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Phenology of leaf development in European beech (Fagus sylvatica) on a site in Ljubljana, Slovenia in 2020
Škrk, Nina (Author), Črepinšek, Zalika (Author), Čufar, Katarina (Author)

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Abstract
In spring of 2020 we observed leaf phenology in mature European beech (Fagus sylvatica) trees in Tivoli, Rožnik and Šišenski hrib Landscape Park in Ljubljana, Slovenia (46.05°N, 14.49°E, 310 m a. s. l.). A group of 11 trees was selected for daily monitoring of leaf development. We recorded seven phases from dormant buds, through leaf unfolding till development of mature leaves. At the same time, photos were taken to illustrate the leaf development. First developing leaves were observed on 4 April in one tree. General leaf unfolding, as defined by International Phenological Gardens (IPG), was observed in different trees between 7 and 25 April 2020. The occurrence and duration of individual phases of leaf development showed great variation within and between trees. General leaf unfolding of the tree included in the long-term monitoring program of the Environmental Agency of the Republic of Slovenia (ARSO) occurred on DOY 105 (14 April 2020), which is 4 days earlier than long-term average of the same tree/location, and this is ascribed to above average temperatures in the winter of 2019/2020.

Language:English
Keywords:phenology, leaf development, variability, European beech, Fagus sylvatica, Slovenia
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Year:2020
Number of pages:str. 5-19
Numbering:Let. 69, št. 1
UDC:630*181.8:630:176.1 Fagus sylvatica
ISSN on article:0024-1067
DOI:10.26614/les-wood.2020.v69n01a07 Link is opened in a new window
COBISS.SI-ID:20406019 Link is opened in a new window
Note:Raziskovalni podatki dostopni na https://repozitorij.uni-lj.si/IzpisGradiva.php?id=116807
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Record is a part of a journal

Title:Les
Shortened title:Les
Publisher:UL, Biotehniška fakulteta, Oddelek za lesarstvo
ISSN:0024-1067
COBISS.SI-ID:13940224 This link opens in a new window

Document is financed by a project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P4-0015
Name:Les in lignocelulozni kompoziti

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P4-0085
Name:Agroekosistemi

Secondary language

Language:Slovenian
Title:Fenologija razvoja listov navadne bukve (Fagus sylvatica) na rastišču v Ljubljani v letu 2020
Abstract:
V Krajinskem parku Tivoli, Rožnik in Šišenski hrib v Ljubljani (46,05°S, 14,49°V, 310 m n. m.) smo spomladi leta 2020 opazovali fenologijo razvoja listov odraslih dreves navadne bukve ( Fagus sylvatica ). Izbrali smo skupino enajstih dreves za dnevno opazovanje, beleženje in fotografiranje razvoja listov. Razlikovali smo sedem faz od mirujo - čih brstov, preko različnih faz olistanja do zrelih listov. Prve razvijajoče se liste smo na enem drevesu opazili 4. aprila 2020. Fazo splošnega olistanja, kot jo določa metodologija Mednarodnih fenoloških vrtov, smo pri različnih drevesih beležili od 7. do 25. aprila 2020. Pri nastopu in trajanju različnih faz razvoja listov smo zabeležili velike razlike znotraj posameznega drevesa in med drevesi. Splošno olistanje pri drevesu, ki ga dolgotrajno opazuje Agencija RS za okolje (ARSO), je nastopilo na zaporedni dan 105 (14. aprila 2020), kar je 4 dni prej kot kaže dolgoletno povprečje za isto drevo/lokacijo. Slednje pripisujemo nadpovprečno visokim temperaturam v zimi 2019/2020

Keywords:fenologija, razvoj listov, variabilnost, bukev, Slovenija

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