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• 31. [Article] Succession functions of forest pathogens and insects : ecosections M332a and M333d in northern Idaho and western Montana. Volume 1: Analysis Methods

  Citation × Citation Citation Abstract Copy Title: Succession functions of forest pathogens and insects : ecosections M332a and M333d in northern Idaho and western Montana. Volume 1: Analysis Methods Author: United States. Forest Service. Northern Region. State & Private Forestry, United States. Forest Health Protection, Hagle, Susan K. Title: Succession functions of forest pathogens and insects : ecosections M332a and M333d in northern Idaho and western Montana. Volume 1: Analysis Methods Author: United States. Forest Service. Northern Region. State & Private Forestry, United States. Forest Health Protection, Hagle, Susan K. Close

• 32. [Article] Effect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestation : establishment report

  Citation × Citation Citation Abstract Copy Title: Effect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestation : establishment report Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Title: Effect of thinning second-growth ponderosa pine on incidence of mountain pine beetle infestation : establishment report Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Close

• 33. [Article] Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report

  Citation × Citation Citation Abstract Copy Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Close

• 34. [Article] A ponderosa pine needle miner outbreak in the Flathead Indian Reservation and Missoula Valley and potential defoliation for 1978

  Citation × Citation Citation Abstract Copy Title: A ponderosa pine needle miner outbreak in the Flathead Indian Reservation and Missoula Valley and potential defoliation for 1978 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Title: A ponderosa pine needle miner outbreak in the Flathead Indian Reservation and Missoula Valley and potential defoliation for 1978 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Close

• 35. [Article] Evaluation of a pine engraver beetle infestation, Sandpoint District, Idaho Panhandle National Forests, 1974

  An outbreak of the pine engraver Ips pini (Say), was reported by Sonny LaSalle, Forester, in a mixed second-growth Douglas-fir,lodgepole, ponderosa pine stand on the Sandpoint Ranger District near Edgemere, Idaho. ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a pine engraver beetle infestation, Sandpoint District, Idaho Panhandle National Forests, 1974 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry An outbreak of the pine engraver Ips pini (Say), was reported by Sonny LaSalle, Forester, in a mixed second-growth Douglas-fir,lodgepole, ponderosa pine stand on the Sandpoint Ranger District near Edgemere, Idaho. This report was received in early January 1974. An evaluation of the infestation was made April 18, 1974. Title: Evaluation of a pine engraver beetle infestation, Sandpoint District, Idaho Panhandle National Forests, 1974 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry An outbreak of the pine engraver Ips pini (Say), was reported by Sonny LaSalle, Forester, in a mixed second-growth Douglas-fir,lodgepole, ponderosa pine stand on the Sandpoint Ranger District near Edgemere, Idaho. This report was received in early January 1974. An evaluation of the infestation was made April 18, 1974. Close

• 36. [Article] Evaluation of forest insect conditions on the National Bison Range, Moiese, Montana

  An evaluation of forest insect conditions on the National Bison Range at Moiese, Montana, was made on August 28, 1972.

  Citation × Citation Citation Abstract Copy Title: Evaluation of forest insect conditions on the National Bison Range, Moiese, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. An evaluation of forest insect conditions on the National Bison Range at Moiese, Montana, was made on August 28, 1972. Title: Evaluation of forest insect conditions on the National Bison Range, Moiese, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. An evaluation of forest insect conditions on the National Bison Range at Moiese, Montana, was made on August 28, 1972. Close

• 37. [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

• 38. [Article] Potential for defoliation by western spruce budworm in Douglas-fir stands in eastern Montana, 1975

  Aerially visible defoliation by the western spruce budworm, Choristoneura occidentalis Freeman, increased from 149,250 acres in 1973 to 649,319 acres in 1974 on five eastern Montana National Forests. An ...

  Citation × Citation Citation Abstract Copy Title: Potential for defoliation by western spruce budworm in Douglas-fir stands in eastern Montana, 1975 Author: United States. Forest Service. Northern Region. Forest Environmental Protection, United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Aerially visible defoliation by the western spruce budworm, Choristoneura occidentalis Freeman, increased from 149,250 acres in 1973 to 649,319 acres in 1974 on five eastern Montana National Forests. An egg mass survey during the fall of 1974 predicted that additional defoliation will occur in 1975 on 47 of 48 plots located on these Forests. Areas with the highest potential for increasing populations in 1975 are being considered as sites for pilot control projects of several promising chemical and biological insecticides. Title: Potential for defoliation by western spruce budworm in Douglas-fir stands in eastern Montana, 1975 Author: United States. Forest Service. Northern Region. Forest Environmental Protection, United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Aerially visible defoliation by the western spruce budworm, Choristoneura occidentalis Freeman, increased from 149,250 acres in 1973 to 649,319 acres in 1974 on five eastern Montana National Forests. An egg mass survey during the fall of 1974 predicted that additional defoliation will occur in 1975 on 47 of 48 plots located on these Forests. Areas with the highest potential for increasing populations in 1975 are being considered as sites for pilot control projects of several promising chemical and biological insecticides. Close

• 39. [Article] Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976

  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 ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976 Author: McGregor, Mark D., Oakes, Robert D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry 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. Salvage logging of infested trees and silvicultural management to reduce average stand diameter below 20.3 cm d.b.h. are recommended. Title: Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976 Author: McGregor, Mark D., Oakes, Robert D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry 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. Salvage logging of infested trees and silvicultural management to reduce average stand diameter below 20.3 cm d.b.h. are recommended. Close

• 40. [Article] Evaluation of proposed dwarf mistletoe management projects on the Sula Ranger District, Bitterroot National Forest

  Residual Douglas-fir in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of proposed dwarf mistletoe management projects on the Sula Ranger District, Bitterroot National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Residual Douglas-fir in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will effectively reduce dwarf mistletoe to an insignificant level and increase future volume yields. The benefit/cost ratio based on timber values alone is negative, but other benefits outweigh the economic ones. Dwarf mistletoe management is recommended. Title: Evaluation of proposed dwarf mistletoe management projects on the Sula Ranger District, Bitterroot National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Residual Douglas-fir in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will effectively reduce dwarf mistletoe to an insignificant level and increase future volume yields. The benefit/cost ratio based on timber values alone is negative, but other benefits outweigh the economic ones. Dwarf mistletoe management is recommended. Close