Mycorrhizal associations modify tree diversity−productivity relationships across experimental tree plantations

to connected objects

Abstract: Decades of studies have demonstrated links between biodiversity and ecosystem function-
ing, yet the generality of the relationships and the underlying mechanisms remain unclear,
especially for forest ecosystems.
Using 11 tree-diversity experiments, we tested tree species richness–community productiv-
ity relationships and the role of arbuscular (AM) or ectomycorrhizal (ECM) fungal-associated
tree species in these relationships.
Tree species richness had a positive effect on community productivity across experiments,
modified by the diversity of tree mycorrhizal associations. In communities with both AM and
ECM trees, species richness showed positive effects on community productivity, which could
have resulted from complementarity between AM and ECM trees. Moreover, both AM and
ECM trees were more productive in mixed communities with both AM and ECM trees than in
communities assembled by their own mycorrhizal type of trees. In communities containing
only ECM trees, species richness had a significant positive effect on productivity, whereas spe-
cies richness did not show any significant effects on productivity in communities containing
only AM trees.
Our study provides novel explanations for variations in diversity–productivity relationships
by suggesting that tree–mycorrhiza interactions can shape productivity in mixed-species for-
est ecosystems

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch
Notes
The new phytologist. - 243, 3 (2024) , 1205-1219, ISSN: 1469-8137

Event
Veröffentlichung
(where)
Freiburg
(who)
Universität
(when)
2024
Creator
Luo, Shan
Scherer-Lorenzen, Michael
Bauhus, Jürgen
Beyer, Friderike
Hajek, Peter
Eisenhauer, Nico
Contributor

DOI
10.1111/nph.19889
URN
urn:nbn:de:bsz:25-freidok-2495726
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
25.03.2025, 1:48 PM CET

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Time of origin

  • 2024

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