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Functional diversity can facilitate the collapse of an undesirable ecosystem state

Limberger, Romana; Daugaard, Uriah; Gupta, Anubhav; Krug, Rainer M; Lemmen, Kimberley D; van Moorsel, Sofia J; Suleiman, Marcel; Zuppinger‐Dingley, Debra; Petchey, Owen L (2023). Functional diversity can facilitate the collapse of an undesirable ecosystem state. Ecology Letters, 26(6):883-895.

Abstract

Biodiversity may increase ecosystem resilience. However, we have limited understanding if this holds true for ecosystems that respond to gradual environmental change with abrupt shifts to an alternative state. We used a mathematical model of anoxic–oxic regime shifts and explored how trait diversity in three groups of bacteria influences resilience. We found that trait diversity did not always increase resilience: greater diversity in two of the groups increased but in one group decreased resilience of their preferred ecosystem state. We also found that simultaneous trait diversity in multiple groups often led to reduced or erased diversity effects. Overall, our results suggest that higher diversity can increase resilience but can also promote collapse when diversity occurs in a functional group that negatively influences the state it occurs in. We propose this mechanism as a potential management approach to facilitate the recovery of a desired ecosystem state.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
08 Research Priority Programs > Global Change and Biodiversity
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Scopus Subject Areas:Life Sciences > Ecology, Evolution, Behavior and Systematics
Uncontrolled Keywords:Ecology, Evolution, Behavior and Systematics
Language:English
Date:1 June 2023
Deposited On:12 Oct 2023 07:56
Last Modified:29 Jan 2025 02:40
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:1461-023X
Additional Information:Bereits als Working Paper in Authorea erschienen: https://www.zora.uzh.ch/id/eprint/226209/.
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1111/ele.14217
Related URLs:https://www.zora.uzh.ch/id/eprint/226209/
https://doi.org/10.22541/au.165513066.66785786/v1
PubMed ID:37059694
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