Local climate, air quality and leaf litter cover shape foliar fungal communities on an urban tree.

Autor: Faticov M; Department of Ecology, Environment and Plant Sciences, Stockholm University, Frescativägen 40, 114 18, Stockholm, Sweden. maria.faticov@gmail.com.; Département de Biologie, Université de Sherbrooke, 2500, boul. de l'Université, J1K 2R, Sherbrooke, QC, Canada. maria.faticov@gmail.com., Amorim JH; Swedish Meteorological and Hydrological Institute (SMHI), Folkborgsvägen 17, Norrköping, Sweden., Abdelfattah A; Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Max-Eyth-Allee 100, 14469, Potsdam, Germany., van Dijk LJA; Department of Ecology, Environment and Plant Sciences, Stockholm University, Frescativägen 40, 114 18, Stockholm, Sweden., Carvalho AC; Swedish Meteorological and Hydrological Institute (SMHI), Folkborgsvägen 17, Norrköping, Sweden., Laforest-Lapointe I; Département de Biologie, Université de Sherbrooke, 2500, boul. de l'Université, J1K 2R, Sherbrooke, QC, Canada., Tack AJM; Department of Ecology, Environment and Plant Sciences, Stockholm University, Frescativägen 40, 114 18, Stockholm, Sweden.
Jazyk: angličtina
Zdroj: Ambio [Ambio] 2024 Nov; Vol. 53 (11), pp. 1673-1685. Date of Electronic Publication: 2024 Jun 13.
DOI: 10.1007/s13280-024-02041-4
Abstrakt: Foliar fungi on urban trees are important for tree health, biodiversity and ecosystem functioning. Yet, we lack insights into how urbanization influences foliar fungal communities. We created detailed maps of Stockholm region's climate and air quality and characterized foliar fungi from mature oaks (Quercus robur) across climatic, air quality and local habitat gradients. Fungal richness was higher in locations with high growing season relative humidity, and fungal community composition was structured by growing season maximum temperature, NO 2 concentration and leaf litter cover. The relative abundance of mycoparasites and endophytes increased with temperature. The relative abundance of pathogens was lowest with high concentrations of NO 2 and particulate matter (PM 2.5 ), while saprotrophs increased with leaf litter cover. Our findings show that urbanization influences foliar fungi, providing insights for developing management guidelines to promote tree health, prevent disease outbreaks and maintain biodiversity within urban landscapes.
(© 2024. The Author(s).)
Databáze: MEDLINE
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