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Threshold Concentration of Aminocarb That Causes Drift of Stream Insects

Goal(s)/Objective(s): Determine the margin of safety for stream invertebrates for Matacil 180 Oil Flowable, a candidate insecticide for the spruce budworm.

Key Findings: For aminocarb in this formulation, the threshold concentration that induces drift is about 30 µg/L.

Downloads: 1

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Spruce Budworm Protection Management in Maine

Problem Addressed: Spruce Budworm in Maine

Key Findings: Current management choices appear to lie between years of repetitive chemical spraying, or, if spraying is stopped, extensive tree mortality followed by collapse of the outbreak.

Downloads: 5

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Bark Beetle Dispersal Related to Patterns of Tree Mortality and Wind

Problem Addressed: Attack of living pine trees by southern pine beetles

Key Findings: The direct relationship among spot incidence and mean distance from nearest spots within period 1 indicates that the more abundant spots were in an octant, the further apart they were on the average.

Downloads: 0

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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.

Downloads: 2

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The Spruce Budworm in Newfoundland in 1986

Problem Addressed: Spruce Budworm in Newfoundland

Key Findings: Sampling was conducted in conjunction with the hemlock looper egg survey in late October. The forecast will be provided after the completion of processing of samples.

Downloads: 2

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The Control of Forest Insects in Ontario – 1986

Problem Addressed: Forest insect pests

Goal(s)/Objective(s): Spray programs against these forest pests

Key Findings: In general, the 1986 protection program was completed satisfactorily

Downloads: 0

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Maine Spruce Budworm Aerial Spray Computer Users Guide

Problem Addressed: Spruce Budworm

Goal(s)/Objective(s): Provide estimates of a spray project's total operating cost, the number of spray teams required, the hours of flying time by aircraft type and airfield, and a detailed report listing the airfield and aircraft type recommended for each spray block.

Downloads: 0

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Patterns of Balsam Fir Mortality Caused by an Uncontrolled Spruce Budworm Outbreak

Goal(s)/Objective(s): Determine the relationship of tree and stand mortality to cumulative defoliation, the variability in tree mortality within and between stands and its relation to tree, stand, and site characteristics, and to evaluate the accuracy of regression equations presented by MacLean (1980) for predicting stand mortality during an outbreak.

Key Findings: There is a need for quantitative predictions of the impact of uncontrolled budworm outbreaks on stand yield for use in timber supply projections and the best model of tree mortality caused by budworm is that of a constant proportion of the host volume or density (i.e. a linear relationship)

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Potential Export Markets for Spruce and Fir Wood

Goal(s)/Objective(s): Explore the opportunities for Maine to export and increase the cut of spruce and fir wood to Europe.

Downloads: 2

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Maine Spruce Budworm Spray Operations Manual

Problem Addressed: Spruce Budworm in Maine

Goal(s)/Objective(s): Provide a source of information and guidance for personnel involved with Maine spruce budworm suppression programs.

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