Forest Pests: Spruce Budworm Documents

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Budworm-Caused Mortality and 20-Year Recovery in Immature Balsam Fir Stands

Problem Addressed: Spruce budworm-caused tree mortality and stand recovery
Goal(s)/Objective(s): Examine extent of budworm-caused tree mortality and stand recovery over a 20-year period following a spruce budworm outbreak.
Key Findings: There was no clear relationship between volume loss and stand characteristics, but mortality did tend to have a strongly contagious distribution in the stand.
Views: 1030
Downloads: 0
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Executive Summary for CFRU Research Bulletin 3 Impact of the Spruce Budworm in the Maine Spruce-Fir Region: 1975-1979

Problem Addressed: Spruce budworm in Maine
Goal(s)/Objective(s): To document the growth and mortality effects of the spruce budworm in Maine's spruce-fir region
Key Findings: Summarized results of the 400+ plot survey of the impact of the spruce budworm in Maine from 1975 to 1979.
Views: 958
Downloads: 4
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Chemical Accountability of Forest Pest Control Products

Problem Addressed: Chemical effects of forest pest control products on other parts of the forest
Goal(s)/Objective(s): Review methods development for forestry chemicals at residue levels and environmental chemistry (distribution, persistence, movement, fate, etc.) of these chemicals in different components of the forest.
Views: 1075
Downloads: 0
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Comments o the Draft Programmatic Environmental Impact Statement (DPEIS) for 1981-1985 Budworm Program in Maine

Problem Addressed: Spruce budworm programs
Goal(s)/Objective(s): Explain differences between the 1980 EIS and the 1981-85 DPEIS.
Key Findings: The DPEIS should have included figures estimating such funding so that the public would understand that the landowners are getting significant assistance even without funding for insecticides.
Views: 936
Downloads: 1
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Condition of the Fir-Spruce Forests on Cape Breton Island Five Years After the Onset of the Current Spruce Budworm Outbreak

Problem Addressed: Spruce Budworm
Goal(s)/Objective(s): Determine the condition of fir-spruce stands as a result of the current spruce budworm outbreak.
Key Findings: Over 25% of balsam fir is dead on the Central Highlands of Cape Breton Island in Nova Scotia, another 10% is dying and over 50% is heavily defoliated.
Views: 961
Downloads: 2
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Controlling Hardwood Sprouts with Foliage Sprays

Problem Addressed: Controlling unwanted hardwood reproduction
Goal(s)/Objective(s): A more effective, less destructive way to deal with the unwanted hardwood reproduction is necessary.
Key Findings: For forest management, fairly low percent kill with decreased rate of regrowth for 2 or 3 seasons may be adequate to give pine the release it needs.
Views: 1258
Downloads: 0
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The Spruce Budworm in Maine in 1972

Problem Addressed: Spruce budworm in Maine
Goal(s)/Objective(s): Determine what to do to combat the spruce budworm issue.
Key Findings: Ground and aerial surveys and airport procedures were conducted as reported in preceding reports by many of the same personnel, but with a change from a centralized to a regionalized system of administration.
Views: 1232
Downloads: 14
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Measurement and Analysis of the Activity of Adult Spruce Budworm Parasitoids

Problem Addressed: Parasitoids related to the spruce budworm
Goal(s)/Objective(s): Present results of an investigation of the spatial and temporal dynamics of adults of the parasitoid Gypta fumiferanae Vierick.
Key Findings: An important factor influencing adult parasitoids and one that may be controllable is the availability of nutrients and moisture
Views: 961
Downloads: 2
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