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Filtering by: Subject Grazing -- Environmental aspects Creator Carlson, Clinton E. Subject Lodgepole pine -- Diseases and pests -- Montana

The relationship of an insect infestation on lodgepole pine to fluorides emitted from a nearby aluminum plant in Montana

Creator:

Carlson, Clinton E., Bousfield, Wayne E., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Stepwise multiple regression techniques were used to statistically analyze the relationships between damage caused by the pine needle sheath miner Zellaria haimbachi (Busck); a needle miner, Oenerostoma etrobivorum (Zeller); sugar pine tortrix, Choriatoneura Zambertiana (Busck); and ambient and foliar concentrations of fluoride in lodgepole pine (Pinue contorta v. Zatifolia Engelm.)...

Resource Type:

Technical Report

Full Text:

. INTRODUCTION The Environmental Protection Agency (1973) in 1970 studied fluoride emissions from the Anaconda
Impact of fluorides and insects on radial growth of lodgepole pine near an aluminum smelter in Northwestern Montana : a preliminary inquiry

Creator:

Carlson, Clinton E., Hammer, William P., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

A study was conducted in summer of 1973 to assess impact of fluoride-insect damage on radial growth of lodgepole pine near the Anaconda Aluminum Company at Columbia Falls, Montana. Statistically significant growth losses attributed primarily to the effects of fluorides were found in 40 14 of 17 unmanaged stands for...

Resource Type:

Technical Report

Full Text:

Northwestern Montana A PRELIMINARY INQUIRY • • • • • • FOREST ENVIRONMENTAL PROTECTION USDA • FOREST

ScholarsArchive@OSU

The relationship of an insect infestation on lodgepole pine to fluorides emitted from a nearby aluminum plant in Montana

Impact of fluorides and insects on radial growth of lodgepole pine near an aluminum smelter in Northwestern Montana : a preliminary inquiry

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