搜索结果: 1-10 共查到“林业基础学科 Surface”相关记录10条 . 查询时间(0.203 秒)
Modelling and analyzing the surface fire behaviour in Hyrcanian forest of Iran
burned area forest fire litter thickness
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2015/5/5
The purpose of this study was to assess the forest fire behaviour and investigate the impact of different
parameters on the spread of surface fire in the Hyrcanian forest of Iran. Surface fire was s...
Available nitrogen in the surface mineral layer of Serbian forest soils
A-value C/N ratio total organic C total soil N
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2015/3/27
Based on a greenhouse experiment, we evaluated nitrogen availability in the surface mineral layer of soil under various deciduous forest stands by analysing the following soil characteristics: total o...
Results of dynamic penetration test – an indicator of the compaction of surface soil horizons by forestry machinery
dynamic penetration test soil compaction soil mechanics lightweight dynamic penetrometer
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2015/3/27
The objective of research was, on the basis of the exactly predefined input parameters of upper soil horizons of selected forest soils, to perform accurate measurements of the impact of soil loading b...
Visible foliar injury as a tool for the assessment of surface ozone impact on native vegetation: a case study from the Jizerské hory Mts
Jizerské hory Mts surface ozone validation visible symptoms
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2015/3/19
Surface ozone is considered to be a very phytotoxic gaseous air pollutant. Its negative impacts at both the cell and the organ level have been shown, mainly as a result of experiments. However, the de...
Development of air pollutant deposition, soil water chemistry and soil on Šerlich research plots, and water chemistry in a surface water source
mountain forest stands deposition precipitation water chemistry soil water chemistry water chemistry in water sources soil chemistry
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2015/2/2
In 1986 (1987) research plots were established in a forest stands on the south-western slope of Šerlich Mt., Orlické hory Mts. (Kristina Colloredo-Mansfeld – Forest Administration Opočno), a...
Soil surface CO2 fluxes in a Norway spruce stand
Norway spruce Picea abies soil CO2 efflux Q10
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2015/2/2
The measurements of soil CO2 efflux in a Norway spruce (Picea abies [L.] Karst.) forest stand are reported for a 6-month period (from May 1st to October 26th 1999). Forest floor CO2 efflux was measure...
The Influence of Soil Micromorphology on Surface Soil Permeability of Slopes Overlaid with New Volcanic Deposit of Mount Fugen
depositional crust litter Mount Fugen soil micromorphology volcanic deposit
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2009/8/28
A micromorphological analysis was performed on the surface volcanic deposit formed by the 1990∼1995 eruption of Mount Fugen to clarify the influence of soil micromorphology and permeability on t...
Dynamics of Undergrowth and Its Application to Vegetation Control of Planted Chamaecyparis obtusa Endl.Forests with Special Reference to Mitigation of Surface Soil Loss
Chamaecyparis obtusa plantation dynamics of undergrowth soil erosion control stand density control vegetation control
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2009/8/28
Viewed from the erosion control in Hinoki cypress plantations, the dynamics of undergrowth was studied in order to apply the stand density control to vegetation control. Seventeen study plots were set...
The Effect of Treatment for Land Surface during Forest Practice on Soil Nitrogen Dynamics
nitrate nitrification nitrogen cycling scarification soil microbe
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2009/8/27
The inorganic nitrogen pool in soil, soil microbial biomass, nitrogen pool in vegetation and microbial nitrogen mineralization in soil were investigated to understand the effect of treatment for land ...
The Factors Determining the Position and the Form of Surface Failure in Weathered Granite Slope
exposed rock fragile layer, stability analysis of critical slip surface, strain, surface failure
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2009/8/24
To discuss failure phenomena, rainfall and saturation conditions within the soil and soil-surface movement were observed on a steep weathered granite slope containing fragile layers with characteristi...