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Using the Goldilocks Principle to model coral ecosystem engineering
S J Hennige1, A I Larsson2, C Orejas3
1Changing Oceans Group, School of GeoSciences, University of Edinburgh, Edinburgh, UK.
Proceedings. Biological Sciences
|August 10, 2021
Summary
Coral reef structures rely on a balance of live and dead coral. This study applies the
Area of Science:
- Marine Biology
- Ecosystem Dynamics
- Hydrodynamics
Background:
- Reef-forming corals are crucial for marine biodiversity and ecosystem services.
- The structural integrity and function of coral reefs depend on the ratio of live to dead coral.
- Understanding this ratio is key to predicting reef health and stability.
Purpose of the Study:
- To model how the live:dead coral ratio influences reef systems.
- To apply the 'Goldilocks Principle' to coral reef hydrodynamics.
- To investigate coral self-optimization of flow requirements through habitat engineering.
Main Methods:
- Utilized particle imaging velocimetry (PIV) data.
- Employed numerical smooth particle hydrodynamic (SPH) modeling.
- Incorporated two fundamental rules within the SPH model.
Main Results:
- Demonstrated the applicability of the 'Goldilocks Principle' to a model reef system.
- Showcased how corals optimize local flow conditions via habitat engineering.
- Quantified the impact of live:dead coral ratios on reef hydrodynamics.
Conclusions:
- Coral reef growth and stability are governed by the live:dead coral ratio, influenced by flow dynamics.
- The 'Goldilocks Principle' provides a framework for understanding coral self-regulation of environmental conditions.
- Advanced modeling approaches can predict the future growth and mortality of coral reef frameworks.
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