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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:: MOUNTAIN PINE BEETLE INFESTATIONS, YELLOWSTONE NATIONAL PARK, WYOMING, 1974 by D. R. HameLli , M. D

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:: OF MOUNTAIN PINE BEETLE INFESTATIONS YELLOWSTONE NATIONAL PARK, WYOMING, 1973 by D. R. Hamel', M. D

Evaluation of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1972

Creator:: 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 advanced north and eastward from the 1971 infestation boundary in Yellowstone National Park. Infested trees were found in Indian Creek Campground at the north end of the park and around the north end of Yellowstone Lake. A ground survey showed an average...
Resource Type:: Technical Report
Full Text:: . 73-4 5230 February 1973 • EVALUATION OF MOUNTAIN PINE BEETLE INFESTATIONS YELLOWSTONE

Evaluation of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1971

Creator:: Berg, Malcolm J., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The mountain pine beetle, Dendroctonus ponderosas Hopk., showed a significant advance northward from the 1970 infestation boundary, encompassing almost one-third of the total Park acreage. A fall survey conducted in the Park showed an average of 71.1 trees per acre with red or fading foliage from previous year's attacks and...
Resource Type:: Technical Report
Full Text:: scattered infestations • . -3- Figure 2.--Mountain pine beetle survey blocks, Yellowstone National Park

Status of mountain pine beetle infestations, Glacier National Park, 1974

Creator:: McGregor, Mark D., United States. Forest Service. Northern Region. Forest Environmental Protection, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle populations reached epidemic levels on approximately 4,600 acres in Glacier National Park in 1972. Infested trees increased from 4.9 in 1972 to 10.9/acre in 1975. Majority of trees killed since 1972 were 12 inches d.b.h. and larger in size. Sufficient large diameter lodgepole pine exists to maintain...
Resource Type:: Technical Report
Full Text:: N -Jo, 41' NYt (.4) leselW1 STATUS OF MOUNTAIN PINE BEETLE INFESTATIONS GLACIER NATIONAL PARK

Status of mountain pine beetle infestations, Gallatin District, Gallatin National Forest, 1973

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle infestations have continued at epidemic level in lodgepole pine stands since 1969 in the West Gallatin River drainage. This infestation has increased at about a 1.9:1 buildup ratio annually. Since the outbreak began in 1969, surveys indicate that approximately 22,354 merchantable size trees have been killed with...
Resource Type:: Technical Report
Full Text:: May 1974 STATUS OF MOUNTAIN PINE BEETLE INFESTATIONS GALLATIN DISTRICT, GALLATIN NATIONAL FOREST

Status of mountain pine beetle infestations on the Superior Ranger District, Lolo National Forest, St. Regis, Montana

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: A mountain pine beetle infestation has been active in the St. Regis area since 1964. Heaviest tree mortality occurred during the period 1969-70. The infestation has continued to decline since 1970. Over 2 million board feet of lodgepole and ponderosa pine were killed during the outbreak. Overstocking resulted in slow...
Resource Type:: Technical Report
Full Text:: .--Estimated lodgepole pine volume loss due to mountain pine • beetle, Superior Ranger District, Lolo National

Mountain pine beetle impact survey on the Ninemile District, Lolo National Forest, and surrounding state and private lands

Creator:: Bousfield, Wayne E., McGregor, Mark D., Kohler, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The mountain pine beetle, Dendroetonus ponderosae Hopk., has been at epidemic levels in second-growth ponderosa pine stands in the Ninemile area of the Lolo National Forest and surrounding private lands since 1969. An impact survey, using two levels of photography and a small ground sample, was conducted to estimate a...
Resource Type:: Technical Report
Full Text:: 1973 MOUNTAIN PINE BEETLE IMPACT SURVEY ON THE NINEMILE DISTRICT, LOLO NATIONAL FOREST, AND

Status of mountain pine beetle infestation, Glacier National Park, 1976

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:: , Biological Technician ABSTRACT Mountain pine beetle populations began increasing in Glacier National Park

Status of mountain pine beetle infestations, Glacier National Park and Glacier View Ranger District, Flathead National Forest, Montana, 1977

Creator:: McGregor, Mark D., Hamel, Dennis R., Kohler, Scott, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle populations developed to epidemic level in Glacier National Park in 1972. Buildup ratio of old to newly attacked trees was 1:1.8 from 1976 to 1977. More than 12 million trees are infested on 142,871 acres. Buildup ratio is expected to exceed 1:3 from 1977 to 1978. Management...
Resource Type:: Technical Report
Full Text:: OF MOUNTAIN PINE BEETLE INFESTATIONS, GLACIER NATIONAL PARK AND GLACIER VIEW RANGER DISTRICT

ScholarsArchive@OSU

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, Yellowstone National Park, Wyoming, 1972

Evaluation of mountain pine beetle infestations, Yellowstone National Park, Wyoming, 1971

Status of mountain pine beetle infestations, Glacier National Park, 1974

Status of mountain pine beetle infestations, Gallatin District, Gallatin National Forest, 1973

Status of mountain pine beetle infestations on the Superior Ranger District, Lolo National Forest, St. Regis, Montana

Mountain pine beetle impact survey on the Ninemile District, Lolo National Forest, and surrounding state and private lands

Status of mountain pine beetle infestation, Glacier National Park, 1976

Status of mountain pine beetle infestations, Glacier National Park and Glacier View Ranger District, Flathead National Forest, Montana, 1977

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