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Inter-tree variability of autumn leaf phenology of European beech (Fagus sylvatica) on a site in Ljubljana, Slovenia
ID Škrk Dolar, Nina (Author), ID Balzano, Angela (Author), ID Črepinšek, Zalika (Author), ID Čufar, Katarina (Author)

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Abstract
Temporal variability of leaf senescence (autumn phenology) was observed in 2020 in 11 European beech (Fagus sylvatica) trees in Tivoli, Rožnik and Šišenski hrib Landscape Park in Ljubljana, Slovenia, previously this year observed also for spring phenology. General leaf colouring (LC) BBCH94 occurred, between 19 and 24 October 2020, with lower inter-individual variability than that of leaf unfolding (LU), BBCH11. The trees had active leaves (LC-LU) between 177 and 199 days. In only 3 trees total leaf fall (LF), BBCH97, occurred before 19 November 2020. LC of the tree included in the long-term monitoring program of the Slovenian Environment Agency ARSO occurred on 24 October 2020. This is 7 days later than 65-year average of the same tree/location and is ascribed to weather conditions. Investigation of tree tissues showed that the width of the last formed tree-ring in the wood varied between 0.39 and 9.61 mm and in phloem between 0.09 and 0.26 mm and that the tissues reflect health condition of the trees.

Language:English
Keywords:fenologija, jesen, obarvanje listov, odpad listov, nastajanje lesa, variabilnost med osebki, bukev, Fagus sylvatica, Slovenija
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Publication status:Published
Publication version:Version of Record
Year:2020
Number of pages:Str. 5-20
Numbering:Let. 69, št. 2
PID:20.500.12556/RUL-124295 This link opens in a new window
UDC:630*181.8:630*176.1
ISSN on article:0024-1067
DOI:10.26614/les-wood.2020.v69n02a09 This link opens in a new window
COBISS.SI-ID:44798467 This link opens in a new window
Publication date in RUL:14.01.2021
Views:1031
Downloads:277
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Record is a part of a journal

Title:Les
Shortened title:Les
Publisher:Zveza društev inženirjev in tehnikov gozdarstva in lesarstva Slovenije, Zveza društev inženirjev in tehnikov gozdarstva in lesarstva Slovenije, Biotehniška fakulteta, Oddelek za lesarstvo, Založba Univerze, Biotehniška fakulteta, Oddelek za lesarstvo, Založba Univerze
ISSN:0024-1067
COBISS.SI-ID:13940224 This link opens in a new window

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.
Licensing start date:30.12.2020

Secondary language

Language:Slovenian
Title:Variabilnost jesenske listne fenologije med drevesi navadne bukve (Fagus sylvatica) na rastišču v Ljubljani
Abstract:
V letu 2020 smo spremljali jesensko fenologijo listov 11 dreves evropske bukve (Fagus sylvatica) v Krajinskem parku Tivoli, Rožnik in Šišenski hrib v Ljubljani, Slovenija. Pri istih drevesih smo spomladi spremljali proces olistanja. Splošno obarvanje listov (LC), BBCH94, je nastopilo med 19. in 24. oktobrom 2020, v ožjem časovnem intervalu kot spomladansko olistanje (LU), BBCH11. Drevesa so imela aktivne liste (LC-LU) od 177 do 199 dni. Samo s 3 dreves je do 19. novembra 2020 odpadlo vse listje (LF), BBCH97. Pri drevesu, ki je vključeno v dolgoletni program spremljanja fenologije listov Agencije Republike Slovenije za okolje ARSO, je obarvanje listov nastopilo 24. oktobra 2020, kar je za 7 dni kasneje od 65-letnega povprečja za isto drevo / lokacijo. Raziskave drevesnih tkiv so pokazale, da je znašala širina zadnje branike v lesu med 0,39 in 9,61 mm in v floemu med 0,09 in 0,26 mm in da tkiva nakazujejo zdravstveno stanje dreves.

Keywords:leaf phenology, autumn, leaf colouring, leaf fall, wood formation, inter-individual variability, European beech, Slovenia

Projects

Funder:ARRS - Slovenian Research Agency
Project number:P4-0015
Name:Les in lignocelulozni kompoziti

Funder:ARRS - Slovenian Research Agency
Project number:P4-0085
Name:Agroekosistemi

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