Journal
FORESTS
Volume 13, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/f13020350
Keywords
windstorm; windfall; post-disturbance; forest management; wood harvesting; productivity models; cable yarder; forwarder
Categories
Funding
- Federal Ministry of Agriculture, Regions and Tourism, ecoforst GmbH
- FHP Kooperationsplattform Forst Holz Papier, Konrad Forsttechnik GmbH
- MM Forsttechnik GmbH [101470]
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Digitization can enhance efficiency and reduce environmental impact in the forest industry. This study focuses on windthrow processing and uses models to plan timber harvesting capacity. The time required for each harvesting system in specific areas was calculated, with the most productive system being cable yarder and harvester-forwarder.
Digitization can help the forest industry to improve cost efficiency and to reduce possible environmental impacts. In the context of this study, models were implemented using the example of windthrow processing, which enables a capacity planning for carrying out timber harvesting. For capacity planning, it is necessary to estimate the time required by the harvesting systems. For this purpose, existing productivity models were analyzed, the models were validated and adjusted, and the time required for each harvesting system and calamity area was calculated using stand and terrain parameters. Depending on the scenario and the preferred harvesting system, the time for harvesting the timber in an almost 200-hectare windthrow area in a case study region in Carinthia (Austria) varied. The harvesting with cable yarder and tractor takes about 26,000 machine hours and 86,000 man-hours. Harvesting operations with cable yarder and harvester-forwarder has proven to be the most productive with a duration of around 20,000 machine hours and 70,000 man-hours. Depending on the scenario, in windthrow areas, forest workers are needed for 28 to 42 min to fell, delimb, buck and extract 1 m(3) of timber to the forest landing.
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