Changes in the foliar fungal community between oak leaf flushes along a latitudinal gradient in Europe.
Quercus robur
community composition
foliar fungi
growing season
latitude
leaf flush
Journal
Journal of biogeography
ISSN: 0305-0270
Titre abrégé: J Biogeogr
Pays: England
ID NLM: 0432556
Informations de publication
Date de publication:
Dec 2022
Dec 2022
Historique:
received:
10
03
2022
revised:
19
08
2022
accepted:
07
09
2022
entrez:
13
1
2023
pubmed:
14
1
2023
medline:
14
1
2023
Statut:
ppublish
Résumé
Leaves support a large diversity of fungi, which are known to cause plant diseases, induce plant defences or influence leaf senescence and decomposition. To advance our understanding of how foliar fungal communities are structured and assembled, we assessed to what extent leaf flush and latitude can explain the within- and among-tree variation in foliar fungal communities. A latitudinal gradient spanning The foliar fungal community associated with a foundation tree species, the pedunculate oak We examined the main and interactive effects of leaf flush and latitude on the foliar fungal community by sampling 20 populations of the pedunculate oak Species composition, but not species richness, differed between leaf flushes. Across the latitudinal gradient, species richness was highest in the central part of the oak's distributional range, and foliar fungal community composition shifted along the latitudinal gradient. Among fungal guilds, the relative abundance of plant pathogens and mycoparasites was lower on the first leaf flush, and the relative abundance of plant pathogens and saprotrophs decreased with latitude. Changes in community composition between leaf flushes and along the latitudinal gradient were mostly a result of species turnover. Overall, our findings demonstrate that leaf flush and latitude explain 5%-22% of the small- and large-scale spatial variation in the foliar fungal community on a foundation tree within the temperate region. Using space-for-time substitution, we expect that foliar fungal community structure will change with climate warming, with an increase in the abundance of plant pathogens and mycoparasites at higher latitudes, with major consequences for plant health, species interactions and ecosystem dynamics.
Identifiants
pubmed: 36636040
doi: 10.1111/jbi.14508
pii: JBI14508
pmc: PMC9828548
doi:
Banques de données
Dryad
['10.5061/dryad.931zcrjpd']
Types de publication
Journal Article
Langues
eng
Pagination
2269-2280Informations de copyright
© 2022 The Authors. Journal of Biogeography published by John Wiley & Sons Ltd.
Déclaration de conflit d'intérêts
5All authors declare no conflict of interest.
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