搜索结果: 1-10 共查到“森林保护学 Research”相关记录10条 . 查询时间(0.203 秒)
Establishment and selected characteristics of the Hády coppice and coppice-with-standards forest research plot (TARMAG I)
biodiversity coppice coppice-with-standards conversion NATURA 2000
2015/3/27
The paper deals with the establishment of the coppice and coppice-with-standards research object under the project Biodiversity and Target Management of Endangered and Protected Species in Coppices an...
Research on individual parameters for cutting power of woodcutting process by circular saws
circular saw cutting edge geometry cutting power wood crosscutting
2015/3/19
Nowadays, the wood cutting process looks like a technological scheme consisting of several connected and relatively inseparable parts. Wood crosscutting is the most widespread operation in the process...
Health status of forest stands on permanent research plots in the Krkonoše Mts
air pollution beech mixed and spruce stands damage defoliation health status Krkonoš e Mts. transition matrices
2015/3/19
Damage to beech, mixed (beech with spruce to spruce with beech) and spruce stands in the Krkonoše Mts. is described on the basis of evaluation of transition matrices describing the probability of...
Recent fir hybridization research in the light of Czech-American cooperation
Abies hybridization breeding
2015/3/16
The project is based on control pollination of different fir species in the sense of interspecific hybridization. The aim of this procedure is a new bred material for specific needs of forestry and Ch...
Dynamics of the health status of forest stands and its prediction on research plots in the Šumava Mts.
health status defoliation air-pollution and ecological stress
2015/3/3
The paper summarises the evaluation of the health status dynamics of allochthonous spruce stands in
the Modrava Forest District and of natural stands in the Plešny Forest District. Analysis is ...
Effect of long-term tending on qualitative and quantitative production in mixed stands of spruce, fir and beech on Motyky research plot
thinnings crop trees static stability
2015/1/29
The paper is a contribution to research on thinnings in mixed (spruce-fir-beech) stands situated in the fifth forest altitudinal zone in the central part of Slovakia. Three plots were tended by free c...
Dynamics of health status of forest stands on research plots in the Šumava National Park
health status defoliation air-pollution and ecological stress
2015/1/29
The paper summarises an evaluation of the health status dynamics of allochthonous spruce stands in the Modrava Forest District and of natural stands in the Plešny Forest District. Analysis is bas...
Criteria and indicators of monitoring the sustainable wood production and forest conservation using AHP (Case study: Kheyrud educational and research forest)
Monitoring criteria and indicators forest management plan wood production function forest conservation function
2010/9/13
Sustainable forest management is known as the most effective type of forest management. This mode of management is aimed at enabling sustainable and comprehensive development in forest-related sectors...
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...
Forest Research(UK)
forestry protection 林学
2007/12/21
Forest Research is the government department responsible for the protection and expansion of Britain’s forests and woodlands. Forest Research is one of the world’s leading centres of research into woo...