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Status of mountain pine beetle infestations in second-growth ponderosa pine stands, Little Rocky Mountains, Fort Belknap Reservation, Montana, 1977

Creator:: Hamel, Dennis R. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle infestations in second-growth ponderosa pine developed in 1973 in the Little Rocky Mountains. In 1976, increasing numbers of attacked trees were observed. Current infestation intensity averages 7.1 trees per acre. Losses are expected to continue as long as stands remain overstocked and stagnated. Reduction of basal area...
Resource Type:: Technical Report
Full Text:: pine beetle (Dendroctonus ponderosas Hopk.) is a serious pest of second-growth ponderosa pine (Pinus

Status of mountain pine beetle infestations in second-growth ponderosa pine stands, Little Belt and Big Snowy Mountains, Lewis & Clark National Forest, Montana, 1976

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:: infestations in second-growth ponderosa pine have been chronic in the Little Belt and Big Snowy Mountains since

Biological notes on the emergence of mountain pine beetle and associates from lodgepole pine, Gallatin Ranger District, Gallatin National Forest, Montana, 1975

Creator:: Hamel, Dennis R., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Emerged beetles were first collected July 17 and peak emergence occurred between August 10 and 26, 1975. Density of attacks averaged four per 0.5 ft. 2 (0.05 m2). Parent to brood ratio was 1:4.6. Thirteen associate insects, representing six families of Coleoptera and one of Diptera, were recovered. Associates included...
Resource Type:: Technical Report
Full Text:: ON THE EMERGENCE OF MOUNTAIN PINE BEETLE AND ASSOCIATES FROM LODGEPOLE PINE, GALLATIN RANGER DISTRICT

Evaluation of mountain pine beetle infestations, Gallatin Ranger District, Gallatin National Forest, Montana, 1975

Creator:: McGregor, Mark D., Hamel, Dennis R., Lood, Rudolph C., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle has occurred at epidemic level in lodgepole pine stands in the west Gallatin River drainage since 1969. Infestation now encompasses about 5,500 acres. Since 1969, approximately 463,212 trees, with an estimated volume of 20,529,244 board feet have been killed. Approximately 69 percent of the stands on the...
Resource Type:: Technical Report
Full Text:: indicators of mountain pine beetle population trends. Insect and Disease Prevention and Control, Fire Mgmt

Status of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1974

Creator:: Hamel, Dennis R., 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 in Yellowstone National Park advanced north and eastward in 1974. New infestation centers were located along the east shore of Yellowstone Lake and south of the Promontory to the Park's southern boundary. Ground surveys indicated an average of 2.9 infested trees per...
Resource Type:: Technical Report
Full Text:: . McGregorli , and M. J. Berg/ ABSTRACT The mountain pine beetle, Dendroctonus ponderosae Hopk., infestation

Status of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1973

Creator:: Hamel, Dennis R., McGregor, Mark D., Berg, Malcolm J., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The mountain pine beetle infestation has been epidemic in lodgepole pine in Yellowstone National Park since 1966. Infestation boundaries have advanced steadily northward and eastward. The infestation now encompasses nearly one-half of the total Park area. Surveys indicate a decline in tree mortality the last 2 years. In 1970, an...
Resource Type:: Technical Report
Full Text:: . McGregori / , and M. J. Berg?/ ABSTRACT The mountain pine beetle infestation has been epidemic in lodge

Evaluation of mountain pine beetle infestations, Lap, Cool, Lang, and Caribou Creek drainages, Yaak Ranger District, Kootenai National Forest, Montana

Creator:: Hamel, Dennis R., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle reached epidemic levels in the Lap, Cool, Lang, and Caribou Creek drainages in 1974. From 1973 to 1975, approximately 56,282 trees with an estimated volume of 4,365,660 board feet were killed in these areas. An additional 61,721 trees are predicted to be killed in 1976. Currently infested...
Resource Type:: Technical Report
Full Text:: "buildup ratios" as indicators of mountain pine beetle population trends. Branch of Insect and Disease

Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report

Creator:: Hamel, Dennis R., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: treated. Recent studies of lodgepole pine stands in Colorado, by Cole and Cahill (4), have shown that

Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : establishment report

Creator:: Hamel, Dennis R., United States. Forest Service. Northern Region. Forest Environmental Protection, and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: pine beetle attack and subsequent brood survival. Epidemics of mountain pine beetle have occurred

Status of mountain pine beetle infestation, Bozeman-Gallatin Ranger District, Gallatin National Forest, 1977

Creator:: McGregor, Mark D., Hamel, Dennis R., Meyer, Hubert E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle populations developed to epidemic level on the Bozeman-Gallatin Ranger District in 1969. Approximately 146,000 acres are currently infested. Since 1969, over 350 MMBF have been killed. It is predicted that over 4 million trees could be killed in 1978. Infestation is predicted to intensify in high-hazard stands....
Resource Type:: Technical Report

ScholarsArchive@OSU

Status of mountain pine beetle infestations in second-growth ponderosa pine stands, Little Rocky Mountains, Fort Belknap Reservation, Montana, 1977

Status of mountain pine beetle infestations in second-growth ponderosa pine stands, Little Belt and Big Snowy Mountains, Lewis & Clark National Forest, Montana, 1976

Biological notes on the emergence of mountain pine beetle and associates from lodgepole pine, Gallatin Ranger District, Gallatin National Forest, Montana, 1975

Evaluation of mountain pine beetle infestations, Gallatin Ranger District, Gallatin National Forest, Montana, 1975

Status of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1974

Status of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1973

Evaluation of mountain pine beetle infestations, Lap, Cool, Lang, and Caribou Creek drainages, Yaak Ranger District, Kootenai National Forest, Montana

Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report

Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : establishment report

Status of mountain pine beetle infestation, Bozeman-Gallatin Ranger District, Gallatin National Forest, 1977

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