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Birch (Betula papyrifera) × white spruce (Picea glauca) interactions in mixedwood stands: implications for managementv
boreal forest competition mean annual DBH growth productivity relative density index (RDI) vegetation management
2015/4/24
Current British Columbia forest regulations drive the regeneration management towards pure conifer stands rather than remaining in a mixed-species condition. This approach may result in unnecessary ve...
Production impacts of forest tree breeding on an example of Norway spruce
economic efficiency forest tree breeding growth Norway spruce production
2015/3/19
The present paper evaluates the height, diameter and stem volume of parental tree progenies. These Norway spruce progenies are compared with the control estimated from tables. The control was overperf...
Conversion of substitute tree species stands and pure spruce stands in theOreMountains inSaxony– A Report
substitute tree species stands pure spruce stands species composition conversion Ore Mountains Mts. Germany
2015/2/6
The original natural forest ecosystems of the OreMountains(Norway spruce, silver fir, and beech forests) have been destroyed by overcropping since the 11th century. In the 19th century spruce afforest...
Breeding value of Norway spruce (Picea abies [L.] Karst.)
plus trees progenies qualitative traits productivity survival rate heritability
2015/2/2
This is the first report on measurements and observations of an experimental plot of 35-year-old Norway spruce, established in 1970 by the Institute of Dendrology at Kórnik, where progenies of 22 plus...
Growing trembling aspen and white spruce intimate mixtures：Early results（13—17 years）and future projections
Growing trembling aspen white spruce intimate mixtures Early results future projections
2009/2/5
Controlled mixtures of trembling aspen (Populus tremuloides Michx.) and white spruce (Picea glauca [Moench] Voss) were established in 1989 at two locations in the Boreal White and Black Spruce (BWBS) ...
Effects of Seed Origin and Site on Wood Density of Sitka Spruce（Picea sitchensis（Bong.）Carr.）Grown in Britain
Seed Origin Site Wood Density Sitka Spruce Plantations
2009/1/13
Since density may have a direct influence on wood properties and because density is a factor under genetic control, this study details the effects of seed origins and sites on density. In addition to...
Spruce Weevil and Western Spruce Budworm Forest Health Stand Establishment Decision Aids
Choristoneura occidentalis forest health harvesting Pissodes strobi productivity silviculture
2009/1/9
Western spruce budworm (Choristoneura occidentalis) is a defoliator of Douglas-fir throughout the tree’s range in British Columbia. Although recent defoliation levels within the Coast Forest Region (c...