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

Problem Addressed: Spruce budworm

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

Key Findings: While the effects of strip cutting on silvicultural treatment costs are not included in the terms of reference of this study, discussions with foresters suggest that there may be some.

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Evaluating the Influence of Stem Form and Vigor on Product Potential, Growth, and Survival for Northern Commercial Hardwood Species

Problem Addressed: Understanding how defects influence product recover and value; growth and mortality.

Goal(s)/Objective(s): A revised tree classification system

Key Findings: Stem form and vigor are highly variable across hardwood species; both attributes have important implications on hardwood growth & yield.

Recommendation: 4 classifications of stem form, 2 classifications of risk

Downloads: 6

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Forest Management for Mitigation and Adaptation to Climate Change: Insights from Long-term Silviculture Experiments

Problem Addressed: Climate change effects on forest management

Goal(s)/Objective(s): Address the need of a management regime that simultaneously achieves adaptation and mitigation

Key Findings: Identified trade-offs between achievement of mitigation and adaptation objectives between each study

Downloads: 0

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Woody Debris Volume Depletion Through Decay: Implications for Biomass and Carbon Accounting

Problem Addressed: Underestimation of decay rates

Goal(s)/Objective(s): Develop method for estimating changes in log volume through time

Key Findings: Decaying logs have a collapse ratio that can serve as a surrogate for the volume remaining

Recommendation: Accounting for log volume depletion improves biomass-loss and carbon-accounting methods

Downloads: 4

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Improving Tree Age Estimates Derived from Increment Cores: A Case Study of Red Pine

Problem Addressed: Magnitude of errors using ring counts for accurate tree age

Goal(s)/Objective(s): Improving estimates of tree establishment dates

Recommendation: Use of regression equations clearly improved age estimates

Downloads: 2

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Applying a Spruce Budworm Decision Support System to Maine: Projecting Spruce-Fir Volume Impacts under Alternative Management and Outbreak Scenarios

Problem Addressed: Antipated Spruce Budworm outbreak on timber supply

Goal(s)/Objective(s): Apply SBWDSS framework and use USDA FIA data to assess potential spruce-for losses from a SBW outbreak

Key Findings: Projections of moderate and severe intensity outbreaks could reduce statewide invtories by 20-30% over next 10 years.

Recommendation: Forestland owners and managers would benefit from conducting a spatially explicit township-by-township analysis of potential SBW impacts

Downloads: 2

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Effects of multiple interacting disturbances and salvage logging on forest carbon stocks

Problem Addressed: Multiple disturbances or post-disturbance forest management activities on ecosystem carbon stocks.

Goal(s)/Objective(s): Quantify how forest carbon stocks respond to stand-replacing blowdown and wildfire

Key Findings: Potential increases in multiple disturbance events may represent a challenge for sustaining ecosystem carbon stocks

Downloads: 1

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Ecological Impacts of Energy-Wood Harvests: Lessons from Whole-Tree Harvesting and Natural Disturbance

Problem Addressed: Expected impacts of even-aged energy-wood harvesting (EWH) on ecosystem structure and function

Goal(s)/Objective(s): Summarize existing knowledge to anticipate the impacts of EWH on carbon stocks, nutrients, terrestrial biodiversity, and associated aquatic ecosystems.

Key Findings: Harvesting impacts and forest sustainablitliy have relevance for examining potential consequences for biodiversity and aquatic ecosystems

Recommendation: Data is needed to address the longterm ecosystem sustainability of EWH and inform decisions concerning the acceptability of forest-derived wood as an important energy source worldwide

Downloads: 4

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Effects of thinning on drought vulnerability and climate response in north temperate forest ecosystems

Problem Addressed: Do density reductions confer greater resistance and/or resilience to droughts?

Goal(s)/Objective(s): To assess how long-term forest density management reduced drought vulnerability.

Key Findings: Thinning generally enhanced drought resistance and resilience; however, this relationship showed a pronounced reversal over time in stands maintained at lower tree densities

Recommendation: Results confirm the potential of density management to moderate drought impacts on growth

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