Forest Health Documents

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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: 1747
Downloads: 3
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Proposed Spruce Budworms Program (1975)

Problem Addressed: The forest defoliation of spruce budworms in North America.
Goal(s)/Objective(s): Propose a program of research to provide land managers with improved technology in the context of a pest management system with strategies to minimize losses from the spruce budworms.
Key Findings: There is a list of expected outcomes
Views: 1133
Downloads: 2
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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.
Views: 1062
Downloads: 0
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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.
Views: 885
Downloads: 1
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The Spruce Budworm in Maine in 1971

Problem Addressed: Spruce budworm infestations
Goal(s)/Objective(s): Examine the budworm parasites, hoping to identify natural control agents.
Key Findings: The budworm problem is now increasing in area and intensity faster than trees can be cut.
Views: 937
Downloads: 9
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