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Source of Growth Variability in Interior Douglas-fir
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To assess the growth of the uneven-aged stands of Douglas-fir in the Interior Douglas-fir zone of British Columbia, and the factors influencing the growth, data from 92 permanent sample plots were...
Southern Vancouverian Dry Foothill Forest & Woodland
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The Canadian National Vegetation Classification (CNVC) is an ecological classification of natural and semi-natural Canadian vegetation. The classification is a hierarchical taxonomy, describing...
Species Distribution and Habitat Relationships of Waterfowl in Northeastern Alberta
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Spring-staging totals for two surveys for this year were 1000 and 3600 ducks. Five fall-staging surveys revealed a total of from 11 000 to 24 000 ducks.
Spongieuse
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La spongieuse ( Lymantria dispar) est un insecte défoliateur non indigène naturalisé. La spongieuse a une prédilection pour le chêne, mais elle s’attaque à plusieurs autres essences d’arbres indigènes...
Spongy Moth
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Spongy moth ( Lymantria dispar) is a naturalized non-native pest that prefers oak leaves, but it can defoliate several other tree species native to Canada. Repeated high rates of defoliation by spongy...
Stand Development After Partial Cutting of Mature Mixed Stands of White Spruce and Aspen in Manitoba
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One-hundred-year-old mixed white spruce–aspen stands were partially cut in 1953, 1954, and 1955 and scarified leaving treatments that retained 14–100% of total stand basal area. Composition of the...
Stem Rusts of Pine
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Forest Pest Leaflets are a series of about eighty publications dealing with insects, tree diseases, and other problems affecting the growth, survival, and general health of forests. Each leaflet...
Studies in Recolonization of Stream Substrates by Aquatic Organisms
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Colonization of limestone gravel, limestone gravel + organic matter, and limestone gravel from a river bed was followed over time to compare two possible stream reclamation substrates with a control
Successful Tree Planting
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This maintenance schedule outlines the care that trees need in each season. It can be used as a checklist year after year. You can adapt it to your local area and the specific needs of your project.
Succession forestière de la sapinière à bouleau jaune du Bas-Saint-Laurent
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In Quebec, the bioclimatic zone of balsam fir-yellow birch covers an area of 94,768 km 2. Some of the forest cover types in the area, such as balsam fir-yellow birch, are among the most productive in...
Successional Changes in Plant Species Diversity in Forest Chonosequences on Southern Vancouver Island
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Six chronosequences were established on southern Vancouver Island, British Columbia, to address the concerns regarding the potential loss of species diversity and increased risk to rare or old-growth...
Summary of Lichen Field Work from Quebec to Labrador
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This report summarizes the work that was completed by NRCan personnel and project partners at eleven study sites within Quebec and Labrador between July 22 and August 2, 2019. This work was conducted...
Supplemental Fisheries Life History Data for Selected Lakes and Streams in the AOSERP Study Area
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Life history information and location data for the 672 fish, of 17 species, collected from rivers lakes are presented in table format
Survival and Vigor of Off-Site and Exotic Plantations Near Terrace and Campbell River, British Columbia
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Although hundreds of off-site and exotic tree plantations have been established in British Columbia since the 1950s, there is a lack of current information on their survival and condition. In this...
Susceptibility of Canadian Flora to EU2 Lineage of Phytophthora Ramorum and Pathogen Sporulation Potential
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Phytophthora ramorum is an oomycete pathogen and causal agent of a disease commonly referred to as sudden oak death (SOD). The pathogen also causes foliar blight and shoot dieback of nursery plants...
Susceptibility of Western Conifers to Laminated Root Rot
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Laminated root rot caused by the fungus Phellinus weirii is one of the most important root diseases of conifers in western North America. This short note discusses the susceptibility of western...
Sylviculture d’adaptation aux changements climatiques : des concepts à la réalité
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As part of the Carrefour Forêts 2019 Conference, the forest research branch of Quebec’s Ministère des Forêts, de la Faune et des Parcs and the Canadian Wood Fibre Centre of Natural Resources Canada...
Symptomology and Threshold Levels of Air Pollutant Injury to Vegetation, 1979-80
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A number of coniferous and deciduous species that had been growing on the Suncor tailings sand dike for five to seven years were fumigated with 0.34 ppm SO2 under controlled environmental conditions