Acta Scientiarum Polonorum
Silvarum Colendarum Ratio et Industria Lignaria

ISSN:1644-0722, e-ISSN:2450-7997

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original articleIssue 18 (2) 2019 pp.

Leszek Bujoczek1, Aleksandra Szewczyk1,3, Robert Zygmunt1, Małgorzata Bujoczek2, Stanisław Zięba1, Jan Banaś1, Anna Kożuch1

1Uniwersytet Rolniczy im H. Kołłątaja w Krakowie, Wydział Leśny; Zakład Urządzania Lasu, Geomatyki i Ekonomiki Leśnictwa
2
Uniwersytet Rolniczy im H. Kołłątaja w Krakowie, Wydział Leśny, Zakład Bioróżnorodności Leśnej
3
Nadleśnictwo Krasnystaw

Snags, snapped and uprooted trees as elements of planning and harvesting in the Krasnystaw Forest District in the years 2006–2015

Abstract

Incidental fellings are harvesting treatments performed in the process of removing snapped and uprooted trees and snags. The paper analyzes data from the Krasnystaw Forest District (Lublin State Forests Regional Directorate) for the years 2006–2015. Planned and implemented incidental fellings were compared, and the results were sorted by tree species, timber class, and harvesting time (by quarter).

Incidental timber harvesting accounted for 0.8 to 19.2% of overall timber harvested (on average 8.1%). As many as 19 tree species were harvested. Timber harvesting was conducted as part of incidental final felling, incidental late thinning, and incidental early thinning. Pine and oak amounted to as much as 57% and 21% of the total timber volume. Medium-sized timber (with an upper diameter of 5 cm to 24 cm without bark) accounted for 3/4 of the total, with the rest being large-sized timber, mostly sawmill-grade of the lowest quality. Gradual transformation of tree stands to adjust the species composition to the site should reduce the magnitude of incidental fellings in the future. In addition, some dead trees, snags, and uprooted trees could be left for natural decomposition.

Keywords: incidental felling; forest management plan, disturbances, abiotic factors, biotic factors, wind-broken tree
pub/.pdf Full text available in english in Adobe Acrobat format:
https://www.forestry.actapol.net/issue2/volume/9_2_2019.pdf

https://doi.org/10.17306/J.AFW.2019.2.9

For citation:

MLA Bujoczek, Leszek, et al. "Posusz, złomy, wywroty jako elementy planowania i pozyskania w Nadleśnictwie Krasnystaw w latach 2006-2015 [Snags, snapped and uprooted trees as elements of planning and harvesting in the Krasnystaw Forest District in the years 2006–2015]." Acta Sci.Pol. Silv. 18.2 (2019): . https://doi.org/10.17306/J.AFW.2019.2.9
APA (2019). Posusz, złomy, wywroty jako elementy planowania i pozyskania w Nadleśnictwie Krasnystaw w latach 2006-2015 [Snags, snapped and uprooted trees as elements of planning and harvesting in the Krasnystaw Forest District in the years 2006–2015]. Acta Sci.Pol. Silv. 18 (2), https://doi.org/10.17306/J.AFW.2019.2.9
ISO 690 BUJOCZEK, Leszek, et al. Posusz, złomy, wywroty jako elementy planowania i pozyskania w Nadleśnictwie Krasnystaw w latach 2006-2015 [Snags, snapped and uprooted trees as elements of planning and harvesting in the Krasnystaw Forest District in the years 2006–2015]. Acta Sci.Pol. Silv., 2019, 18.2: . https://doi.org/10.17306/J.AFW.2019.2.9
Streszczenie w języku polskim:
https://www.forestry.actapol.net/tom18/zeszyt2/streszczenie-9.html