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Bitte verwenden Sie diesen Link, wenn Sie dieses Dokument zitieren oder verlinken wollen: https://nbn-resolving.org/urn:nbn:de:gbv:9-opus-59391

Timber Losses during Harvesting in Managed Shorea robusta Forests of Nepal

  • Logging and sawing of timber using conventional tools by unskilled workers causes enormous damage to the valuable timber, residual stand, regeneration, and forest soil in Nepal. The purpose of this study was to find out the volume reduction factor and identify major strategies to reduce timber losses in the tree harvesting process in the Terai Shorea robusta forest of Nepal. Field measurements and product flow analysis of 51 felled trees from felling coupes and randomly selected 167 sawed logs were examined to study harvesting losses. Responses from 116 forest experts were analyzed to explore strategies for reducing harvesting and processing losses. The results showed that timber losses in the felling and bucking stage with and without stem rot were 23% and 22%, respectively. Similarly, timber losses in the sawing stage with and without stem rot were 31% and 30%, respectively. Paired t-test at 5% level of significance revealed that there was significant loss in both tree felling and log sawing stages with present harvesting practice. The most leading factor contributing to timber loss in all of the three stages was the use of inappropriate equipment during tree harvesting. Use of synthetic ropes for directional felling and skidding as well as flexible and portable sawing machine with size adjustment options during sawing were mainly recommended as strategies to reduce timber losses. This study serves as a baseline study to identify and quantify timber losses in different stages of tree conversion and also formulate their reduction strategies in Nepal.

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Metadaten
Author: Upendra Aryal, Prem Raj Neupane, Bhawana Rijal, Michael Manthey
URN:urn:nbn:de:gbv:9-opus-59391
DOI:https://doi.org/10.3390/land11010067
ISSN:2073-445X
Parent Title (English):Land
Publisher:MDPI
Place of publication:Basel
Editor: Daniel S Mendham, Guillermo J. Martinez-Pastur
Document Type:Article
Language:English
Date of first Publication:2022/01/02
Release Date:2022/11/02
Tag:Terai; harvesting tools; reduction strategies; tree harvesting losses
GND Keyword:-
Volume:11
Issue:1
Article Number:67
Page Number:15
Faculties:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Botanik und Landschaftsökologie & Botanischer Garten
Licence (German):License LogoCreative Commons - Namensnennung