Wetlands Knowledge Search Results
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Forest biomass is the second-largest renewable energy resource in Canada, representing a major pool in the global carbon budget, but better estimates of forest biomass are needed. In the 1980s...
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Trees are constantly exposed to a multitude of micro-organisms, but only a few are capable of causing disease. When trees come under attack from micro-organisms, their primary line of defence is a...
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Authors
Barbara Darroch
Reinhard Hermesh
Disturbances of alpine and subalpine regions are increasing. They result from mining, pipeline and transportation corridor construction, tourism and other activities. Presently, there are no...
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Breeding programs and strategies for four major tree species of Canada are presented, including Douglas-fir ( Pseudotsuga menziesii (Mirb.) Franco), jack pine ( Pinus banksiana Lamb), the larch...
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This report is a review of published literature on calcareous soils and their role in the productivity of coniferous forests in southwestern British Columbia and western Alberta. Definitions, origins...
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An article about research into the ecological impact of gut parasites in caribou. The researchers "...developed a series of mathematical simulations to test how caribou survival, reproduction and...
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Authors
Roger Whitehead
F. Cortini
S.W. Taylor
A.F. Linnell Nemec
J.W. Goudie
J. Vallentgoed
K.R. Polsson
The Stony Lake trial was established in 1987 to benchmark growth performance of interior spruce ( Picea glauca [Moench] Voss x engelmannii Parry ex Engelm.) and lodgepole pine ( Pinus contorta Dougl...
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Authors
Julie Singleton
Judy Loo
John Foley
This manual provides management guidelines aimed at protecting biodiversity in ecologically sensitive sites found on private woodlots within the 420 000-ha Fundy Model Forest of southeastern New...
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Between 1960 and 1966, 21 planting and 14 seeding trials were established to convert aspen stands to spruce-aspen mixedwoods in three Manitoba Forest Management Sections. Scalped strips, varying in...
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Authors
Rona Sturrock
Ann Braybrooks
Pamela Reece
An overview of literature relevant to decay in living western redcedar is provided. Despite the species’ reputation for decay resistant heartwood, living western redcedar trees frequently have...
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Annosus root and butt rot was first reported in Quebec in 1989. The causal fungus enters a pine stand by colonizing the surface of freshly cut stumps. The disease spreads through contact between the...
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Soil quality criteria for Alberta's resource extraction industries were prepared by the Soil Quality Criteria Subcommittee of the Alberta Soils Advisory Committee. The document produced was intended...
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This study examines the relationship between seed production, soil scarification and seedling establishment in balsam fir ( Abies balsamea [L.] Mill.) and white spruce ( Picea glauca [Moench] Voss)...
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Authors
P. Salonius
K. Beaton
B. Roze
This study examined the effects of nursery rearing in an array of 51 individual fabricated frames that supported a range of six growing cell sizes at 11 plant spacings in all possible combinations. A...
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Authors
Chris Powter
Richard Dixon
Nicolas Mansuy
Based on 115 respondents, the survey highlights that the R&R economy in Alberta is robust, with 2 056 employees working at least part-time and 1 488 fulltime equivalent positions.
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Invasions by alien organisms into new habitats pose one of the most significant global threats to ecosystem biodiversity and serious threats to economies around the globe. Canada, with its vast...
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Authors
Choo Li
Hugh Barclay
Bernard Roitberg
Bob Lalonde
Shangming Huang
Dasvinder Kambo
Jeff Fera
This fibre fact provides an overview of what forest compensatory growth is and how the TreeCG model can be used to detect and plan for compensatory growth within a forest stand.
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Authors
Line Rochefort
Maria Strack
Pete Whittington
Martin Brummell
Laurence Turmel-Courchesne
Melanie Hawes
Marie-Claire LeBlanc
The Peatland Ecology Research Group (PERG), based in Université Laval (Québec City), has been conducting research on peatland management practices since 1992. Over the years, in partnership with the...
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This report documents the 15-year growth response of a Douglas-fir ( Pseudotsuga menziesii (Mirb) Franco) stand to thinning and urea fertilization. The initial treatments were carried out when the...
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Authors
A.Y. Omule
A.K. Mitchell
W.L. Wagner
The Canadian Forest Service’s Shawnigan Lake Project (SLP) main experiment was established in 1971–1972 to study the effects of fertilizing and thinning 24-year-old coastal Douglas-fir ( Pseudotsuga...