Ecosystem Resilience and Threshold Response in the Galápagos Coastal Zone
2011

Ecological Resilience in Galápagos Mangroves

publication 10 minutes Evidence: moderate

Author Information

Author(s): Seddon Alistair W. R., Froyd Cynthia A., Leng Melanie J., Milne Glenn A., Willis Katherine J.

Primary Institution: University of Oxford

Hypothesis

What are the ‘fast and slow’ processes operating in the coastal zone, is there evidence for a threshold response, and how can the past inform us about the resilience of the modern system?

Conclusion

Palaeoecological records can provide important information on the nature of non-linear behaviour by identifying thresholds within ecological systems and outlining responses to environmental change.

Supporting Evidence

  • The study highlights the need for a long-term ecological perspective in managing coastal resilience.
  • Mangroves showed a significant response to tidal inundation and environmental disturbances.
  • The research indicates that historical processes can erode the resilience of mangrove ecosystems.

Takeaway

This study looks at how mangroves in the Galápagos Islands have changed over 2,700 years and how they respond to environmental changes, showing that they can adapt but also face risks from climate change.

Methodology

Palaeoecological methods including AMS radiocarbon dating and stable carbon isotopes were used to reconstruct ecological changes over 2,700 years.

Limitations

The study may not account for all external factors influencing mangrove resilience and ecological changes.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022376

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