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Creator:: Gordon, Clarence C., Carlson, Clinton E., Tourangeau, Phillip, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Baseline data for the first year of a two-year study to assess the current status of ponderosa pine stands in southeastern Montana relative to coal-fired electric power development are presented. Sixteen permanent plots in pine stands were established in eastern Montana, South Dakota, and Wyoming. Several characteristics believed to be...
Resource Type:: Technical Report
Full Text:: COOPERATIVE EVALUATION OF POTENTIAL AIR POLLUTION INJURY AND DAMAGE TO CONIFEROUS HABITATS ON NATIONAL FOREST

Creator:: Walsh, Natalie, Carlson, Clinton E., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: 5200 May 1978 THE EFFECT OF LOW-LEVEL SULFUR DIOXIDE ON SENSITIVE VEGETATION A Background Document

Creator:: Carlson, Clinton E. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: believed that very high concentrations, of lead, cadmium, or zinc would have an adverse effect on

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:: relationship were not studied but research on the effect of different foliar and/or ambient fluoride

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:: / "!Ii97ti? Impact of Fluorides and Insects on Radial Growth of Lodgepole Pine near an Aluminum Smelter in

Creator:: Walsh, Natalie, Bissell, Gael, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Preliminary analysis of data from this study in the mountains southwest of the Anaconda Copper Smelter, an industrial source of SO2 and heavy metal particulate, reflects a complex pattern of pollutant impact. The differential effect of smelter emissions on plant life in the study area is best explained by the...
Resource Type:: Technical Report
Full Text:: effect of long-term exposure to SO 2 and particulate pollution on a wilderness-like mountain ecosystem

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