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Title:Osutost drevesnih krošenj v Sloveniji po letu 1991 s poudarkom na letu 2024
Authors:ID Pintar, Anže Martin (Author)
ID Höfferle, Pia (Author)
Files:.pdf PDF - Presentation file, download (793,88 KB)
MD5: B65B51AA36DEB69E59D2543D68CFED29
 
Language:Slovenian
Typology:1.01 - Original Scientific Article
Organization:Logo ZGDS - Association of Forestry Societies of Slovenia
Abstract:Več kot 30-letno vsakoletno spremljanje osutosti dreves na istih ploskvah Raven I v okviru programa ICP Forests omogoča dragocen vpogled v dolgo časovno vrsto spremljanja vitalnosti drevesnih vrst, ki je še posebno aktualno v času podnebnih sprememb, ko so ekstremni vremenski dogodki vse pogostejši. V pričujočem prispevku predstavljamo rezultate spremljanja stanja osutosti drevesnih krošenj na ploskvah Ravni I v obdobju 1991–2024 v Sloveniji, s poudarkom na zadnjem letu meritev – v letu 2024. Od leta 1991 se je povprečna osutost povečala za 14,2 % (s 16,6 % na 30,8 %). V letu 2024 je povprečna osutost iglavcev znašala 31,5 %, pri listavcih pa 30,3 %. Časovna vrsta povprečne osutosti drevesnih krošenj za več kot 30-letno obdobje kaže, da se je v obdobju 1991–2000 stanje osutosti krošenj slabšalo, med letoma 2000 in 2013 pa je bilo razmeroma stabilno. Na začetku obdobja 2014–2020 smo zaznali veliko povečanje osutosti drevesnih krošenj (2,2 %) zaradi žleda leta 2014, sledilo pa je umirjanje negativnega trenda poslabševanja stanja, tj. povečevanja osutosti. Veliko povečanje osutosti (za 3,8 %) smo ponovno zaznali med letoma 2020 in 2022, na kar je vplivala poletna suša v letu 2022, vplivale pa so tudi različne ujme, kot so vetrolomi in gradacije podlubnikov. V zadnjih dveh letih smo zaznali stagnacijo stanja osutosti.
Keywords:stanje gozdov, osutost drevesnih krošenj, Raven I, ICP Forests, monitoring
Publication status:Published
Publication version:Version of Record
Publication date:18.12.2025
Year of publishing:2025
Number of pages:str. 208-220
Numbering:Letn. 83, št. 7/8
PID:20.500.12556/DiRROS-24777 New window
UDC:630*53
ISSN on article:0017-2723
COBISS.SI-ID:261995267 New window
Publication date in DiRROS:18.12.2025
Views:18
Downloads:8
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Record is a part of a journal

Title:Gozdarski vestnik : slovenska strokovna revija za gozdarstvo
Shortened title:Gozd. vestn.
Publisher:Zveza gozdarskih društev Slovenije
ISSN:0017-2723
COBISS.SI-ID:3736834 New window

Document is financed by a project

Funder:Other - Other funder or multiple funders
Funding programme:Ministrstvo za kmetijstvo, gozdarstvo in prehrano
Project number:JGS
Name:Javna gozdarska služba
Acronym:JGS
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P4-0107-2020
Name:Gozdna biologija, ekologija in tehnologija

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:English
Title:Tree crown defoliation in Slovenia since 1991, with particular emphasis on 2024
Abstract:More than 30 years of annual monitoring of tree defoliation on the same Level I plots within the ICP Forests programme provides us with valuable insights into long-term tree species vitality monitoring, which is particularly relevant in times of climate change when extreme weather events are increasing in frequency. This article presents the results of the tree crown defoliation condition monitoring in Level I plots in Slovenia between 1991 and 2024, focusing especially on the last year of measurements, i.e. year 2024. Since 1991, the average defoliation level has increased by 14.2% (from 16.6% to 30.8%). In 2024, the average defoliation of conifers was 31.5%, while that of deciduous trees was 30.3%. The time series of average tree crown defoliation for the period of more than 30 years shows that crown defoliation deteriorated between 1991 and 2000, but remained relatively stable between 2000 and 2013. At the beginning of the 2014–2020 period, we observed a high increase in tree crown defoliation (2.2%) due to the 2014 ice storm, followed by a slowdown in the negative deterioration trend, i.e. an increase in defoliation. Between 2020 and 2022, we again observed a high increase in defoliation (3.8%), influenced by the summer drought in 2022 and various natural disasters such as windbreaks and bark beetle infestations. In the last two years, we have observed stagnation in the defoliation situation.
Keywords:forest condition, tree crown defoliation, Level I, ICP Forests, monitoring


Collection

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  1. Gozdarski vestnik

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