Wpływ zrywki drewna z użyciem ciągników typu skider na uszkodzenia gleby w górskich drzewostanach jodłowo-bukowych

Dariusz Kulak , Arkadiusz Stańczykiewicz , Grzegorz Szewczyk , Paweł Kobiałka

Abstract

The aim of the study was to identify the size and characteristics of upper soil layer disturbances of mountain stands during skidding in variable tree age classes. Sample plots were located in three stands of the Krosno Regional Directorate of State Forests, where early thinning, late thinning and IVd final cutting systems were carried out. Timber harvesting was performed by manual-machine technology and skidding – by means of LKT 80 farm tractor. After intervention, 50 × 50 m sample plots were set up in the stand, which were additionally divided into smaller measurement plots (10 × 10 m). Next, the furrows and ruts on the plots were measured. The assessment of upper layer soil disturbances due to harvesting was carried out by means of, among others, a synthetic index of upper soil layer disturbance (formula 1). The disturbance of the upper soil layer turned out to be small. Depending on the category of utilisation, the disturbances varied from 2.5-3.8% of the cutting area (Fig. 3). Statistical analysis of Ug index values (Fig. 5) showed that the type of intervention did not influence the size of soil disturbances observed. In mature stands (Fig. 8) and early thinning (Fig. 6) an increased amount of disturbance was observed near the skidding route.
Author Dariusz Kulak (FoF / IoFUaFT)
Dariusz Kulak,,
- Institute of Forest Utilization and Forest Technology
, Arkadiusz Stańczykiewicz (FoF / IoFUaFT)
Arkadiusz Stańczykiewicz,,
- Institute of Forest Utilization and Forest Technology
, Grzegorz Szewczyk (FoF / IoFUaFT)
Grzegorz Szewczyk,,
- Institute of Forest Utilization and Forest Technology
, Paweł Kobiałka
Paweł Kobiałka,,
-
Journal seriesForestry Letters, ISSN 0079-4708, (B 5 pkt)
Issue year2013
Vol105
Pages35-46
Publication size in sheets0.55
Keywords in Englishharvesting damage, mountain forests, skidding
URL http://www.forestryletters.pl/index.php/forestryletters/article/view/31/30
Languagepl polski
Score (nominal)5
Score sourcejournalList
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