Abstract:
:A declining rate of recovery following disturbance has been proposed as an important early warning for impending tipping points in complex systems. Despite extensive theoretical and laboratory studies, this 'critical slowing down' remains largely untested in the complex settings of real-world ecosystems. Here, we provide both observational and experimental support of critical slowing down along natural stress gradients in tidal marsh ecosystems. Time series of aerial images of European marsh development reveal a consistent lengthening of recovery time as inundation stress increases. We corroborate this finding with transplantation experiments in European and North American tidal marshes. In particular, our results emphasize the power of direct observational or experimental measures of recovery over indirect statistical signatures, such as spatial variance or autocorrelation. Our results indicate that the phenomenon of critical slowing down can provide a powerful tool to probe the resilience of natural ecosystems.
journal_name
Nat Communjournal_title
Nature communicationsauthors
van Belzen J,van de Koppel J,Kirwan ML,van der Wal D,Herman PMJ,Dakos V,Kéfi S,Scheffer M,Guntenspergen GR,Bouma TJdoi
10.1038/ncomms15811subject
Has Abstractpub_date
2017-06-09 00:00:00pages
15811issn
2041-1723pii
ncomms15811journal_volume
8pub_type
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