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Filtering by: Subject Ponderosa pine -- Diseases and pests -- Montana -- Glacier National Park Subject Glacier National Park (Mont.)

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:

INFESTATION GLACIER NATIONAL PARK, 1976 D. R. Hamel, M. D. McGregor, Entomologists and R. D. Oakes