搜索结果: 1-10 共查到“农学 Lodgepole pine”相关记录10条 . 查询时间(0.047 秒)
Influence of stand thinning and repeated fertilization on plant community abundance and diversity in young lodgepole pine stands: 15-year results
Biodiversity British Columbia Fertilization Forest management Lodgepole pine Plant productivity
2024/1/19
Enhanced forest productivity may provide the supply of wood fiber to keep pace with increasing global demand for wood products and the growing constraints on the harvestable land base imposed by measu...
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...
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...
Profitability of manual brushing in young lodgepole pine plantations
Central Interior of British Columbia internal rate of return manual brushing profitability
2010/8/31
Manual brushing is an important silvicultural tool commonly used to control competing vegetation in young conifer plantations. Yet little is known about the short-term economic benefits of one versus ...
Natural regeneration of lodgepole pine following partial harvesting on northern caribou winter range in west-central British Columbia
British Columbia caribou winter range forest management group selection lodgepole pine
2009/2/11
This study compares pine natural regeneration density and height growth in small harvested openings (0.01–0.07 ha) within two biogeoclimatic subzones (Sub-Boreal Pine–Spruce [SBPS] xc and Montane Spru...
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...
Field performance of pine stock types：Two-year results of a trial on interior lodgepole pine seedlings grown in Styroblocks, Copperblocks, or AirBlocks
Field performance of pine stock types trial interior lodgepole pine seedlings Styroblocks Copperblocks AirBlocks
2009/2/6
Copper-treated Styrofoam containers and containers with side slits have been designed to modify the root systems of seedlings grown in hardwall containers. By chemical- or air-pruning major lateral ro...
Forest bird response to partial cutting in lodgepole pine forests on caribou winter range in west-central British Columbia
birds group selection silvicultural system lodgepole pine partial cutting shelterwood
2009/2/6
Breeding birds were surveyed 1 year pre-harvest (1995) and 4 years post-harvest (1996–2001) to measure the response to partial cutting in old lodgepole pine (Pinus contorta Dougl.) forests on the Chil...
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...
Two-year field performance of lodgepole pine seedlings：Effects of container type, mycorrhizal fungal inoculants, and site preparation
container type Copperblock™ AirBlock™ Styroblock™ ectomycorrhizae inoculation lodgepole
2009/1/8
Interior lodgepole pine (Pinus contorta var. latifolia) seedlings were grown in Styroblocks™, Copperblocks™,
or AirBlocks™, and inoculated with Rhizopogon rubescens or Hebeloma long...