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Utilization of Budworm Killed Spruce and Fir in Full Scale Sulfite Processing

Problem Addressed: Production of fully bleached market sulfite pulp and spruce budworm's effect on it.
Goal(s)/Objective(s): Outline some of the wood utilization techniques now in place and discuss the effect of budworm killed wood on product quality.
Key Findings: The increasing consumption of budworm killed wood at Nova Scotia Forest Industries shows no deleterious effect on pulp strength properties for bleached sulfite market pulp.
Views: 785
Downloads: 0
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Susceptibility of Balsam Fir to Spruce Budworm Defoliation as Affected by Thinning

Problem Addressed: Spruce budworm defoliation of balsam fir.
Goal(s)/Objective(s): Quantify defoliation levels in treated and control plots in order to determine what effect, if any, thinning had on the susceptibility of balsam fir.
Key Findings: Susceptibility of balsam fir to spruce budworm defoliation was not affected after thinning in coniferous and hardwood forest types.
Views: 778
Downloads: 5
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Sticky-Board Trap for Measuring Dispersal of Spruce Budworm Larvae

Problem Addressed: Spread of spruce budworm larvae.
Goal(s)/Objective(s): Describe a new sticky-board traps for measuring early-larval dispersal of the spruce budworm, Choristoneura fumiferana (Clem.), and evaluates trap-board color and screen versus unscreened traps.
Key Findings: Dispersing spruce budworm larvae showed no preference for trap color; fewer nontarget arthropods were caught ondark-colored than on light-colored traps. Screened traps caught significantly more spruce budworm larvae than unscreened traps, and they were easier to examine.
Views: 802
Downloads: 0
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Wood Supply Analysis by Simulation

Problem Addressed: Wood supply
Goal(s)/Objective(s): Present a method of harvesting and silviculture in forest development.
Key Findings: By forecasting the long-term effects of silviculture and harvesting, it is possible to choose a management strategy to achieve desired benefits from the forest.
Views: 1157
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.
Views: 1025
Downloads: 1
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Potential for Prebunching with Small Wheeled Tractors

Problem Addressed: Slash from precommercial thinning creating an extreme fire hazard and serving as a breeding ground for insects.
Goal(s)/Objective(s): Utilize slash from precommercial thinning operations to meet part of the needs for wood fiber and energy.
Key Findings: A system that involves moving trees from the woods to a main skid trail with a small machine and moving the bunched materials from the skid trail to the landing with a larger machine is necessary.
Views: 796
Downloads: 0
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The Effects of Fenitrothion, Matacil and Orthene on Frog Larvae

Problem Addressed: Effects of insecticides used for spruce budworm control on other wildlife.
Goal(s)/Objective(s): Discuss the behavioral repertoire of Rana clamitans tadpoles in the laboratory.
Key Findings: Concentrations detrimental to anuran larvae would never be encountered under normal operational applications of these chemicals.
Views: 836
Downloads: 0
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Impact of the 1974-81 Spruce Budworm Infestation on the Forests of Cape Breton Island

Problem Addressed: Spruce budworm infestation on Cape Breton Island, Nova Scotia beginning in 1974.
Goal(s)/Objective(s): Determine what the overall effects of the SBW infestation on the Island forests was.
Key Findings: Volume of merchantable spruce/fir growing stock was reduced, degree of damage varied by covertype, and over half of the projected living merchantable spruce and fir trees died either during or immediately following the SBW attack.
Views: 896
Downloads: 3
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