| Title: | Causes and consequences of large-scale windthrow on the development of fir-beech forests in the Dinaric mountains |
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| Authors: | ID Čater, Matjaž (Author)
ID Alagić, Ajša (Author)
ID Ferlan, Mitja (Author)
ID Jevšenak, Jernej (Author)
ID Marinšek, Aleksander (Author) |
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| Files: |  URL - Source URL, visit https://doi.org/10.20315/ASetL.130.2
 PDF - Presentation file, download (2,26 MB)
MD5: B44D0A6CCE5D97A9C436D9259E4F4BF8
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| Language: | English |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: |  SciVie - Slovenian Forestry Institute
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| Abstract: | We investigated several aspects of windthrow that are relevant to our understanding and management of forest ecosystems. As an example, we used an extreme event in December 2017, when the strongest storm in recent history occurred in the Slovenian Dinaric High Karst. We examined influential factors such as soil properties, wind speed, precipitation and ecological consequences for the affected forests. Soil properties were measured around standing and fallen silver fir trees at all three research sites. Tree species composition in the regeneration was observed on plots with chemical and acoustic ungulate deterrents and on control plots without deterrents. Economic estimates of yield loss due to damage were calculated at the national level. A model of the potential threat from windthrow was also developed based on data collected from windthrow events and meteorological data over the past 20 years. Our results indicate that soil depth and mineral fraction depth were similar at sites with and without damaged trees and were not the determining factors for tree toppling. Plots with acoustic deterrents showed the most effective regeneration development, the least decline in silver fir and the greatest increase in noble hardwood seedlings, while plots with chemical deterrents showed the least browsing damage. The estimated economic loss of €16.1 million is 6.6% less than the harvest under normal conditions. The economic loss was relatively low due to the nature of the storm, with the predominant type of damage being uprooted trees with no damaged trunks. The windthrow hazard model revealed that a large number of consecutive events with strong winds in each section weakened the stand, which was subsequently knocked down during the next extreme wind and rainfall event. |
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| Keywords: | natural forest regeneration, windthrow, economic loss, browsing, ungulate deterrents, forest soil properties, potential threat model |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Publication date: | 01.01.2023 |
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| Year of publishing: | 2023 |
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| Number of pages: | str. 17-32 |
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| Numbering: | Vol. 130 |
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| PID: | 20.500.12556/DiRROS-16664  |
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| UDC: | 630*22+630*18:630*42(234.422.1)(045)=111 |
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| ISSN on article: | 2335-3112 |
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| DOI: | 10.20315/ASetL.130.2 |
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| COBISS.SI-ID: | 156927235 |
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| Publication date in DiRROS: | 27.06.2023 |
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| Views: | 1971 |
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| Downloads: | 836 |
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| Metadata: |    |
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