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Time consumption and productivity analysis of timber trucking using two kinds of trucks in northern Iran
Hyrcanian forest Iran secondary transportation productivity cost
2015/4/24
Increasing productivity and reducing cost in long-distance transportation have become increasingly important in the logistics of forest harvesting operations. This paper presents the research results ...
A comparative analysis of neck muscle tension in a harvester operator compared with chainsaw and horse skidding operator and with normal human activities
biometric data fatigue harvester equipment stress
2015/4/24
The goal of the experiment was to assess the physical stress experienced by an operator during the use of harvester equipment. Experimental data was obtained from field measurements with a Biofeedback...
Selection of European larch provenances based on productivity and economic values
growth production forest tree breeding
2015/4/24
Productivity of individual European larch provenances was evaluated on the basis of height and diameter growth and volume production at the age of 40 years. This work was focused on identifying differ...
Productivity and cost of farm tractor skidding
skidding operation continuous time study regression model forest system efficiency Iranian forest
2015/4/14
In this study, productivity rate and operation cost of farm tractor were evaluated in a mountainous natural forest. Data for the study came from a detailed time study in the Research and Educational F...
Relationship between forest road length and village development during three decades in Neka-Zalemrood forest
road length village development indices Neka-Zalemrood forest
2015/4/14
Forest roads are built to facilitate the transport of personnel and wood, and so to promote village development. In this study 18 development indices of village in relation to increasing forest road d...
Analysis of price changes of selected roundwood assortments in some Central Europe countries
timber prices timber market timber trade sawlog fuelwood energy wood
2015/4/14
The paper deals with the analysis of price changes of roundwood (spruce, fir and beech sawlog, fuelwood) and energy wood in Slovakia, Czech Republic and Austria during the period of 2008–+September 20...
Effect of log length on productivity and cost of Timberjack 450C skidder in the Hyrcanian forest in Iran
Hyrcanian forest skidding Timberjack 450C short-log method long-log method
2015/4/14
This paper presents research results on the performance of the Timberjack 450C skidder in timber skidding at two working sites of broadleaved trees in mountainous conditions in the Hyrcanian forest. T...
Changes in the threat of spruce stand disintegration in the Beskid Śląski and Żywiecki Mts. in the years 2007–2010
spruce stands degrees of reconstruction urgency inventory climate and vegetation zones Beskid Ś lą ski and Ż ywiecki Mts
2015/4/14
The present paper describes the dynamics of changes in spruce stand disintegration in the Beskid Śląski and Żywiecki Mts. on the basis of the results of inventory performed in 2010 as c...
Forest visitors' opinions on the importance of forest operations, forest functions and sources of their financing
Czech Republic forest functions forest operations importance sources of finance
2015/3/27
The survey was conducted in three selected areas of the Czech Republic in 2008, with the results processed in 2009. Forests visitors received inquiry forms (face to face interviews, random sample). Th...
Profitability and competitiveness of forestry in European countries
competitiveness of forestry contribution of forestry to GDP
2015/3/27
Competitiveness of the forest sector is a necessary prerequisite for the multiple benefits that sustainable forestry provides to society. There is no universal indicator of competitiveness. GDP of the...
Forest watershed runoff changes determined using the unit hydrograph method
forest watershed drainage runoff
2015/3/17
Unit hydrograph is a basic method to show changes in runoff in the watershed. The investigation of runoff changes was carried out in the U Dvou louček watershed situated at the summit part of the...
An economic aspect of conversion of Scots pine (Pinus sylvestris L.) stands in the Polish Lowland
Pinus sylvestris pine stands oak stands
2015/3/16
Pine stands at fertile sites need conversion into broadleaved or mixed forests. Yet, according to the age of stand, conversion may have different economic results. Therefore, in order to reduce costs ...
Estimating the sample size for fitting taper equations
sampling methods tree shape regression
2015/3/12
Much work has been done fitting taper equations to describe tree bole shapes, but few researchers have investigated how large the sample size should be. In this paper, a method that requires two varia...
Analysis of some dynamic series of forest production and trends of forest economics in the Czech Republic
economics of forest management dynamic (time) series trend
2015/3/6
Functions of wood production in forestry are historically determined by felling possibilities of forest resources. Revenues from timber sales create a financial space for silvicultural operations thus...
Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies
forestry development multifunctional land use environmental perception
2015/3/6
The present distribution of forests and the degree of their transformation by man are the results of natural factors and cultural development. The limit between forested areas and open spaces, as well...