搜索结果: 1-15 共查到“森林保护学其他学科 forest”相关记录17条 . 查询时间(0.105 秒)
Costs of basic methods of forest landmaintenance in protective zones of high-voltage power lines in the Czech Republic
Czech Republic forest lands high-voltage power lines maintenance costs
2015/3/20
The paper describes the basic potential methods and their costs of maintenance of forest lands in protective zones under high-voltage power lines (HVPL) 400 kV and 220 kV. In the present situation and...
Rodent-caused damage to forest trees from the viewpoint of forestry practice
bank vole bark damage field vole forest damage
2015/3/19
Small mammals cause serious damage to forests but there is only little knowledge of their ecology and possibilities of plantation protection. The objective of our study was to collect information on t...
Real potentials of social forest functions of selected forest stands at Židlochovice Forest Enterprise
floodplain forests social forest functions real potential of social forest functions
2015/2/2
Social functions of forests were evaluated at Židlochovice Forest Enterprise by applying the method of Vyskot et al. (1996–2002). Real potentials of social forest functions were determined for al...
Different types of damage in mountain forest stands of the Czech Republic
health status antropogenous factors new damage spruce mountains
2015/2/2
Forests in the Czech Republic are highly influenced by the antropogenous factors – those are particularly air pollution, pollutant deposition, soil degradation, change of the natural forest ecosystems...
Composition of psocid taxocenoses (Insecta: Psocoptera) in dependence on the level of naturalness of forest ecosystems in the Žďárské vrchy hills
Psocoptera types of forest ecosystems Protected Landscape Area Ž ď árské vrchy
2015/1/29
In 1999–2000 in the Protected Landscape Area (PLA) Žďárské vrchy hills the occurrence of psocids (Psocoptera) was studied in different types of biotopes: natural forest ecosystems (stands of...
Total carbon stocks and carbon accumulation in living tree biomass in forest ecosystems of Turkey
AFOLU carbon accumulation carbon stock forest Turkey
2011/6/29
In this study, the carbon stocks of forests of Turkey were examined by taking the national forest inventory completed in 2004 as a basis. Furthermore, the annual accumulations of carbon in the above- ...
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 ...
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 Relationship between Forest Conversion and Inequality of Land Ownership,and the Factors Responsible for Increasing the Inequality in Sumatran Rubber Villages,Indonesia
forest loss Indonesia land ownership poverty rubber
2009/8/27
In Indonesia, the main factor behind forest clearance has been agricultural expansion, especially that of cash tree crops such as rubber and oil palm. This paper aims to clarify if forest loss due to ...
Characteristics of Typhoon Damage to Major Tree Species in a Lucidophyllous Forest:A Comparison of Tree Species Responses to Several Typhoons at the Aya Long-term Ecological Research Site
LTER resistance to wind disturbance snapped stems species-specific characteristics uprooting
2009/8/27
We analyzed data from three typhoons to characterize typhoon damage in a lucidophyllous forest at the Aya Long-term Ecological Research (LTER) Site located in Miyazaki Prefecture, Japan. We calculated...
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...
The Effect of Forest Cutting on Flow Duration Curve of Mountainous Small Watershed:Evaluation of the Influence of Vegetation on Inter-watershed Variation in Flow Duration Curve
change in water yield flow duration curve forest cutting Fukuroyamasawa watershed paired watershed method
2009/8/24
We used the paired-watershed method to analyze changes in the flow duration curve after forest clear-cutting in the Fukuroyamasawa Experimental Watershed (35°12′ N, 140°06′ E) in University Forest, Ch...
Cariboo Forest Region：Part 1 of 3 Vegetation Complex Stand Establlishment Decision Aids
Cariboo Forest Region Vegetation Decision Aids
2009/2/11
Over the last four years, the Early Stand Dynamics program of FORREX–Forest Research Extension Partnership has assessed the information needs of the operational silvicultural community. This process h...
Cariboo Forest Region：Part 2 of 3 Vegetation Complex Stand Establishment Decision Aids
Cariboo Forest Region Vegetation Complex
2009/2/11
Over the last four years, the Early Stand Dynamics program of FORREX–Forest Research Extension Partnership has assessed the information needs of the operational silvicultural community. This process ...
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...