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Cooperative Spruce Budworm Suppression Project Maine, 1979 Final Environmental Statement

Problem Addressed: Spruce Budworm Infestation

Goal(s)/Objective(s): Keep tree mortality at an acceptable level

Key Findings: Overall objectives of the 1978 spray project were not met, primarily because adverse weather delayed application of the insecticides.

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Biological Impact Studies of Experimental and Operational Spruce Budworm (Chloristoneura fumiferana Clemens) Control Programs on Selected Non-Target Organisms in Quebec, 1976

Goal(s)/Objective(s): Presents the findings of impact studies carried out in areas treated with the organophosphorus insecticides fenitrothion, phospohorothioate and phosphamidon in the Mont Tremblant, La Tuque and Chandler areas of Quebec, and the results of investigations into reports of accidental damage to the environment resulting from budworm control programs.

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Environmental Effects of The Spruce Budworm Spray Program in New Brunswick – 1976

Goal(s)/Objective(s): Deliver the latest information on the ecological consequences of the budworm spray program in New Brunswick.

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

Problem Addressed: Spruce Budworm in Maine

Key Findings: By utilizing silviculture, parasitism and limited chemical control a truly integrated approach will evolve.

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Étude de Détermination d’une Politique Globale D’Arrosage Aérien Contrel la Todeuse des Borgeons de L’épinette à Partir de Critères Économiques au Québec

Goal(s)/Objective(s): [Article in French]

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The Effects of Zectran on Fish and Wildlife

Goal(s)/Objective(s): Determine effectiveness of Zectran in controlling spruce budworm and evaluate any adverse effects on aquatic life and birds.

Key Findings: Zectran applied as a low volume application at a rate of 0.15 pounds per acre had no adverse effect on aquatic or bird life in the study area.

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Pulping of Diseased and Decayed Wood

Problem Addressed: Decay of wood

Key Findings: Decaying and insect-ridden wood can deleteriously affect processing and quality of the resulting pulp.

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Effects of Carbaryl (Sevin) on Brook Trout in Streams Receiving Drift from Spraying of Nearby Forests

Problem Addressed: Sevin-4-oil being used against Spruce Budworm

Goal(s)/Objective(s): Monitor 1979 operational spraying to determine 1. amounts and persistence of pesticide residues in stream water, 2. the effects on the invertebrates in the benthos and drift, 3. the effect on acetylcholinesterase (AChE) activity of young trout, 4. the effect on feeding success and diet composition of young trout.

Key Findings: No major effects on the aquatic community were detected

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Mapping Vulnerability of Spruce-Fir Stands in the Northeast to Spruce Budworm Attack

Goal(s)/Objective(s): Give plans for large holdings and smaller holdings

Key Findings: Among a number of areas or stands classified as "high hazard" there will be a considerable range in risk involved.

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Operational Test of Zectran (Mexacarbate) Against the Spruce Budworm (Choristoneura Fumiferana Clem.) in Maine, 1973

Goal(s)/Objective(s): Determine the efficacy of reduced application rates and dosage levels in reducing larval populations of the budworm and minimizing the amount of defoliation occurring in a given year.

Key Findings: Populations estimates made prior to treatment indicated high and relatively uniform populations in three of the four spray blocks. Block #36 had 37% fewer larvae, but the population level was high enough to cause complete stripping of current year's foliage and ultimately did so on that portion of the block that did not receive treatment.

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