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Spruce Budworm in the Penobscot River Valley 1974-1978 A Summary of Infestation, Damage, Monitoring and Control

Problem Addressed: Spruce budworm

Goal(s)/Objective(s): Presents the history of budworm population and damage over the past five years in the Penobscot Valley. It also summarizes those attempts made by the State to monitor and control the budworm infestation.

Key Findings: The final map was a good indication of high and extreme hazard areas and was used to delineate the next year's spray blocks where applicable.

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Summary of the USDA Forest Service Final Environmental Statement — Western Spruce Budworm Management Plan (1977)

Problem Addressed: Western spruce budworm

Goal(s)/Objective(s): Manage western spruce budworm by long-term special silvicultural treatments on 934,019 acres out of a total infestation of 3,151,985 acres.

Key Findings: The principal beneficial effect of special silvicultural treatment is protection of forests which are the sources of raw materials for wood product mills within and adjacent to the infested areas.

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Financial Report and Progress Report on Spruce Budworm Programs (1977)

Problem Addressed: Spruce budworm programs

Goal(s)/Objective(s): Summarize progress in Maine Forest Service spruce budworm programs from summer 1976 to summer 1977.

Key Findings: Includes the financial report to the legislature required by a 1977 amendment to the 1976 Budworm Suppression Act.

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Innovation in Spruce Budworm Management Maine 1970-1980

Problem Addressed: Spruce budworm epidemic in the 1970's.

Goal(s)/Objective(s): Discuss innovations to use against spruce budworm epidemics.

Key Findings: Review several innovations and analyze the forces which influenced their development to operational status, in particular discussing stimuli and obstacles to innovation that were important during this decade.

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Growth Impact of the North Kaibab Pandora Moth Outbreak (1987)

Problem Addressed: Tree mortality and growth due to pandora moth outbreaks

Goal(s)/Objective(s): Examine tree mortality and growth in defoliated, insecticide treated, and undefoliated stands in the pandora moth outbreak area on the Kaibab National Forest

Key Findings: Tree mortality was less than 1%, defoliation loss was estimated at least 11 f.b.m. per acre per year.

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Impacts of Air Pollution on Forest Ecosystems (1980)

Problem Addressed: Air pollution

Key Findings: Air pollutants induce changes that do not produce visible injury symptoms but adversely affect growth, yield and quality of plants and plant products. A better understanding is needed of the nature of pollutants and variations in their amounts at given sites.

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Northern Forest Trends 1985-1989 Northern USA and Eastern Canada (1990)

Problem Addressed: Forest management practices across the northern United States and eastern Canad

Goal(s)/Objective(s): How does management of the forests compare to each other? What other practices are being conducted? Who is participating?

Key Findings: There has been a movement away from artificial regeneration programs, with greater emphasis being placed on natural regeneration and conducting practices to achieve it.

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Environmental Monitoring of the 1982 Spruce Budworm Spraying Program in Newfoundland

Goal(s)/Objective(s): Determine the impact of the aerial application of the pesticide Matacil on terrestrial insect, songbird and aquatic invertebrate communities over the course of one biological season

Key Findings: Matacil levels on balsam fir in the sprayed areas were low thoughout the study. Six of the 29 samples of balsam fir had Matacil levels over 1.0 ppm (maximum of 5.8 ppm). Levels following the second spray were somewhat higher than following the first. This is attributed to rainfall shortly after the first spray undoubtedly washed some of the pesticie away and a cumulative effect.

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A Study of the Cost of Strip Cutting Black Spruce Stands in Northern Ontario

Problem Addressed: Cost of strip cutting black spruce stands

Goal(s)/Objective(s): Deals with impact of strip cutting on planning, layout and supervision, in-strip operations, roadside processing, movement of mean and materials, and roads.

Key Findings: Results combine the low and high estimates for each activity for which cost estimates were made.

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Control of a Spruce Budworm Outbreak in Quebec through Aerial Spraying Operations

Problem Addressed: Spruce budworm in Quebec

Goal(s)/Objective(s): Suppress an incipient spruce budworm outbreak in the Lower St. Lawrence region of Quebec though the aerial application of DDT

Key Findings: Although the distribution of eggs could serve as a guide to determine the areas requiring treatment the following year, the exact delimitation of the spray area should be based on a survey carried out just before application of the insecticide.

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Forest Pests: Spruce Budworm Documents

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