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Summary of the EPA’s Evaluation of the Pesticide Carbaryl

Problem Addressed: Effects of insecticides

Goal(s)/Objective(s): Summary of EPA's evaluation of the pesticide carbaryl, and weight the risks of using a pesticide against its economic and social benefits.

Key Findings: Carbaryl is a registered pesticide which has been demonstrated not to cause unreasonable adverse effects when used in accordance with commonly recognized practices.

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Final Report 1973, Parasitoid Studies

Problem Addressed: Spruce budworm

Goal(s)/Objective(s): See if areas of spruce-fir containing mixtures of various species of hardwoods would also harbor (1) lower populations of budworm, and (2) greater percentages of parasites.

Key Findings: Spruce budworm populations were much lower in areas containing predominantly hardwoods mixed with some spruce and fir.

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The Presettlement Forest and Natural Disturbance Cycle of Northeastern Maine

Problem Addressed: The unknown character of the presettlement forests in New England.

Goal(s)/Objective(s): Estimate the species composition of the presettlement forests, to interpret their successional status, and to provide evidence on the frequency of large-scale natural disturbances.

Key Findings: Severe disturbance was fairly common in the presettlement forest of northern Maine, and data from the land surveys and individual virgin stands likewise indicate that most of the land surface supported climax stands that were frequently all-aged.

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Studies of Aerial Spraying Against the Spruce Budworm in New Brunswick Vs. Techniques for Large-Scale Egg and Defoliation Surveys 1953-55

Problem Addressed: The need for intensive survey coverage of the current spruce budworm outbreak

Goal(s)/Objective(s): Intelligent planning of control or presalvage operations against the spruce budworm.

Downloads: 3

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Spruce Budworm Damage Assessment with 35mm Air Photos

Problem Addressed: Spruce budworm

Goal(s)/Objective(s): Assist forest managers at all levels in assessing damage and estimating possible future damage due to spruce budworm activity and provide an index which can be used to rank stands in terms of relative probability of future damage.

Downloads: 1

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Mobility of Forest Insects

Problem Addressed: Forest insects

Goal(s)/Objective(s): Discuss the mobility of forest insects.

Key Findings: Replace where possible current protection strategies with more aggressive strategies that aim at the prevention of pest damage, for the future of forestry in Canada.

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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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