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以榆树１～２ａ生枝条为研究材料，以榆树总黄酮粗提物得率为指标，在单因素试验基础上，通过响应面法优化榆树总黄酮闪式提取工艺，并比较不同采收季节榆树１～２ａ生枝条中的总黄酮含量，结果表明：榆树总黄酮提取最佳工艺条件为浸泡温度４０℃、料液比１∶６０（ｇ／ｍＬ）、乙醇浓度５０％、闪提时间１ｍｉｎ和闪提次数４次；不同采收季节榆树总黄酮含量存在差异，由大到小依次为夏季、秋季、春季；在上述最佳提取条件下以夏季１...
Evaluation of the provenance plot “Hrubá Skála” (Northern Bohemia) with grand fir at the age of 36 years
Abies grandis growth qualitative traits quantitative traits IUFRO
2017/4/6
The article aims to evaluate the research provenance plot established in 1980 in locality No. 214 – Hrubá Skála (in the north of the Czech Republic), where nine provenances of grand fir (Abies grandis...
中国林学会林下经济分会
中国林学会 林下经济分会 林业经济
2022/6/6
林下经济是近年来崛起的朝阳产业和新兴产业，在调整农村产业结构、增加农民收入、促进生态建设、推动绿色发展等方面显现出强大的生命力，引发了科技工作者和各方关注。为加强林下经济学术交流，深化林下经济理论研究，推广林下经济典型模式和经验，促进生态林业和民生林业发展，2014年，经中国林学会常务理事会研究同意，中国林学会成立了林下经济分会，分会秘书处设在中国林学会学术部。分会现有委员170名。中国科学院李文...
Economic evaluation of the recreational use of forests:A case study of the Training Forest Enterprise Masaryk Forest Krtiny
economics forestry questionnaire survey recreational function methods of valuation willingness to pay
2016/10/14
The objective of the article is to evaluate the results of a questionnaire survey carried out in forest districts of the Training Forest Enterprise Masaryk Forest Křtiny (TFE Křtiny) within ...
Investigation of wood production and trading in Iran
Iranian forest sector timber market analysis correlation regression
2016/10/14
The relation between wood export and import of Iran and a number of major macroeconomic variables, such as oil price, gross domestic production, population, exchange rate, unemployment rate, inflation...
Quantification of the utility value of the recreational function of forests from the aspect of valuation practice
economics forestry valuation method economic value recreation servitude
2016/9/2
The article is focused on quantification of the utility value of the recreational function of forests from the aspect of valuation practice. The aim of the article is a description of a methodical pro...
Provision of ecosystem services in mountain forests–case study of experts’and stakeholders’perceptions from Slovakia
ARANGE project Western Carpathians context analysis participation societal demands
2016/9/2
Forests in the mountain ranges are supposed to meet multiple objectives at the same time. There are different expectations and priorities among stakeholder groups. The object of the research is the ca...
Quantification of the influence of the Training Forest Enterprise Masaryk Forest Křtiny on the local economy of the region
economics local multiplier local expenditure management
2016/7/6
The aim of this paper is to present the results of research aimed at identifying the benefits of the forest enterprise for the local economy through calculation of the local multiplier score. The pape...
Determining an optimal path for forest road construction using Dijkstra’s algorithm
selecting path nodes links Nahar Khvoran forest
2016/7/6
From an economic point of view a well-designed road path with the minimum construction cost is an optimal path that can be found using Dijkstra’s algorithm. In this study Dijkstra’s algorithm that con...
Application of the Economic Value Added index in the performance evaluation of forest enterprise
cost of capital net present value
2016/6/3
The paper aims at pointing to possibilities of using the Economic Value Added index in evaluating the forest enterprise performance. The given index ranks among the indices of fourth-generation evalua...
Assessing economic pressure on the forest fund of Maramureș County – Romania
deforested areas forested areas forestry economics territorial management territorial systems
2016/5/11
Romania is also included among the European Union countries where deforested areas have radically increased in recent years, with mountain areas being the most affected. The pressure on the forest fun...
The assessment of forestry companies in the Czech Republic with focus on profitability
financial analysis financial ratios comparison median
2016/4/6
The paper deals with the evaluation of economy of forestry companies. The evaluation stems from the results of economic analyses of enterprises that are further monitored in the context of forestry an...
The assessment of economic indicators of National Park Administrations
economics financial analysis correlation coefficient
2016/3/2
In the territory of the Czech Republic there are four national parks managed by their administrators. National parks are areas designed for the protection of nature and landscape, or biodiversity, i.e...
Contrasting growth and water use efficiency after thinning in mixed Abies pinsapo–Pinus pinaster–Pinus sylvestris forests
basal area increment carbon isotopes dendroecology
2016/3/2
Foresters frequently lack sufficient information about thinning intensity effects to optimize semi-natural forest management and their effects and interaction with climate are still poorly understood....
Needs of the local population related to development of forests for recreational purposes: example of south-eastern Poland
forest recreation forest use Podkarpacie
2016/1/29
Independent assessments of the local community’s needs for recreational development of forests provide important information for forestry and forest administrations. The study was designed to identify...