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Lookup NU author(s): Professor Marion PfeiferORCiD
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
© 2024 The Authors. Global Change Biology published by John Wiley & Sons Ltd.Growing evidence suggests that liana competition with trees is threatening the global carbon sink by slowing the recovery of forests following disturbance. A recent theory based on local and regional evidence further proposes that the competitive success of lianas over trees is driven by interactions between forest disturbance and climate. We present the first global assessment of liana–tree relative performance in response to forest disturbance and climate drivers. Using an unprecedented dataset, we analysed 651 vegetation samples representing 26,538 lianas and 82,802 trees from 556 unique locations worldwide, derived from 83 publications. Results show that lianas perform better relative to trees (increasing liana-to-tree ratio) when forests are disturbed, under warmer temperatures and lower precipitation and towards the tropical lowlands. We also found that lianas can be a critical factor hindering forest recovery in disturbed forests experiencing liana-favourable climates, as chronosequence data show that high competitive success of lianas over trees can persist for decades following disturbances, especially when the annual mean temperature exceeds 27.8°C, precipitation is less than 1614 mm and climatic water deficit is more than 829 mm. These findings reveal that degraded tropical forests with environmental conditions favouring lianas are disproportionately more vulnerable to liana dominance and thus can potentially stall succession, with important implications for the global carbon sink, and hence should be the highest priority to consider for restoration management.
Author(s): Ngute ASK, Schoeman DS, Pfeifer M, van der Heijden GMF, Phillips OL, van Breugel M, Campbell MJ, Chandler CJ, Enquist BJ, Gallagher RV, Gehring C, Hall JS, Laurance S, Laurance WF, Letcher SG, Liu W, Sullivan MJP, Wright SJ, Yuan C, Marshall AR
Publication type: Article
Publication status: Published
Journal: Global Change Biology
Year: 2024
Volume: 30
Issue: 1
Online publication date: 19/01/2024
Acceptance date: 19/12/2023
Date deposited: 20/02/2024
ISSN (print): 1354-1013
ISSN (electronic): 1365-2486
Publisher: John Wiley and Sons Inc
URL: https://doi.org/10.1111/gcb.17140
DOI: 10.1111/gcb.17140
Data Access Statement: All primary data sources have been provided and described in Table S1. All raw and processed data supporting the results in this study are openly available in Zenodo https:// doi. org/ 10. 5281/ zenodo. 10428833 and Figshare https:// doi. org/ 10. 6084/ m9. figsh are. 24879021. Direct access to the original and raw data might be restricted due to ethical considerations and data privacy agreements with our data contributors. All requests to access specific raw data should be directed to the original data sources listed in Table S1.
PubMed id: 38273497
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