How Plastic Can Phenotypic Plasticity Be? The Branching Coral Stylophora pistillata as a Model System
2007

How Flexible Can Coral Shapes Be? A Study on Stylophora pistillata

Sample size: 136 publication 10 minutes Evidence: moderate

Author Information

Author(s): Shaish Lee, Abelson Avigdor, Rinkevich Baruch

Primary Institution: Israel Oceanographic and Limnological Research, National Institute of Oceanography, Haifa, Israel

Hypothesis

How does phenotypic plasticity affect the architectural rules of coral colonies?

Conclusion

The study found that phenotypic plasticity in Stylophora pistillata is primarily restricted to the branch level of organization, while colony traits are governed by predetermined genetic rules.

Supporting Evidence

  • The study analyzed 16 morphometric parameters to understand coral growth.
  • Results indicated that branch-level traits were plastic, while colony-level traits were fixed.
  • The research involved manipulating coral fragments to observe growth patterns.

Takeaway

This study shows that corals can change their shapes based on their environment, but the overall structure of the colony is mostly determined by their genes.

Methodology

The researchers analyzed 16 morphometric parameters on 136 one-year-old colonies of Stylophora pistillata, using various experimental manipulations to assess phenotypic plasticity.

Limitations

The study primarily focused on one species and may not generalize to other coral species or environmental conditions.

Participant Demographics

The study involved seven genotypes of Stylophora pistillata collected from Eilat, Red Sea.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0000644

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