Vertical pit-mounds distribution of uprooted Norway spruce (Picea abies L.): field evidence in the upper mountain belt
Pawel Zadrozny (1), Wiktor Halecki (2-3) , Michal Gasiorek (1), Pawel Nicia (1), Tomasz Lamorski (4)
iForest - Biogeosciences and Forestry, Volume 10, Issue 5, Pages 783-787 (2017)
doi: https://doi.org/10.3832/ifor1959-010
Published: Sep 02, 2017 - Copyright © 2017 SISEF
Short Communications
Abstract
Tree uprooting causes significant changes in forest habitat functioning and soil formation. In this paper soil uplifted by tree throws was compared among 15 study plots from heterogeneous Norway spruce stands of the upper mountain belt in southern Poland. Pit-mound microtopography parameters such as length, width, depth of tree-throw pits, height of the root plate, and height of mineral and organic mounds, were measured at each uprooting site. Sites were grouped in 3 age groups based on the time elapsed since uprooting. Results showed significant differences between the studied parameters among age groups. Differences were most pronounced in mean pit depth (0.52, 0.65 and 0.95 m for 5-year, 3-year, and 1-year-old pits, respectively). No significant interaction between age group and root plate height was detected by ANOVA. Regression analysis showed that pit depth decreases as root plate height increases. Redundancy analysis using pit-mound parameters as dependent variables revealed that root plate height along with slope steepness are good predictors of the volume of dislocated soil at tree-throw sites. Overall, our results suggest that the erosion expected at uprooting sites in mountain Norway spruce stands could be conveniently estimated by measuring their root plates. This may help estimate the impact of windthrow on soil microtopography and quantify its effects on soil disturbance in Norway spruce stands of the upper mountain belt.
Keywords
Bioturbation, Mountain Landscapes, Microtopography, Soil Disturbance, Tree Uprooting
Authors’ Info
Authors’ address
Michal Gasiorek
Pawel Nicia
Department of Soil Science and Soil Protection, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Kraków (Poland)
Department of Land Reclamation and Environmental Development, University of Agriculture in Krakow, Al. Mickiewicza 24/28, 30-059, Kraków (Poland)
Department of Biometry and Forest Productivity, Faculty of Forestry, University of Agriculture in Krakow, Al. 29 Listopada 46, 31-425 Krakow (Poland)
Babia Góra National Park, 34-223 Zawoja 1403 (Poland)
Corresponding author
Paper Info
Citation
Zadrozny P, Halecki W, Gasiorek M, Nicia P, Lamorski T (2017). Vertical pit-mounds distribution of uprooted Norway spruce (Picea abies L.): field evidence in the upper mountain belt. iForest 10: 783-787. - doi: 10.3832/ifor1959-010
Academic Editor
Matteo Garbarino
Paper history
Received: Dec 19, 2015
Accepted: Sep 01, 2017
First online: Sep 02, 2017
Publication Date: Oct 31, 2017
Publication Time: 0.03 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2017
Open Access
This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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