搜索结果: 1-10 共查到“森林保护学 forest management”相关记录10条 . 查询时间(0.081 秒)
Forest management and snag characteristics in Northern Iran lowland forests
biodiversity broadleaved forests
2015/5/5
Some snag characteristics were studied in three different Hyrcanian lowland forests. The highest snag
density (38.4 stem·ha–1) was found in fully protected forests, and it was significantly higher t...
An overview of the effects of forest management on groundwater hydrology
forest harvesting groundwater recharge hydrogeology hydrology watershed management
2010/8/31
This paper provides an introduction to the role of groundwater in watersheds, presents an overview of groundwater resources in British Columbia, and reviews the potential effects of forest management ...
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...
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...
The Influence of Forest Management on the Assemblage of Longicorn Beetles
forest management insect biodiversity multiple-layered forest plantation vegetation
2009/8/28
Large-scale and rapid conversion of semi-natural forests to conifer plantations should have a great impact on regional biodiversity. On the other hand, it is expected that multiple-layered forestry ma...
Evaluating the Awareness of Typhoon Victims Concerning Forest Management to Prevent Floods and Landslides
accountability flooding and landslide preservation forest management quantification method III victims of typhoon
2009/8/27
In order to practice effective forest management to prevent floods and landslides, we evaluated the awareness of inhabitants of the Tokoro and Abashiri River basins following a typhoon, using a questi...
Characterizing the effects of dwarf mistletoe and other diseases for sustainable forest management
Arceuthobium tsugense forest tree disease impacts disease forecast models
2009/2/11
Many insects, fungi, and plants in forest ecosystems can damage trees and forests, depending on stand and environmental conditions. Natural disturbances, harvesting, and other forest practices can ret...