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Filtering by: Creator United States. Forest Service. Northern Region. Forest Insect and Disease Management

Mountain pine beetle infestation potential for the Plains Ranger District, Lolo National Forest

Creator:

Gibson, Kenneth E., United States. Forest Service. Northern Region. Forest Insect and Disease Management, and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

This report contains an overview of the present mountain pine beetle infestation in lodgepole pine stands on Federal, State, and private lands on the Plains Ranger District. Particular emphasis is placed on the potential for beetle mortality in the Thompson River drainage where recent ground surveys show more than 21...

Resource Type:

Technical Report
A survey to evaluate wood borers in green ash windbreaks in North Dakota

Creator:

Flavell, Thomas H., United States. Forest Service. Northern Region. Forest Insect and Disease Management, and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Green ash windbreaks in North Dakota were surveyed in 1972 and 1976 to determine the incidence of attacks by the carpenterworm, ash borer, and other stem-infesting wood borers. Windbreaks were stratified by age and geographic region. In 1976, about 3.1 percent of the green ash trees in North Dakota had...

Resource Type:

Technical Report
Evaluation of mountain pine beetle in high use areas and other infested stands on the Hebgen Lake Ranger District, Gallatin National Forest, 1977

Creator:

McGregor, Mark D., United States. Forest Service. Northern Region. Forest Insect and Disease Management, and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Mountain pine beetle populations reached epidemic level on the Hebgen Lake Ranger District in 1970. Infested area increased from 6,680 acres in 1970 to 78,000 acres in 1977. Buildup ratio of trees killed in 1976 to trees killed in 1977 is 1:8. Approximately 1,700,000 trees, containing 175 MMBF of merchantable...

Resource Type:

Technical Report

ScholarsArchive@OSU

Mountain pine beetle infestation potential for the Plains Ranger District, Lolo National Forest

A survey to evaluate wood borers in green ash windbreaks in North Dakota

Evaluation of mountain pine beetle in high use areas and other infested stands on the Hebgen Lake Ranger District, Gallatin National Forest, 1977

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