Letters from Barringer & Dimond
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Capacity for Recovery, Influence of Commercial Thinning, & Resistance to Defoliation in Spruce-Fir Forests
Problem Addressed: Defoliation from spruce budworm
Goal(s)/Objective(s): Assess the effects of commercial thinning on non-structural carbohydrates and tannic acid equivalence concentration
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Cover maps for spruce budworm spray blocks using high altitude small scale aerial photographs and LANDSAT imagery (1978)
Goal(s)/Objective(s): aerial photography, mapping, detection
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Influence of Targeted Harvesting and Insecticide Protection on vulnerability of Red Spruce and Balsam Fir to Spruce Budworm Damage in Maine — A Five-Year Reassessment of Two Green Woods Project Demonstration Areas.
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Moose Activity in Clearcuts After Conifer Release with Glyphosate
Problem Addressed: How moose respond to glyphosate treated clearcuts over time
Goal(s)/Objective(s): Determine if moose activity and vegetation cover differ between glyphosate treated and untreated cleacuts
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Spruce Budworm: Dealing with the New Outbreak (2014)
Problem Addressed: Current SBW situation, forest planning, intervention, mitigation/salvaging activities, and perspectives.
Goal(s)/Objective(s): Promote spruce budworm discussions among the Quebec research community, industry and government.
Views: 1983
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]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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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]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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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Budworm-Caused Mortality and 20-Year Recovery in Immature Balsam Fir Stands (1979)
Problem Addressed: Spruce budworm
Goal(s)/Objective(s): Provide some details of the variation in mortality among plots, as well as describing recovery.
Key Findings: It appears that while these immature stands have recovered remarkably from the effects of intense uncontrolled defoliation, they will yield only slightly more than one-half of the projected volume at maturity.
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Assessment of the 1971 Spruce Budworm Aerial Spraying Program in New Brunswick and Forecast for 1972.
Problem Addressed: Spruce budworm
Goal(s)/Objective(s): Discuss and review the 1971 Spruce Budworm aerial spraying program and suggest proposals for 1972.
Key Findings: The trends suggest that the biocontrol complex operating against the budworm has been weakened, and that spraying may lead to higher general equilibrium levels of budworm, so that resurgence becomes more probable; so far, no minor pest is opportunistically approaching epidemic status. However, spray-induced interference with biocontrol forces leaves this possibility open.
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