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• 1. [Article] A pilot project to evaluate efficacy of aerially applied nucleopolyhedrosis virus on Douglas-fir tussock moth in Northern Idaho, 1985 : progress report

  Citation × Citation Citation Abstract Copy Title: A pilot project to evaluate efficacy of aerially applied nucleopolyhedrosis virus on Douglas-fir tussock moth in Northern Idaho, 1985 : progress report Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Stipe, Lawrence E., Livingston, R. Ladd Title: A pilot project to evaluate efficacy of aerially applied nucleopolyhedrosis virus on Douglas-fir tussock moth in Northern Idaho, 1985 : progress report Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Stipe, Lawrence E., Livingston, R. Ladd Close

• 2. [Article] Incorporating insect and disease considerations into the planning process on the Flathead National Forest

  Citation × Citation Citation Abstract Copy Title: Incorporating insect and disease considerations into the planning process on the Flathead National Forest Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Byler, James W. Title: Incorporating insect and disease considerations into the planning process on the Flathead National Forest Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Byler, James W. Close

• 3. [Article] Bark beetle conditions, Northern Region, 1978

  Citation × Citation Citation Abstract Copy Title: Bark beetle conditions, Northern Region, 1978 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), McGregor, Mark D., Bennett, D. D. Title: Bark beetle conditions, Northern Region, 1978 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), McGregor, Mark D., Bennett, D. D. Close

• 4. [Article] Evaluation of spruce beetle in the Blue Joe Creek drainage, Bonners Ferry Ranger District, Idaho Panhandle National Forests, 1981

  Citation × Citation Citation Abstract Copy Title: Evaluation of spruce beetle in the Blue Joe Creek drainage, Bonners Ferry Ranger District, Idaho Panhandle National Forests, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Gibson, K. E. (Kenneth E.) Title: Evaluation of spruce beetle in the Blue Joe Creek drainage, Bonners Ferry Ranger District, Idaho Panhandle National Forests, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Gibson, K. E. (Kenneth E.) Close

• 5. [Article] A review of selected mountain pine beetle epidemics and the infestation potential for the Tally Lake Ranger District, Flathead National Forest, Montana

  This report contains a brief history of selected mountain pine beetle infestations and the potential for infestations in high hazard stands on the Tally Lake Ranger District. Management alternatives to ...

  Citation × Citation Citation Abstract Copy Title: A review of selected mountain pine beetle epidemics and the infestation potential for the Tally Lake Ranger District, Flathead National Forest, Montana Author: McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry This report contains a brief history of selected mountain pine beetle infestations and the potential for infestations in high hazard stands on the Tally Lake Ranger District. Management alternatives to lessen the severity, or reduce the possibility, of infestations are discussed. Title: A review of selected mountain pine beetle epidemics and the infestation potential for the Tally Lake Ranger District, Flathead National Forest, Montana Author: McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry This report contains a brief history of selected mountain pine beetle infestations and the potential for infestations in high hazard stands on the Tally Lake Ranger District. Management alternatives to lessen the severity, or reduce the possibility, of infestations are discussed. Close

• 6. [Article] Overwintering survival of mountain pine beetle larvae and resultant effects on beetle populations in the Northern Region in 1979

  During December 1978 and January 1979, temperatures reached all-time lows in some parts of Montana. Overwintering mountain pine beetle populations were sampled at 11 sites during February and March 1979. ...

  Citation × Citation Citation Abstract Copy Title: Overwintering survival of mountain pine beetle larvae and resultant effects on beetle populations in the Northern Region in 1979 Author: Bennett, D. D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry During December 1978 and January 1979, temperatures reached all-time lows in some parts of Montana. Overwintering mountain pine beetle populations were sampled at 11 sites during February and March 1979. Effects of the extreme cold varied from site to site, with larval mortality ranging from 6 percent to 100 percent. As a result, beetle populations will likely be reduced substantially in some areas and affected little in others. Title: Overwintering survival of mountain pine beetle larvae and resultant effects on beetle populations in the Northern Region in 1979 Author: Bennett, D. D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry During December 1978 and January 1979, temperatures reached all-time lows in some parts of Montana. Overwintering mountain pine beetle populations were sampled at 11 sites during February and March 1979. Effects of the extreme cold varied from site to site, with larval mortality ranging from 6 percent to 100 percent. As a result, beetle populations will likely be reduced substantially in some areas and affected little in others. Close

• 7. [Article] Permanent mountain pine beetle population trend plots : an update, 1981

  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 ...

  Citation × Citation Citation Abstract Copy Title: Permanent mountain pine beetle population trend plots : an update, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.) 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 remained essentially static in Boulder Creek, Dunsire Creek, and near Spotted Bear. Title: Permanent mountain pine beetle population trend plots : an update, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.) 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 remained essentially static in Boulder Creek, Dunsire Creek, and near Spotted Bear. Close

• 8. [Article] Evaluation of a mountain pine beetle infestation in second-growth ponderosa pine on the Crow Indian Reservation, Montana, 1979

  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 ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a mountain pine beetle infestation in second-growth ponderosa pine on the Crow Indian Reservation, Montana, 1979 Author: Dewey, Jerald E., McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry 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, are outlined in this report. Title: Evaluation of a mountain pine beetle infestation in second-growth ponderosa pine on the Crow Indian Reservation, Montana, 1979 Author: Dewey, Jerald E., McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry 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, are outlined in this report. Close

• 9. [Article] Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979

  Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate ...

  Citation × Citation Citation Abstract Copy Title: Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Bennett, D. D. Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate another 25 percent of the remaining lodgepole pine could be killed in 1980. Title: Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Bennett, D. D. Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate another 25 percent of the remaining lodgepole pine could be killed in 1980. Close

• 10. [Article] Evaluation of the mountain pine beetle infestation, Blackfeet Indian Reservation and east side Glacier National Park (Montana, 1979)

  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 ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of the mountain pine beetle infestation, Blackfeet Indian Reservation and east side Glacier National Park (Montana, 1979) Author: McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry 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 acre increased from 2.3 trees in 1977 to 18.9 in 1979. Predicted mortality, plus management alternatives to prevent or reduce infestation severity, is discussed. Title: Evaluation of the mountain pine beetle infestation, Blackfeet Indian Reservation and east side Glacier National Park (Montana, 1979) Author: McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry 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 acre increased from 2.3 trees in 1977 to 18.9 in 1979. Predicted mortality, plus management alternatives to prevent or reduce infestation severity, is discussed. Close