Using long-term tree diversity experiments to explore the mechanisms of temporal shifts in forest ecosystem functioning - UTU Research Portal

A1 Refereed original research article in a scientific journal

Using long-term tree diversity experiments to explore the mechanisms of temporal shifts in forest ecosystem functioning

Authors: Koricheva, Julia; Barton, Kasey E.; Felix, Juri A.; Cooper, Amanda; Jensen, Joel; Jucker, Tommaso; Ruohomäki, Kai

Publisher: WILEY

Publishing place: HOBOKEN

Publication year: 2025

Journal: Oikos

Journal name in source: OIKOS

Journal acronym: OIKOS

Article number: e10872

Number of pages: 17

ISSN: 0030-1299

eISSN: 1600-0706

DOI: https://doi.org/10.1111/oik.10872

Web address : https://nsojournals.onlinelibrary.wiley.com/doi/10.1111/oik.10872

Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/485202666

Abstract

Plant diversity is known to influence ecosystem functioning, but the strength and direction of this relationship vary considerably among studies, most of which have a short duration. In communities with long-lived species, such as forests, traits of individual trees change from seedlings to maturity, and the environment in which trees grow also continually changes through stand development and forest succession. We argue that interactions between these individual and community-level effects over time will alter biodiversity-ecosystem functioning (BEF) relationships, likely explaining at least part of the reported variation in BEF effects among studies. We outline a series of mechanisms through which temporal changes at the tree and stand levels can alter BEF relationships and illustrate these processes using data from the long-term Satakunta forest diversity experiments in Finland. We argue that long-term forest diversity experiments are essential to robustly characterize temporal dynamics emerging from the complex interplay between plant functional traits and environmental conditions over time. These experiments can provide critical insights for predicting the consequences of biodiversity loss on ecosystem functioning and service provisioning over time.

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Funding information in the publication:
The establishment of the Satakunta forest diversity experiments was supported by the funding from the Academy of Finland. KB was supported by the Natural Environment Research Council Postdoctoral Fellowship (NERC NE/E012418/1) and the funding from the College of Natural Sciences, University of Hawaii at Manoa. JF was supported by the Biotechnology and Biological Sciences Research Council (BBSRC) through grant BB/M011178/1. AC was supported and financed by the Natural Environment Research Council (grant no. NE/L002485/1). JJ has supported by funding from Formas (The Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning) for the MixForChange project (grant no 2020-02339). TJ was supported by a UK NERC Independent Research Fellowship (grant code: NE/S01537X/1).