搜索结果: 1-15 共查到“林业基础学科 British Columbia”相关记录20条 . 查询时间(0.194 秒)
Influence of past forestry practices on western spruce budworm defoliation and associated impacts in southern British Columbia
impact Choristoneura occidentalis Pseudotsuga menziesii stand structure understorey mortality
2010/8/31
The western spruce budworm, Choristoneura occidentalis Freeman, is a native defoliator of interior Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) forests in British Columbia. Repeated budworm defo...
Development and potential of the cultivated and wild-harvested mushroom industries in the Republic of Korea and British Columbia
commercially harvested forest mushrooms cultivated mushrooms non-timber forest products
2009/2/11
Inspired by collaborative work among researchers from the two jurisdictions, we explore the commercial mushroom industry in the Republic of Korea and British Columbia, Canada, searching for similariti...
Distribution and abundance of birds relative to elevation and biogeoclimatic zones in coastal old-growth forests in southern British Columbia
Distribution abundance of birds elevation biogeoclimatic zones coastal old-growth forests British Columbia
2009/2/11
This study examined birds and their association with forest structure and elevation in 1992 and 1993. The research sites were located in old-growth forest stands (251+ years) distributed between 400 a...
An empirical approach to predicting water quality in small streams of southern British Columbia using biogeoclimatic ecosystem classifications
baseflow biogeoclimatic ecosystem classification British Columbia conductivity
2009/2/11
Water quality data from a synoptic survey of low-order streams (n = 581) were investigated as a function of the biogeoclimatic zone and moisture subzone groupings of the biogeoclimatic ecological clas...
Assessing approaches to climate-change-related policy formulation in British Columbia’s forest sector：The case of the mountain pine beetle epidemic
British Columbia climate change forest management mountain pine beetle epidemic policy process frameworks
2009/2/11
A growing literature considers how the forest management community will have to adapt to future climate change impacts. Recently in this journal, Spittlehouse and Stewart presented a framework for pla...
Bald eagle nest site and nest tree characteristics in select biogeoclimatic zones of the 100 Mile House Forest District, British Columbia
100 Mile House Forest District bald eagles biogeoclimatic zones nest sites nest trees
2009/2/11
Bald eagle (Haliaeetus leucocephalus) nest site and nest tree characteristics were studied in the Sub-Boreal Spruce (SBS), Interior Cedar–Hemlock (ICH), Sub-Boreal Pine–Spruce (SBPS), and interior Do...
Ectomycorrhizae and forestry in British Columbia：A summary of current research and conservation strategies
Ectomycorrhizae and forestry British Columbia current research conservation strategies
2009/2/6
Ectomycorrhizae are fungus-root associations that comprise the feeder roots of most commercially important conifers in British Columbia. A large body of research has been conducted on ectomycorrhizae ...
Evolving ecosystem management in the context of British Columbia resource planning
ecosystem management human security Clayoquot Sound British Columbia ecosystem
2009/2/6
Ecosystem management is an approach to natural resource planning that theoretically places environmental
issues on an equal footing with the economic concerns that dominate resource use. This approac...
Litter decomposition in British Columbia forests：Controlling factors and influences of forestry activities
climate biogeoclimatic zones British Columbia mixed-species forests
2009/2/6
Four commonly held beliefs about litter decomposition rates were tested in a suite of field experiments in British Columbia forests: (1) decomposition is slower in cold (northern and high-elevation) f...
Ecological description and classification of some pine mushroom habitat in British Columbia
Ecological description classification pine mushroom habitat British Columbia
2009/2/5
This extension note summarizes the biology, traditional use, harvest method, and habitat of pine mushrooms in British Columbia and briefly discusses how information on habitat can be used to integrate...
Human Dimensions of Biodiversity Conservation in the Interior Forests of British Columbia
forest management biological diversity biodiversity conservation human dimensions
2009/2/5
Generally, studies on biodiversity conservation have focused on topics within the natural sciences, such as species and ecosystem concerns. However, an understanding of the human dimensions of biodive...
Identifying indicators of community sustainability in the Robson Valley, British Columbia
community sustainability Robson Valley British Columbia
2009/2/5
This paper outlines a method of developing indicators of well-being in small, forest-based communities. It also describes some specific measures of well-being in a particular forest-based community in...
Lodgepole pine nutrition and growth on grazed forest cutblocks in southern British Columbia
Lodgepole pine nutrition grazed forest cutblocks southern British Columbia
2009/2/5
Forest grazing occurs on replanted or naturally regenerated cutblocks, giving temporary grazing opportunities for
British Columbia’s beef industry. However, grazing on forest cutblocks sometimes resu...
Snow accumulation and ablation in a beetle-killed pine stand in Northern Interior British Columbia
ablation accumulation energy balance forest canopy mountain pine beetle snow
2009/1/9
This preliminary study examined the impact of mountain pine beetle (Dendroctonus ponderosae) infestation and subsequent canopy mortality on ground snow accumulation and ablation in lodgepole pine (Pin...
Snow cover extent during spring snowmelt in the south-central interior of British Columbia
forest development H60 hydrologic assessment Mission Creek Okanagan peak flow runoff
2009/1/9
The H60 contour elevation (i.e., elevation above which 60% of the watershed lies) is commonly used in hydrologic impact assessments of snowmelt-dominated watersheds in the interior of British Columbia...