Forest Ecology Documents

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How Well Are We Serving Maine’s Outdoor Recreation Public? A Report to the Maine Department of Agriculture, Conservation, and Forestry in Support of the 2015-2020 Maine State Comprehensive Outdoor Recreation Plan (SCORP)

Goal(s)/Objective(s): Generate new baseline data to inform the Maine Bureau of Parks and Lands about what the recreation preferences and needs are for people who live in or visit Maine, identify the factors that influence outdoor recreation participation behavior, determine how Maine State Parks are used and what can be done to improve the experiences and services they provide.
Views: 1096
Downloads: 2
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Nutrient Concentration of Down Woody Debris in Mixedwood Forests in Central Maine, USA

Problem Addressed: Nutrient concentrations pre- and post-harvest pool sizes across down woody debris decay.
Goal(s)/Objective(s): To determine the nutrient concentrations
Key Findings: Softwoods generally had lower nutrient concentrations and higher C:N-ratios than hardwoods; N:P-ratios did not differ between hardwoods and softwoods.
Views: 1877
Downloads: 3
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The role of herbicides for enhancing forest productivity and conserving land for biodiversity in North America

Problem Addressed: Do herbicides increase forest productivity, and are they compatible with the objectives of wildlife management and biodiversity conservations?
Key Findings: If herbicides are properly used, current research indicates that the negative effects on wildlife are usually short-term and that herbicides can be used to meet wildlife habitat objectives.
Views: 1933
Downloads: 5
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Aminocarb and Fenitrothion in Aquatic Plants and Benthic Macroinvertebrates

Problem Addressed: Aminocarb and fenitrothion on aquatic plants and benthic macroinvertebrates.
Goal(s)/Objective(s): To collect and analyze a number of samples of aquatic plants and benthic macroinvertebrates for aminocarb following its application under experimental and operational spray conditions
Views: 2068
Downloads: 0
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Maine Forest and Forest Products Survey – Preliminary Findings

Problem Addressed: How do Maine residents view forests, forestry, and the emerging bioproducts industry.
Goal(s)/Objective(s): Explore Maine resident views toward forest conditions, practices, and new forest uses for bioenergy and other products.
Key Findings: Forest sustainability is a key concern both state-wide and in mill towns.
Recommendation: Maine residents express strong support for forestry and forest products. Sustainable harvesting is a precondition, as is stakeholder engagement in the development of new forest-based processing technologies.
Views: 2464
Downloads: 5
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Long-term compositional dynamics of Acadian mixedwood stands under different silvicultural regimes

Problem Addressed: Forest response to natural disturbances and silvicultural treatments over time
Goal(s)/Objective(s): Tree species composition versus initial composition and harvest disturbance history after 5 decades of silvicultural treatments
Key Findings: Higher harvest intensity increases dominance by early successional species; lighter harvests maintain dominance by late successional species
Recommendation: Sustaining cedar recruitment may require additional silvicultural treatments
Views: 2315
Downloads: 4
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Factors affecting species richness of tree regeneration in mixed-wood stands of central Maine

Problem Addressed: Within-stand spatial variability and tree regeneration
Goal(s)/Objective(s): Species richness of tree regeneration in response to smallscale ecological gradients, and effect of Abies balsamea abundance on species richness of other tree regeneration
Key Findings: Negative associations with A. balsamea regeneration density; large regeneration and overstorey basal area. Positive associations overstorey basal area; small and large regeneration and canopy transmittance.
Recommendation: Tree species diversity in Acadian mixed-wood stands may not be achievable through the use of gap-harvesting alone if the density of understorey Abies balsamea is not reduced
Views: 2348
Downloads: 2
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Forty years of spruce–fir stand development following herbicide application and precommercial thinning in central Maine, USA

Problem Addressed: Long-term stand dynamics for northern forests
Goal(s)/Objective(s): Evaluate the long-term effects of herbicide release and PCT on stand composition and structure; test assumptions about the effects on mixedwood stands
Key Findings: Early herbicide application created softwood-dominated mixedwood stands over the long term; PCT more than doubled merchantable softwood volume
Recommendation: Early PCT dramatically influences the development of spruce-fir stands
Views: 2161
Downloads: 4
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