搜索结果: 1-14 共查到“森林保护学 Columbia”相关记录14条 . 查询时间(0.02 秒)
Evaluation of tree condition and tree safety assessment procedures in beetle-killed and fire-damaged lodgepole pine stands in central interior British Columbia
danger trees lodgepole pine mountain pine beetle Sub-Boreal Spruce zone tree condition tree damage wildfire worker safety
2010/8/31
This study quantified characteristics related to tree condition and deterioration in stands affected by the mountain pine beetle (MPB, Dendroctonus ponderosae) or wildfire. The stands evaluated were r...
Aerial overview survey of the mountain pine beetle epidemic in British Columbia: Communication of impacts
aerial overview survey Dendroctonus ponderosae GIS infestation mountain pine beetle severity strategic survey tessellation time series
2010/8/31
In western Canada, the current outbreak of mountain pine beetle (Dendroctonus ponderosae) is of unprecedented proportions. Annual aerial overview surveys (AOS) are the primary means of accounting for ...
British Columbia抯 Forests White Pine Blister Rust Forest Health Stand Establishment Decision Aid
Cronartium ribicolaforest health forest management pine stem rust management Ribes spp white pine blister rust
2010/8/31
White pine blister rust (Cronartium ribicola) is an introduced disease affecting five-needle pines throughout North America. Like other non-native pests, its impact on the native hosts has been dramat...
British Columbia抯 Northeastern Forests: Aspen Complex Stand Establishment Decision Aid
deciduous and mixedwood management fibre production Populus tremuloides silviculture systems trembling aspen vegetation management
2010/8/31
Aspen (Populus tremuloides) is the most widely distributed tree species in North America and can be found from the McKenzie Delta to northern Mexico. Its range in British Columbia is restricted to the...
British Columbia抯 Northern Interior Forests Dothistroma Stand Establishment Decision Aid
climate change Dothistroma needle blight Dothistroma septosporum forest health red band needle disease tree species deployment
2010/8/31
Dothistroma needle blight, also known as red band needle blight, is caused by the fungus Dothistroma septosporum. It affects over 60 species of pine in 45 countries and is considered the most destruct...
British Columbia抯 Northern Interior Forests: Warren Root Collar Weevil Stand Establishment Decision Aid
duff reduction strategies Hylobius warreni lodgepole pine pests managing pine plantations pest hazard ratings stem girdling Warren root collar weevil
2010/8/31
Warren root collar weevil (Hylobius warreni) is a commonly occurring insect found in most of British Columbia and as far north as the Northwest Territories. This weevil affects many tree species and i...
Forest management and maintenance of ectomycorrhizae: A case study of green tree retention in south-coastal British Columbia
Douglas-fir seedlings ectomycorrhizal ecology edge effects mature second-growth forests single green tree retention variable retention silviculture
2010/8/31
Assessment of ectomycorrhizal (EM) colonization was carried out in a variable green tree retention experimental block near Powell River, British Columbia. We hypothesized that increasing retention lev...
An analysis of escaped fires from broadcast burning in the Prince George Forest Region of British Columbia
broadcast burns escaped fires Prince George Forest Region Muraro’s Prescribed Fire Predictor
2009/2/11
Prescribed fire is an important silvicultural tool. Several factors, including changes in silvicultural techniques,
regulations regarding the use of prescribed fire, air quality concerns, and concern...
Effects of bark beetle outbreaks on avian biodiversity in the British Columbia interior：Implications for critical habitat management
avian beetle predators biodiversity and forest health cavity-nesting birds and mammals critical habitat attributes natural disturbance types
2009/2/6
The health of coniferous and mixed forests in western Canada is a critical forest management issue with implications for the forest industry, biodiversity conservation, and regional land use planning....
Disturbance regimes in coastal British Columbia
canopy gap dynamics Coastal Western Hemlock zone disturbance regime ecosystem management fire return intervals Mountain Hemlock zone wet coastal temperate rain forest
2009/2/5
What is the dominant disturbance regime in coastal British Columbia? In this literature review, we discuss
the relative importance of fire versus canopy gaps as agents of disturbance affecting the st...
Hydrologic effects of mountain pine beetle in the interior pine forests of British Columbia：Key questions and current knowledge
annual water yield forest operations groundwater hydrologic recovery low flow modelling
2009/2/5
The mountain pine beetle (MPB) (Dendroctonus ponderosae Hopkins) could have a large effect on hydrologic regimes in British Columbia watersheds. Given the recent increase in size of the beetle infesta...
Science and innovation critical in shaping British Columbia’s future forest legacy
Science and innovation critical British Columbia’s future forest legacy
2009/1/23
I am feeling somewhat reflective. Just over a week ago, I announced that I am moving on in my career
after 10 years as British Columbia’s Chief Forester. A new set of challenges awaits me, but I appr...
The fire history of a 416-year-old western larch tree in southeastern British Columbia
fire history historical benchmark master chronology restoration Rocky Mountain Trench
2009/1/9
The fire history obtained from pre-settlement fire-scarred trees provides useful benchmarks for the
restoration of dry interior, fire-dependent forest ecosystems. In the Rocky Mountain Trench of sout...
Wildlife/danger tree assessment in unharvested stands attacked by mountain pine beetle in the central interior of British Columbia
falldown Lakes Timber Supply Area mountain pine beetle natural disturbance workplace safety
2009/1/8
This extension note outlines work that was part of a broader study designed to collect baseline forest structure data in the Sub-Boreal Spruce dry cool biogeoclimatic subzone (SBSdk) of the Lakes Timb...