搜索结果: 1-15 共查到“林业基础学科 assessment”相关记录22条 . 查询时间(0.109 秒)
Spatial Assessment of Ecosystem Services from Planted Forests in Central Vietnam
Vietnam planted forests land use and land cover ecosystem services spatial assessment
2024/1/22
Globally, planted forests are increasing, providing increased resources to forest industries and ecosystem services (ES) to local and wider communities. However, assessment of the impacts of plantatio...
Assessment of Different Measurement Methods/Techniques in Predicting Modulus of Elasticity of Plantation Eucalyptus nitens Timber for Structural Purposes
Eucalyptus nitens structural applications hardwood plantation structural grading modulus of elasticity
2023/12/6
The mechanical properties of plantation Eucalyptus Nitens timber are currently assessed by applying visual stress grading (VSG) designed for the sawn timber from the mature plantation and do not repre...
Distribution, relationship, and risk assessment of toxic heavy metals in walnuts and growth soil
toxic heavy metals walnuts growth soil
2023/6/5
Walnut is one the most popular nuts worldwide and contains various mineral nutrients. Little is known, however, about the relationship between toxic heavy metals in walnuts and growth soil. In this st...
Assessment Techniques in Forest Biomass along the Timber Supply Chain
forest biomass biomass energy supply chain biomass estimation assessment techniques biomass feedstock
2024/2/27
As a part of the renewable energy cycle, forest biomass resources are considered to be important renewable materials and energy sources in many countries. It is evident from international and local re...
MAPPING OF HIGHLY HETEROGENEOUS URBAN STRUCTURE TYPE FOR FLOOD VULNERABILITY ASSESSMENT
Urban Structure Type Object-based image analysis Random forest Support vector machine CART Flood vulnerability
2018/11/9
Vulnerability plays an important role in risk assessment. For flood vulnerability assessment, the map and characteristics of elements-at-risk at different scales are strongly required depending on the...
Assessment of root-shoot ratio biomass and carbon storage of Quercus brantii Lindl. in the central Zagros forests of Iran
carbon sequestration crown diameter component Persian oak growth form
2018/3/6
Assessment of carbon storage build-up in tree stems is a difficult task due to the lack of information on their carbon
sequestration potential and allocation in different components. Similarly, high ...
Multivariate analysis for assessment of the tree populations based on dendrometric data with an example of similarity among Norway spruce subpopulations
dendrometry hierarchical classification ordination Picea abies
2018/3/6
The new method for evaluation of tree populations presented here is based on a correlation analysis within a set of
dendrometric variables. The correlation analysis is carried out for each population...
Assessment of plant biological diversity and soil characteristics in the pure ash tree stand and in mixture with beech (a case study of Lavij-Noor, Iran)
Hyrcanian forest mixed stand biodiversity Shannon-Wiener soil chemical properties
2018/3/6
The present study has been done to evaluate the impact of pure ash stand and mixed stand with beech on the herb layer
biodiversity and soil properties in the forests of Noor city. There is a unique s...
Selected results of the survey focused on the economic assessment of forest ecosystem services
forestry questionnaire survey recreational functions methods of valuation
2015/8/14
A survey was conducted in the Training Forest Enterprise called Masaryk Forest in Křtiny (TFE Křtiny)
in order to determine the extent of recreational use of the area, visitors’ travel cos...
An assessment of the applicability of dung count to estimate the wild boar population density in a forest environment
accumulation defecation distribution faeces
2015/5/5
Wild boar is a native species in the fauna of the Czech Republic. It is becoming a problematic game
species both in the Czech Republic and in other European countries due to its harmful impacts. So ...
Stakeholders’ preferences and the assessment of forest ecosystem services: a comparative analysis in Italy
ecosystem values environmental attitudes
2015/5/5
Values are qualities and beliefs orientating human actions and they change according to socio-economic
variables such as gender, culture, education and income.
Regional assessment of forest effect on watershed hydrology: Slovakia as a case study 405
watershed hydrology water-regulatory capacity of forest forest stand structure forest cover forest fragmentation
2015/4/24
Recently, the importance of forest effect on watershed hydrology has been increasingly recognized due to an elevated threat of floods and expected alterations of water regime in watersheds induced by ...
Estimation of leaf area index and assessment of its allometric equations in oak forests: Northern Zagros, Iran
allometric relationships destructive sampling leaf area index Quercus libani Oliv. specific leaf area
2015/4/14
The focus of the present study is the estimation of leaf area index (LAI) and the assessment of allometric equations for predicting the leaf area of Lebanon oaks (Quercus libani Oliv.) in Iran’s north...
An assessment of hucava mountain stream catchment susceptibility to flooding
flood catchment susceptibility Hucava GIS
2015/4/14
The paper deals with an assessment of the Hucava mountain stream catchment susceptibility to flooding. The model catchment of the Hucava mountain stream is located in the Polana Protected Landscape Ar...
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
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...