搜索结果: 1-14 共查到“农学 mountain pine”相关记录14条 . 查询时间(0.093 秒)
Growth of mountain pine (Pinus mugo Turra) in relation to the use of other tree species
mountain pine (Pinus mugo Turra) growth analysis
2015/3/3
In summit parts of the Orlické hory Mts., massive dieback of forests occurred during an air pollution/
ecological disaster in the 70s to the 80s of the 20th century. Destroyed stands were cut down an...
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 ...
Effects of fire return rates on traversability of lodgepole pine forests for mountain pine beetle: Implications for sustainable forest management
dispersal infestation lodgepole pine mountain pine beetle susceptibility traversability
2010/8/31
The spread of mountain pine beetle (MPB) depends on climate, weather, and topography, among other factors. In predicting the spread of the MPB in British Columbia, foresters should specifically consid...
Detecting and mapping mountain pine beetle red-attack damage with SPOT-5 10-m multispectral imagery
detection mountain pine beetle red-attack remote sensing SPOT-5
2009/2/11
The objective of this study was to gauge the effectiveness of using SPOT-5 10-m multispectral imagery to detect and map red-attack damage for an area near Cranbrook, British Columbia, Canada. A logist...
A review and synthesis of the effects of unsalvaged mountain-pine-beetle-attacked stands on wildlife and implications for forest management
ecological legacy mountain pine beetle sustainable forest management unsalvaged mountain pine beetle stands wildlife
2009/2/11
The mountain pine beetle epidemic has dramatically altered lodgepole pine forests in British Columbia, with potentially profound effects on wildlife and wildlife habitats. Forest managers should under...
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...
Environmental characteristics of mountain pine beetle infestation hot spots
Environmental characteristics mountain pine beetle hot spots
2009/2/6
A combination of favourable temperatures and abundant host trees has resulted in a mountain pine beetle (Dendroctonus ponderosae Hopkins) epidemic over the majority of the lodgepole pine forests of Br...
Evaluation of a mature lodgepole pine stand’s resistance to the current mountain pine beetle infestation after nitrogen fertilization
lodgepole pine mountain pine beetle nitrogen fertilization Southern Interior Forest Region
2009/2/6
Research is currently under way in the Southern Interior Forest Region to determine whether nitrogen fertilization can be used to increase mature lodgepole pine trees?natural defences against the moun...
Examining the utility of advance regeneration for reforestation and timber production in unsalvaged stands killed by the mountain pine beetle:Controlling factors and management implications
reforestation and timber production unsalvaged stands mountain pine beetle
2009/2/6
In unsalvaged stands killed by the mountain pine beetle, the release and growth of shade-tolerant advance regeneration may provide an important reforestation pathway. Stands developing from advance re...
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...
Restoration of forests attacked by mountain pine beetle:Misnomer, misdirected, or must-do?
forests mountain pine beetle Misnomer misdirected
2009/1/23
Much of the forest killed by the current mountain pine beetle outbreak in British Columbia will never be salvaged for commercial purposes. It has been suggested that large areas will need “restora...
Rate of deterioration, degrade, and fall of trees killed by mountain pine beetle
bluestain decay fungi moisture content mountain pine beetle shelf-life stand structure wood
2009/1/8
The information presented in this paper results from a review of published articles on deterioration of dead wood, and interviews of people with forestry and (or) mill experience from the 1980s Caribo...
The impact of treatment on mountain pine beetle infestation rates
epidemic management mountain pine beetle silviculture treatment
2009/1/8
The spatial extent of the current mountain pine beetle epidemic in western Canada has highlighted the need to understand the efficacy of treatment strategies. We investigate the effect of five direct-...
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...