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Slope aspect and altitude effect on selected soil organic matter characteristics in Beskid Mountains forest soils

Open Access
|Sep 2021

Figures & Tables

Figure 1

Diagram of principal component analysis (PCA) with projection of organic horizon properties on a plane of the first and second factors (S, N – slope aspect; 600, 800, 1000, 1200 altitude a.s.l.)
Diagram of principal component analysis (PCA) with projection of organic horizon properties on a plane of the first and second factors (S, N – slope aspect; 600, 800, 1000, 1200 altitude a.s.l.)

Figure 2

Cluster analysis grouping the soils in altitude gradient (a.s.l.); carbon and nitrogen stocks (Cs and Ns) in soil were used in the design of the diagram
Cluster analysis grouping the soils in altitude gradient (a.s.l.); carbon and nitrogen stocks (Cs and Ns) in soil were used in the design of the diagram

Organic carbon and nitrogen stocks in soil of altitude gradient

Altitude (m a.s.l.)Slope aspectCsCDINsNDI
600N85.48±18.81abx0.56±0.30ax4.47±0.96ax0.48 ±0.26ax
S89.80±15.56ax0.84±0.40ax4.31±0.51ax0.91 ±0.60ax
800N97.37±26.74abx0.44±0.36ax5.78±1.45ax0.31±0.28 ax
S100.88±18.82ax0.48±0.27 ax4.72±1.21ax0.44±0.26 ax
1000N118.49±7.49ax0.55±0.33 ax6.93±0.37ax0.39±0.17 ax
S89.35±34.93ax0.71±0.39 ax4.72±1.59ax0.71±0.28 ax
1200N61.40±24.32cx0.51±0.36 ax3.98±2.29ax0.37 ±0.36 ax
S87.02±28.89ax2.01 ±1.53 by4.45±1.51ax1.22±0.57 by

Correlations between C, N and DH activity and testing variants of averages from both levels

C%N%DH
pH H2O–0.3674–0.3592–0.1612
pH KCl–0.3717–0.3914–0.0779
Ca0.85470.83680.0968
K0.91750.92670.1653
Mg0.93700.93260.1599
Na0.70040.73650.1566
Y0.93880.94150.1518
Hex0.55060.56760.0910

Summary of GLM analysis for the carbon stock (Cs) and nitrogen stock (Ns) in soil of altitude gradient

CsNs
FpFp
Slope aspect0.14070.70982.81170.0776
Altitude4.04440.01522.94730.0462
Slope aspect*Altitude1.83410.14662.16490.0955

Characteristics of study plots located in altitude gradient

Altitude (m.a.s.l.)SlopePlant communitySoil typeParent materialSpecies composition
60015–20oGalio-Piceetum-carpaticumCambisolsFlysch sandstone90% spruce 10% fir
80015–20oGalio-Piceetum-carpaticum90% spruce 10% fir
100015–20oGalio-Piceetum-carpaticum90% spruce 10% fir
120015–20oPlagiothecio-Piceetum100% spruce

Vegetation characteristics of Calamagrostio-Quercetum patches surveyed in central Poland

