Forest technology and timber harvesting

Forest technology and timber harvesting

Forest management must also pay off: that is why apart from adequate work planning modern forest techniques and optimal harvesting procedures must also be available. Machine comparisons and field trials make the choice easier. However, work safety and soil protection must not be neglected.

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Side slope stabilisation on unstable ground

The construction of forest tracks can be a real challenge if the underlying soil is very soft. If this is the case, geogrids can be used to stabilise the side slopes.

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Productivity models for wood harvesting operations

The productivity model HeProMo allows to estimate productivity and costs of different harvesting operations.

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What are the benefits of half-loading vehicles during timber extraction?

The Swiss Federal Institute for Forest, Snow and Landscape Research WSL tested whether it would be less damaging to the soil in logging trails if vehicles were only loaded to half-capacity during timber extraction. (5)
Take care of the soil

Forest soils are made up of solid substances and pores. This can be impaired or destroyed through inappropriate utilization of forestry vehicles. Factors involving the machines as well as organization should be taken into consideration. (13)
Forestry Equipment and machinery database

The BFW forestry equipment and machinery database contains data from approximately 750 forestry machinery and equipment and allows the calculation of the cost of the equipment and machinery involved in a timber supply chain. (17)
16.04.2013 The Flying Saw
The Flying Saw

Trimming overhead cables by helicopter in steep terrain: the vertical tree saw can be employed not only where it would be time and cost intensive to free overhead power cables, but also where it would be dangerous to do so by hand. (23)
Mechanised Timber Harvesting on Steep Slopes

Harvesting and timber transportation are the most important cost factors in the logistic chain from forest to factory. There is potential here for an increase in efficiency. Using four examples this article will show how mechanised timber harvesting methods on steep slopes can be optimally used.

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Soil microorganisms as indicators for heavily compacted wheel tracks

Soil microorganisms are good indicators for mechanical pressure on soil, because they register the effects on the spot. They can, for example, be used as indicators for heavily compacted wheel tracks.

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Beware of caterpillars with urticating hairs

Some species of caterpillars have urticating hairs which can cause extreme itching, skin irritations and damage to eyes and the respiratory system. Therefore care must be taken during work being carried out along the edge of forests, on embankments or whilst tending trees.

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Harvesting Methods for Windthrown Timber

Which harvesting method is most suitable when coping with storm damages? Depending on conditions and availability of machines different combinations are possible.

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Heading image: Thomas Reich