Template-Type: ReDIF-Article 1.0
Author-Name: Martin Kubov
Author-Workplace-Name: Department of Integrated Forest and Landscape Protection, Faculty of Forestry, Technical University in Zvolen, Zvolen, Slovakia
Author-Workplace-Name: Institute of Forest Ecology, Slovak Academy of Sciences, Zvolen, Slovakia
Author-Name: Rastislav Janík
Author-Workplace-Name: Institute of Forest Ecology, Slovak Academy of Sciences, Zvolen, Slovakia
Author-Name: Jakub Tomes
Author-Workplace-Name: Department of Integrated Forest and Landscape Protection, Faculty of Forestry, Technical University in Zvolen, Zvolen, Slovakia
Author-Name: Branislav Schieber
Author-Workplace-Name: Institute of Forest Ecology, Slovak Academy of Sciences, Zvolen, Slovakia
Title: Nutrient content in biomass of bilberry (Vaccinium myrtillus L.) in different habitats of protected areas of Inner Western Carpathians
Abstract: The primary objective of this paper was to compare the nutrient content (N, Ca, S, K, P, Mg) of bilberry biomass, both aboveground and underground, growing in different habitats along the altitudinal gradient. The research was conducted in protected areas of the High Tatras National Park (Slovakia). Two different habitats subjected to study, namely spruce forest stands affected by disturbances (D - disturbed forest stands) and stands unaffected by disturbances (U - undisturbed forest stands), were located at different altitudes: 1 100 m a.s.l., 1 250 m a.s.l., and 1 400 m a.s.l. We found significant differences in the soil nutrient content along the altitudinal gradient. The highest content of nutrients was detected mostly at the highest altitudes in both habitats. The minimum reached 0.01 g.kg-1 (phosphorus), while the maximum was 8.33 g.kg-1 (nitrogen). In the case of the bilberry biomass, we found statistically non-significant differences in the content of nutrients among the altitudes within both habitats (D vs. U). The principal component analysis (PCA) showed that the aboveground biomass of bilberry had a significantly higher nutrient content compared to the underground biomass. Nutrient content in aboveground and underground biomass ranged from 1.00 g.kg-1 (phosphorus) to 13.49 g.kg-1 (nitrogen) and from 0.38 g.kg-1 (magnesium) to 7.55 g.kg-1 (nitrogen), respectively. The biological absorption coefficient (element content in dry biomass/element content in soil) reached the highest values mostly at the lowest altitude for both aboveground and underground biomass.
Keywords: disturbances, High Tatras, soil, spruce forest
Journal: Journal of Forest Science
Pages: 161-175
Volume: 70
Issue: 4
Year: 2024
DOI: 10.17221/110/2023-JFS
File-URL: http://jfs.agriculturejournals.cz/doi/10.17221/110/2023-JFS.html
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Template-Type: ReDIF-Article 1.0
Author-Name: Jiří Lehejček
Author-Workplace-Name: Department of Environmental Security, Faculty of Logistics and Crisis Management, Tomas Bata University in Zlín, Uherské Hradiště, Czech Republic
Author-Name: Matěj Roman
Author-Workplace-Name: Centre for Glaciology, Department of Geography and Earth Sciences, Aberystwyth University, Aberystwyth, United Kingdom
Author-Workplace-Name: Polar-Geo-Lab, Department of Geography, Faculty of Science, Masaryk University in Brno, Brno, Czech Republic
Author-Name: Martin Lexa
Author-Workplace-Name: Department of Wood Processing and Biomaterials, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic
Author-Name: Paul Eric Aspholm
Author-Workplace-Name: NIBIO - Norwegian Institute of Bioeconomy Research, Svanvik, Norway
Author-Name: Jiří Mašek
Author-Workplace-Name: Department of Physical Geography and Geoecology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
Title: Old Juniper Troll stand - The oldest shrub population from Scandinavia
Abstract: Old plant communities are of utmost importance for nature conservation, carbon sequestration, as well as gene pool maintenance. Shrub populations occurring in extreme environments beyond abiotic tree-lines provide diverse ecosystem services and have potential as proxy archives because they often inhabit areas with scarce and short instrumental records. We provide dendrochronological insight into one such population made up of prostrate Juniperus communis shrubs in the northern Scandinavian tundra (Norway), growing on a competition-free boulder field. We dated and provided a growth chronology of the oldest living shrub population (190 ± 148 years) from Scandinavia with the oldest individual being 683 years old. This is a conservative estimate, as shrubs in extreme environments do not form even a single row of cells in some years. The cross-dating issues of poorly growing shrubs do not fully allow to rely on climate sensitivity of the juniper population studied, although the species' potential for dendroclimatological reconstructions is generally considered high, also because the common juniper is an abundant woody species distributed globally. Old populations present an important gene source in plant recruitment, particularly in the context of the present environmental change.
