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Title:Reconstruction of rockfall activity through dendrogeomorphology and a scar-counting approach : a study in a beech forest stand in the Trenta valley (Slovenian Alps)
Authors:ID Žabota, Barbara (Author)
ID Trappmann, Daniel (Author)
ID Levanič, Tom (Author)
ID Kobal, Milan (Author)
Files:.pdf PDF - Presentation file, download (1,02 MB)
MD5: A0FA7E3D84D8945FB8CC52AE0E8CBE9F
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo SciVie - Slovenian Forestry Institute
Abstract:Trees represent an important archive that can be used to reconstruct the spatial and temporal patterns of rockfall events. Rockfall impacts can be recorded in the form of anomalies in tree rings and impact scars on the tree stem. In this paper we demonstrate the use of an approach based on counting scars for reconstructing the frequency and spatial pattern of past rockfalls. The approach was applied by counting the visible scars on the stem surface of 52 European beech trees (Fagus sylvatica L.) in the area of the Trenta Valley, Slovenia. The average number of impacts per trees was 7, and the impacts were mostly classified as old, indicating reduced rockfall activity in recent years. The average recurrence interval was 31.8 years, which was reduced by 1.2 years by the application of the conditional impact probability. The spatial pattern of rockfall impacts shows that rockfall activity is higher in the middle part of the studied slope.
Keywords:rockfall, natural hazards, dendrogeomorphology, tree rings, stem scars, recurrence interval
Publication status:Published
Publication version:Author Accepted Manuscript
Year of publishing:2020
Number of pages:str. 19-32
Numbering:Vol. 121
PID:20.500.12556/DiRROS-11357 New window
UDC:630*38+630*58(497.4Trenta)(045)=111
ISSN on article:2335-3112
DOI:10.20315/ASetL.121.2 New window
COBISS.SI-ID:5652390 New window
Note:Besedilo v angl.;
Publication date in DiRROS:01.04.2020
Views:3895
Downloads:2987
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Record is a part of a journal

Title:Acta Silvae et Ligni
Publisher:Gozdarski inštitut Slovenije, založba Silva Slovenica, Biotehniška fakulteta, Oddelek za gozdarstvo in obnovljive gozdne vire, Biotehniška fakulteta, Oddelek za lesarstvo
ISSN:2335-3112
COBISS.SI-ID:266761216 New window

Licences

License:CC BY-SA 4.0, Creative Commons Attribution-ShareAlike 4.0 International
Link:http://creativecommons.org/licenses/by-sa/4.0/
Description:This Creative Commons license is very similar to the regular Attribution license, but requires the release of all derivative works under this same license.
Licensing start date:01.04.2020

Secondary language

Language:English
Title:Rekonstrukcija podorne aktivnosti z uporabo dendrogeomorfologije in metode štetja poškodb : primer bukovih gozdov v dolini Trente (Slovenske alpe)
Abstract:Drevesa so pomemben arhiv podatkov o preteklih dogodkih za rekonstrukcijo prostorske in časovne aktivnosti skalnih podorov, saj beležijo vplive skalnih podorov z anomalijami v rasti drevesnih branik ali prek vizualnih poškodb, vidnih na površju debel. V prispevku je predstavljena metodologija preučevanja skalnih podorov z analizo vidnih poškodb na deblu 52 dreves navadne bukve (Fagus sylvatica L.) na območju doline Trente v Sloveniji. Na podlagi analize smo ugotovili, da je povprečno število poškodb na posamezno drevo 7 ter da večinoma spadajo v kategorijo starih poškodb, kar kaže na manjšo aktivnost skalnih podorov v zadnjih letih. Povprečna povratna doba pojavljanja skalnih podorov je znašala 31,8 let; le-ta pa se skrajša za 1,2 leta, če upoštevamo pogojno verjetnost vpliva, da skale lahko zgrešijo drevesa. Prostorsko pojavljanje skalnih podorov kaže na večjo aktivnost v osrednjem delu preučevanega pobočja.
Keywords:skalni podori, naravne nevarnosti, dendrogeomorfologija, drevesne branike, poškodbe debla, povratna doba


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