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A Look at Parasitism in Populations of the Eastern Spruce Budworm in Maine

Problem Addressed: Eastern Spruce Budworm

Goal(s)/Objective(s): Describe parasitism in populations of Eastern Spruce Budworm

Key Findings: Budworm biology, impact of pesticides, and present status in Maine included

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Dynamics of Coarse Woody Debris Following Gap Harvesting in the Acadian Forest of Central Maine, U.S.A.

Problem Addressed: Dynamics of coarse woody debris (CWD) under an expanding-gap harvesting system in the Acadian forest of Maine

Goal(s)/Objective(s): Comparing volume, biomass, diameter-class, and decay-class distributions of CWD in permanent plots before and 3 years after harvest

Key Findings: The trend is likely more complex than what was determined due to the superimposition of small-scale natural disturbances and repeated silvicultural entries.

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Disturbance Dynamics of Old-Growth Picea rubens Forests of Northern Maine

Problem Addressed: How spatial and temporal aspects of past disturbances shaped the current structure and composition of old-growth Picea rubens forests

Goal(s)/Objective(s): Linking spatial data and temporal data to reconstruct the location and size of former canopy gaps back to 1920, and determine a more general disturbance as far back as 1740.

Key Findings: Persistence of Picea rubens is attributed to the abundance of advance regeneration, the ability to endure suppression and respond favorably to release, and longevity relative to ecologically similar species.

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The Efficacy of Salvage Logging in Reducing Subsequent Fire Severity in Conifer-Dominated Forests of Minnesota, USA

Problem Addressed: Secondary uses for salvage logging.

Goal(s)/Objective(s): Assess the impacts of blowdown and salvage logging on wildfire severity

Key Findings: Salvage logging reduced the intensity (heat released) of the subsequent fire, but the effect on severity (impact to the system) differed between the tree crowns and forest floor.

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Stand and Cohort Structures of Old-Growth Pinus Resinosa-dominated Forests of Northern Minnesota, USA

Problem Addressed: Range of variability in stand and age structure of old-growth Pinus resinosa

Goal(s)/Objective(s): Use dendrochronological data to map stem locations and reconstruct stand and age structures prior to European settlement of the region.

Key Findings: Pre-settlement forests more complex than those of the single-cohort, post-stand-replacing-fire model that has guided regional forest management.

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Residence Times and Decay Rates of Downed Woody Debris Biomass/Carbon in Eastern US Forests

Problem Addressed: Describing forest carbon dynamics and downed woody debris

Goal(s)/Objective(s): Develop models to estimate duration in various stages of decay, half-life, residence time, and decay rate for 36 tree species

Key Findings: Species that exhibited shorter half lives tended to display a shorter residence time and larger decay rate.

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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

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Forest management for mitigation and adaptation to climate change: Insights from long-term silviculture experiments

Problem Addressed: Forest management strategies for addressing global climate change

Goal(s)/Objective(s): Determine long-term efficacy of mitigation and adaptation strategies

Key Findings: There are trade-offs between the achievement of mitigation and adaptation objectives

Recommendation: Rigid adherence to a single objective, without recognizing potential consequences to other ecosystem components, may be detrimental to long-term ecosystem functioning within the context of environmental change

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Forging a Common Vision for Maine’s North Woods

Problem Addressed: Challenges and opportunities facing Maine's North Woods

Recommendation: A regional vision should seek rural renewal through economic diversification strategies that take advantage of the region's social and natural assets.

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