Globally, plant‐soil feedbacks are weak predictors of plant abundance

Reinhart, Kurt O.; Bauer, Jonathan T.; McCarthy‐Neumann, Sarah; MacDougall, Andrew S.; Hierro, José L.; Chiuffo, Mariana C.; Mangan, Scott A.; Heinze, Johannes; Bergmann, Joana; Joshi, Jasmin; Duncan, Richard P.; Diez, Jeff M.; Kardol, Paul; Rutten, Gemma; Fischer, Markus; Putten, Wim H.; Bezemer, Thiemo Martijn; Klironomos, John (2021). Globally, plant‐soil feedbacks are weak predictors of plant abundance. Ecology and evolution, 11(4), pp. 1756-1768. John Wiley & Sons, Inc. 10.1002/ece3.7167

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Plant‐soil feedbacks (PSFs) have been shown to strongly affect plant performance under controlled conditions, and PSFs are thought to have far reaching consequences for plant population dynamics and the structuring of plant communities. However, thus far the relationship between PSF and plant species abundance in the field is not consistent. Here, we synthesize PSF experiments from tropical forests to semiarid grasslands, and test for a positive relationship between plant abundance in the field and PSFs estimated from controlled bioassays. We meta‐analyzed results from 22 PSF experiments and found an overall positive correlation (0.12 ≤ urn:x-wiley:20457758:media:ece37167:ece37167-math-0001 ≤ 0.32) between plant abundance in the field and PSFs across plant functional types (herbaceous and woody plants) but also variation by plant functional type. Thus, our analysis provides quantitative support that plant abundance has a general albeit weak positive relationship with PSFs across ecosystems. Overall, our results suggest that harmful soil biota tend to accumulate around and disproportionately impact species that are rare. However, data for the herbaceous species, which are most common in the literature, had no significant abundance‐PSFs relationship. Therefore, we conclude that further work is needed within and across biomes, succession stages and plant types, both under controlled and field conditions, while separating PSF effects from other drivers (e.g., herbivory, competition, disturbance) of plant abundance to tease apart the role of soil biota in causing patterns of plant rarity versus commonness.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) > Plant Ecology
08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS)

UniBE Contributor:

Rutten, Gemma Gerarda Petronella and Fischer, Markus

Subjects:

500 Science > 580 Plants (Botany)

ISSN:

2045-7758

Publisher:

John Wiley & Sons, Inc.

Language:

English

Submitter:

Peter Alfred von Ballmoos-Haas

Date Deposited:

01 Mar 2021 15:32

Last Modified:

01 Mar 2021 15:32

Publisher DOI:

10.1002/ece3.7167

Uncontrolled Keywords:

community composition; meta‐analysis; plant abundance; plant dominance; plant rarity; plant‐soil feedbacks; soil biota; species coexistence

BORIS DOI:

10.48350/152513

URI:

https://boris.unibe.ch/id/eprint/152513

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