. In 1976, increasing numbers of attacked trees were observed. Current infestation intensity averages 82 trees per hectare. Losses are expected to continue as long as stands remain stagnates. Commercial...
Resource Type:: Technical Report
Full Text:: . Impact of the mountain pine beetle in the Lolo National Forest, Montana, 1970. USDA Forest Serv

Creator:: Hamel, Dennis R., McGregor, Mark D., Oakes, Robert D., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle populations began increasing in Glacier National Park in 1970. Numbers of infested trees increased steadily from an average of 12 to 115 per hectare from 1972 to 1976. Total hectares of infestation have increased from 445 in 1972 to 40,419 ha in 1976. Predictive equations estimate a...
Resource Type:: Technical Report
Full Text:: Forestry • Missoula, MT 59801 z Report No. 77-4 5200 February 1977 STATUS OF MOUNTAIN PINE BEETLE

Creator:: Hamel, Dennis R., McGregor, Mark D., Oakes, Robert D., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: mountain pine beetle infestations in lodgepole pine, Montana. Establishment Report. USDA Forest Serv

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