Altitude (m a.s.l.)Slope aspectHorizonpH H2OpH KClCNC/NCaKMgNaHexYDH
600NOfh3.56±0.13bx2.76±0.09ax28.05±1.43cx1.32±0.06abx21.28±0.97ax2.51±0.39ax0.65±0.13ax0.61±0.07cx0.11±0.03abx13.56±2.14ax87.80±3.52ax14.14±8.44ax
Mineral horizon3.74±0.13abx2.84±0.13abx3.63±1.25ax0.20±0.06ax18.31±1.72ax0.45±0.14bx0.14±0.04ax0.13±0.04ax0.05±0.01ax12.01±4.20ax25.62±7.54ax4.12±1.53abx
SOfh3.50±0.01ax2.62±0.04ay29.91±3.39ax1.42±0.16ax21.12±0.59ax2.76±0.35ax0.62±0.19ax0.60±0.08ax0.12±0.02ax12.04±2.19abx96.60±26.97ay8.59±0.35ax
Mineral horizon3.52±0.04ay2.72±0.11ay3.17±0.44ax0.15±0.04ax21.57±4.52ax0.35±0.06ax0.08±0.01ay0.09±0.01ax0.04±0.00ax7.09±1.22ay20.08±4.37ax7.14±0.92ax
800NOfh3.52±0.36abcx2.84±0.30ax32.01±4.63abcx1.36±0.25abx23.74±2.31ax4.78±4.10bx0.69±0.27ax0.77±0.26abcx0.09±0.03abx9.45±3.28ax91.92±20.08ax5.85±4.78ax
Mineral horizon3.70±0.12abx3.04±0.17abx4.92±2.13ax0.31±0.12ax15.46±1.85ax0.48±0.33abx0.15±0.05ax0.17±0.06ax0.04±0.02ax9.43±1.90ax27.92±7.95ax10.68±4.14abx
SOfh3.48±0.08ax2.72±0.08ay33.58±5.85ax1.42±0.17ax23.53±2.08ax4.74±1.89ax0.64±0.11ax0.90±0.25ax0.10±0.04ax10.71±1.75bx102.20±13.72ay5.24±1.87abx
Mineral horizon3.54±0.11ay2.86±0.15ay5.50±1.04ax0.27±0.08ax21.25±3.66ax0.39±0.18ax0.12±0.03ay0.15±0.05ax0.04±0.02ax10.84±3.84ay31.42±8.15ax9.36±4.18ax
1000NOfh3.26±0.17cx2.68±0.08ax26.71±2.58bx1.25±0.10bx21.45±2.07ax2.02±0.87bx0.61±0.09ax0.59±0.13bx0.07±0.02bx13.48±2.81ax86.46±7.15ax9.98±7.32ax
Mineral horizon3.56±0.09bx2.76±0.05bx5.83±0.81ax0.38±0.05ax15.27±1.06ax0.35±0.11abx0.16±0.02ax0.17±0.04ax0.03±0.01ax11.51±2.51ax30.84±4.12ax6.70±2.29abx
SOfh3.38±0.13ax2.60±0.07ay32.57±5.05ax1.45±0.09ax22.50±2.81ax2.81±0.77ax0.65±0.12ax0.65±0.15ax0.12±0.07ax12.38±1.19abx102.76±10.46ay7.83±3.51abx
mineral horizon3.52±0.15ay2.70±0.12ay3.96±2.60ax0.22±0.09ax17.35±7.80ax0.31±0.04ax0.12±0.05ay0.12±0.05ax0.04±0.02ax9.35±4.96ay26.20±12.21ax4.63±2.65ax
1200NOfh3.72±0.04ax2.88±0.13ax38.27±2.28ax1.61±0.12ax23.85±1.57ax2.91±1.16ax1.15±0.17ax1.42±0.49ax0.15±0.05ax13.20±0.74ax101.86±9.95ax7.13±5.36ax
Mineral horizon4.02±0.38ax3.14±0.32ax3.24±1.60ax0.24±0.16ax15.65±3.96ax0.15±0.07ax0.09±0.05ax0.10±0.07ax0.03±0.01ax7.48±3.26ax20.12±10.29ax2.40±1.56ax
SOfh3.40±0.12ax2.60±0.12ay30.41±2.03ax1.38±0.20ax22.33±2.24ax2.14±1.03ax0.57±0.09ax0.70±0.15ax0.09±0.02ax15.39±0.83ax111.38±15.07ay2.38±3.56bx
Mineral horizon3.68±0.29ay2.96±0.17ay3.03±1.52ax0.18±0.18ax15.68±3.22ax0.27±0.14ax0.07±0.02ay0.11±0.03ax0.04±0.01ax5.55±1.95ay18.60±7.83ax4.13±2.43ax
DOI: https://doi.org/10.2478/ffp-2021-0022 | Journal eISSN: 2199-5907 | Journal ISSN: 0071-6677
Language: English
Page range: 214 - 224
Submitted on: Jan 9, 2021
Accepted on: Apr 16, 2021
Published on: Sep 19, 2021
Published by: Forest Research Institute
In partnership with: Paradigm Publishing Services
Publication frequency: 4 times per year

© 2021 Karolina Staszel, Ewa Błońska, Jarosław Lasota, published by Forest Research Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.