Phenological effects of artificial light at night on urban trees: A case study on microclimate and light pollution

Stránka jednoduchej položky
dc.contributor.authorŠkvareninová, Jana
dc.contributor.authorKaniansky, Stanislav
dc.contributor.authorŠkvarenina, Jaroslav
dc.contributor.authorKorená-Hillayová, Michaela
dc.contributor.authorKanianska, Radoslava
dc.date.accessioned2026-04-24T06:37:25Z
dc.date.available2026-04-24T06:37:25Z
dc.date.issued2026
dc.descriptionIn: Urban Forestry & Urban Greening. Jena : Elsevier GmbH, 2026. ISSN 1618-8667. No. 116 (2026), pp. [1-11].
dc.description.abstractArtificial light at night (ALAN) is a pervasive but understudied stressor for urban trees, significantly affecting their phenology. The study investigates the impact of ALAN on autumn leaf colouring (LC10 % and LC100 %) in Acer pseudoplatanus, Acer platanoides, and Betula pendula in urban settings during 2016 and 2023. Using Linear Mixed Models, we analyzed phenological timing in illuminated (L) versus non-illuminated (N) crown parts, considering meteorological factors. Our results show that ALAN significantly delays the initial leaf colouring (LC10 %), suggesting an extension of the growing season. However, this effect did not significantly vary across species or crown parts, indicating a broad initial sensitivity. For complete leaf colouring (LC100 %), ALAN's direct influence diminished, with meteorological conditions emerging as primary drivers. Both species-specific traits and microclimatic differences within the crown consistently proved highly significant for both phenophases, highlighting inherent variability. Crucially, although ALAN's overall effect on species-specific senescence timing was not statistically distinct, species that naturally senesce later (e.g., Betula pendula) experienced disproportionately greater ALAN-induced delays in LC100 %. This strong positive correlation between natural senescence onset and ALAN-induced delay for complete leaf colouring underscores a critical vulnerability for late-season species. These findings emphasise the complex interplay between ALAN, meteorological factors, and species-specific responses in urban tree phenology. Understanding these dynamics is vital for sustainable urban trees management, guiding species selection and lighting design to mitigate negative impacts on tree health and urban ecosystem services.
dc.description.sponsorshipVEGA 1/0086/26 Fenológia drevín ako indikátor odozvy ekosystémov na zmenu klímy - rizikové faktory a časová variabilita VEGA 1/0443/23 Dopady extrémov súvisiacich s klímou na lesné ekosystémy a krajinu v podmienkach prebiehajúcich zmien prostredia APVV-18–0347 Zmeny klímy a prírodné riziká: zraniteľnosť a adaptačné kapacity lesných ekosystémov Západných Karpát
dc.identifier.doihttps://doi.org/10.1016/j.ufug.2025.129241
dc.identifier.issn1618-8667
dc.identifier.issn1610-8167
dc.identifier.urihttps://repo.umb.sk/handle/123456789/1411
dc.language.isoen
dc.publisherElsevier GmbH : Jena
dc.rightsCC BY-NC Creative Commons Attribution-NonCommercial 4.0. International
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.subjectekosystémové služby
dc.subjectecosystem services
dc.subjectfenológia listov
dc.subjectleaf phenology
dc.subjectsvetelné znečistenie
dc.subjectmestské lesníctvo
dc.subjecturban forestry
dc.titlePhenological effects of artificial light at night on urban trees: A case study on microclimate and light pollution
dc.typeArticle
dc.typeinfo:eu-repo/semantics/article

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