Habitat-Mediated Facilitation and Counteracting Ecosystem Engineering Interactively Influence Ecosystem Responses to Disturbance
2011

How Ecosystem Engineers Affect Recovery from Disturbance

Sample size: 240 publication 10 minutes Evidence: moderate

Author Information

Author(s): Eklöf Johan S., van der Heide Tjisse, Donadi Serena, van der Zee Els M., O'Hara Robert, Eriksson Britas Klemens

Primary Institution: Groningen University

Hypothesis

How do habitat-mediated facilitation and counteracting ecosystem engineering influence ecosystem responses to disturbance?

Conclusion

The study found that interactions between seagrass and lugworms can significantly affect the recovery of ecosystems after disturbances.

Supporting Evidence

  • Seagrass recolonization was unaffected by lugworm addition.
  • Lugworm densities increased in larger clearings.
  • The risk of disturbance to seagrass increased with hollow size.

Takeaway

This study shows that when seagrass is disturbed, lugworms can make it harder for the seagrass to come back, especially if the disturbance is big.

Methodology

The study used field surveys and removal-addition experiments to assess the effects of seagrass and lugworm interactions on ecosystem recovery.

Potential Biases

Potential biases may arise from the specific environmental conditions of the study site.

Limitations

The study did not identify the specific additional disturbances affecting seagrass recovery.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023229

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