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iForest - Biogeosciences and Forestry

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Modeling of time consumption for selective and situational precommercial thinning in mountain beech forest stands

Domen Arnič (1)   , Janez Krč (2), Jurij Diaci (2)

iForest - Biogeosciences and Forestry, Volume 14, Issue 2, Pages 137-143 (2021)
doi: https://doi.org/10.3832/ifor3556-014
Published: Mar 16, 2021 - Copyright © 2021 SISEF

Research Articles


Rationalization and optimization of work is becoming increasingly important in the European forestry sector. In this study a tool for modeling three different precommercial thinning approaches in young beech mountain stands was developed based on several field studies. The simulation examines three primary types of precommercial thinning: selective thinning and two types of situational thinning. We studied the impact of the number of candidates/crop trees and the impact of harvesting intensity on the structure and consumption of productive time. We found that in terms of costs situational precommercial thinning is more rational than selective precommercial thinning, that harvesting intensity has a significant impact on time consumption and that the number of candidates or crop trees has a significant impact on time consumption as well as on the relationships between main and auxiliary productive time. The modeling has shown that situational thinning is an alternative to selective thinning and that, in addition to requiring smaller and more efficient harvesting machines, it offers a cost-effective and ergonomic option (more walking, less chainsaw operation) for the pre-commercial thinning of young forest.

  Keywords


Precommercial Thinning, Selective Thinning, Situational Thinning, Modeling, Crop Tree

Authors’ address

(1)
Domen Arnič
Slovenian Forestry Institute, Department of Forest Technique and Economics, Večna pot 2, SI-1000 Ljubljana (Slovenia)
(2)
Janez Krč 0000-0001-6561-6373
Jurij Diaci 0000-0002-0991-5309
Department of Forestry and Renewable Forest Resources, Biotechnical Faculty, University of Ljubljana. Večna pot 83, Ljubljana 1000 (Slovenia)

Corresponding author

 
Domen Arnič
domen.arnic@gozdis.si

Citation

Arnič D, Krč J, Diaci J (2021). Modeling of time consumption for selective and situational precommercial thinning in mountain beech forest stands. iForest 14: 137-143. - doi: 10.3832/ifor3556-014

Academic Editor

Andrea Cutini

Paper history

Received: Jun 18, 2020
Accepted: Jan 16, 2021

First online: Mar 16, 2021
Publication Date: Apr 30, 2021
Publication Time: 1.97 months

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