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https://hdl.handle.net/2440/93804
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Type: | Journal article |
Title: | On the dimensionality of ecological stability |
Author: | Donohue, I. Petchey, O. Montoya, J. Jackson, A. McNally, L. Viana, M. Healy, K. Lurgi, M. O'Connor, N. Emmerson, M. |
Citation: | Ecology Letters, 2013; 16(4):421-429 |
Publisher: | Blackwell Publishing |
Issue Date: | 2013 |
ISSN: | 1461-023X 1461-0248 |
Editor: | Gessner, M. |
Statement of Responsibility: | Ian Donohue, Owen L. Petchey, José M. Montoya, Andrew L. Jackson, Luke McNally, Mafalda Viana, Kevin Healy, Miguel Lurgi, Nessa E. O'Connor, and Mark C. Emmerson |
Abstract: | Ecological stability is touted as a complex and multifaceted concept, including components such as variability, resistance, resilience, persistence and robustness. Even though a complete appreciation of the effects of perturbations on ecosystems requires the simultaneous measurement of these multiple components of stability, most ecological research has focused on one or a few of those components analysed in isolation. Here, we present a new view of ecological stability that recognises explicitly the non-independence of components of stability. This provides an approach for simplifying the concept of stability. We illustrate the concept and approach using results from a field experiment, and show that the effective dimensionality of ecological stability is considerably lower than if the various components of stability were unrelated. However, strong perturbations can modify, and even decouple, relationships among individual components of stability. Thus, perturbations not only increase the dimensionality of stability but they can also alter the relationships among components of stability in different ways. Studies that focus on single forms of stability in isolation therefore risk underestimating significantly the potential of perturbations to destabilise ecosystems. In contrast, application of the multidimensional stability framework that we propose gives a far richer understanding of how communities respond to perturbations. |
Keywords: | Ecosystem function ellipsoid extinction invasion multidimensional stability persistence resilience resistance robustness variability |
Rights: | © 2013 Blackwell Publishing Ltd/CNRS |
DOI: | 10.1111/ele.12086 |
Published version: | http://dx.doi.org/10.1111/ele.12086 |
Appears in Collections: | Aurora harvest 7 Ecology, Evolution and Landscape Science publications |
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