Keywords: abiotic tree-line, dendrochronology, Juniperus communis, longevity, Sø, r-Varanger, wood anatomy
Journal: Journal of Forest Science
Pages: 176-184
Volume: 70
Issue: 4
Year: 2024
DOI: 10.17221/118/2023-JFS
File-URL: http://jfs.agriculturejournals.cz/doi/10.17221/118/2023-JFS.html
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Template-Type: ReDIF-Article 1.0
Author-Name: Tamás Ábri
Author-Workplace-Name: Department of Plantation Forestry, Forest Research Institute, University of Sopron, Sopron, Hungary
Author-Name: Dániel Gaganetz
Author-Workplace-Name: Institute of Crop Sciences, University of Debrecen, Debrecen, Hungary
Author-Name: József Csajbók
Author-Workplace-Name: Institute of Crop Sciences, University of Debrecen, Debrecen, Hungary
Title: Light response curve analysis of juvenile black locust clones: A case study from eastern Hungary
Abstract: Assimilation (A) and photosystem II (PSII) efficiency value light response curves [A/PPFD and PSII/PPFD curves (PPFD - photosynthetic photon flux density)] of promising black locust clones (NK2 and PL251) and the registered Üllői clone were analysed to study the net assimilation rates and PSII efficiency within the function of PPFD levels. The natural logarithmic regression functions fitted well to the measured data points for A/PPFD, R2 values varied between 0.9515-0.9884. For PSII/PPFD values, we used the exponential regression function with R2 ranging from 0.9948 to 0.9989. Except for PL251, the A/PPFD curves of the tested clones increased steadily with increasing illumination levels but flattened at the 600 µmol.m-2.s-1 PPFD level due to the effect of photorespiration on the assimilation rate. For PL251, the A/PPFD curve decreased at the 1 200 µmol.m-2.s-1 PPFD level. Unlike A/PPFD results, the PSII/PPFD exponential curve decreased as the PPFD level increased. Europe is forecast to experience significant negative climate change factors, including increased drought, heat, and irregular precipitation. Under such conditions, relatively drought-tolerant tree species such as black locust will play a vital role in new afforestation and uninterrupted wood supply. Consequently, growing and improving newly bred black locust clones, including the ecophysiological studies of relatively drought-tolerant clones, is increasingly vital.
Keywords: assimilation, drought tolerance, ecophysiology, photosystem II
Journal: Journal of Forest Science
Pages: 202-207
Volume: 70
Issue: 4
Year: 2024
DOI: 10.17221/120/2023-JFS
File-URL: http://jfs.agriculturejournals.cz/doi/10.17221/120/2023-JFS.html
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Template-Type: ReDIF-Article 1.0
Author-Name: Gabriela Tomášová
Author-Workplace-Name: Department of Geology and Soil Science, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Author-Name: Tomáš Vichta
Author-Workplace-Name: Department of Geology and Soil Science, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Author-Name: Nikola Žižlavská
Author-Workplace-Name: Department of Forest Management and Applied Geoinformatics, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Author-Name: Jan Deutscher
Author-Workplace-Name: Department of Landscape Management, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Author-Name: Ondřej Hemr
Author-Workplace-Name: Department of Landscape Management, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Author-Name: Martina Brychtová
Author-Workplace-Name: Department of Landscape Management, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Author-Name: Lenka Pavlů
Author-Workplace-Name: Department of Soil Science and Soil Protection, Czech University of Life Sciences Prague, Prague, Czech Republic
Author-Name: Aleš Bajer
Author-Workplace-Name: Department of Geology and Soil Science, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Title: Effects of slope and tree position on soil properties in a temperate deciduous forest
Abstract: This paper examines changes in soil physical and chemical properties in relation to tree proximity on different slopes. Topsoil and subsoil were sampled at 12 research plots on four slope types, the soil pits being placed at the base of a tree (near tree, NT) and between the test tree and an adjacent tree (between trees, BT). We observed a significant decrease in vertical topsoil response to slope on lower, middle and upper slopes, and a decrease in fine roots (R < 2 mm) on flat ground. Overall, middle and lower slopes showed the highest similarity, and upper slopes and flat ground the least, with the greatest subsoil changes observed mainly on middle slopes and least on lower slopes. There was clear topographic dependence between subsoil water stable aggregates (WSA) and C dynamics, with BT total carbon (Ctot) higher on flat ground and lower on middle slopes; unlike topsoil, where the strongest WSA correlation was with distance from the tree. The highest N : OM (organic matter) ratios occurred on middle slopes facing north-west, and lowest on lower slopes facing north and flat ground. Our findings confirm the influence of slope type on soil characteristics, with NT soil supporting soil formation by transporting water to deeper layers, especially on slopes > 5°. These observations contribute to a better understanding of the dependence of soil properties on slope type and tree position when planning sustainable forest management.
Keywords: forest watershed, hydrological regime, soil chemical properties, soil physical properties, temperate forest, tree distance
Journal: Journal of Forest Science
Pages: 185-201
Volume: 70
Issue: 4
Year: 2024
DOI: 10.17221/117/2023-JFS
File-URL: http://jfs.agriculturejournals.cz/doi/10.17221/117/2023-JFS.html
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