Articles | Volume 20, issue 20
https://doi.org/10.5194/bg-20-4339-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-20-4339-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Mobilisation thresholds for coral rubble and consequences for windows of reef recovery
Tania M. Kenyon
CORRESPONDING AUTHOR
Marine Spatial Ecology Lab, School of Biological Sciences, The University of Queensland, St. Lucia, Australia
Daniel Harris
School of Earth and Environmental Sciences, The University of Queensland, St. Lucia, Australia
Tom Baldock
School of Civil Engineering, The University of Queensland, St. Lucia, Australia
David Callaghan
School of Civil Engineering, The University of Queensland, St. Lucia, Australia
Christopher Doropoulos
Commonwealth Scientific and Industrial Research Organisation, St. Lucia, Australia
Gregory Webb
School of Earth and Environmental Sciences, The University of Queensland, St. Lucia, Australia
Steven P. Newman
Banyan Tree Marine Laboratory, Vabbinfaru, North Malé Atoll, Maldives
Peter J. Mumby
Marine Spatial Ecology Lab, School of Biological Sciences, The University of Queensland, St. Lucia, Australia
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Cited
11 citations as recorded by crossref.
- Current velocity, water quality, and benthic taxa as predictors for coral recruitment rates on the Great Barrier Reef M. Drake et al. 10.1371/journal.pone.0319521
- Conceptualizing social risk in relation to climate change and assisted ecosystem adaptation S. Lockie et al. 10.1111/risa.17635
- Trajectories and agents of binding in stabilized and unstabilized coral rubble across environmental gradients T. Kenyon et al. 10.1002/ecs2.70195
- Experimental investigation on cross-shore profile evolution of reef-fronted beach Y. Li et al. 10.1016/j.coastaleng.2024.104653
- Bio-degradable ‘reef bags’ used for rubble stabilisation and their impact on rubble stability, binding, coral recruitment and fish occupancy T. Kenyon et al. 10.1016/j.ecoleng.2024.107433
- Public support for novel interventions to protect, restore, and accelerate adaptation to climate change in the Great Barrier Reef H. Bartelet et al. 10.1016/j.ocecoaman.2024.107489
- Internal hydrodynamics within the skeleton of Acropora pulchra coral Y. Tian et al. 10.1016/j.isci.2025.111742
- The spatial risk of cyclone wave damage across the Great Barrier Reef M. Cheung et al. 10.1016/j.ecoinf.2025.103175
- Material Legacies on Coral Reefs: Rubble Length and Bed Thickness Are Key Drivers of Rubble Bed Recovery T. Kenyon et al. 10.1111/gcb.17574
- Effects of Environmental and Climatic Changes on Coral Reef Islands P. Kench 10.1146/annurev-marine-032223-030921
- Morphologically driven sedimentation patterns on a coral reef G. Sartori et al. 10.1007/s00338-025-02629-6
11 citations as recorded by crossref.
- Current velocity, water quality, and benthic taxa as predictors for coral recruitment rates on the Great Barrier Reef M. Drake et al. 10.1371/journal.pone.0319521
- Conceptualizing social risk in relation to climate change and assisted ecosystem adaptation S. Lockie et al. 10.1111/risa.17635
- Trajectories and agents of binding in stabilized and unstabilized coral rubble across environmental gradients T. Kenyon et al. 10.1002/ecs2.70195
- Experimental investigation on cross-shore profile evolution of reef-fronted beach Y. Li et al. 10.1016/j.coastaleng.2024.104653
- Bio-degradable ‘reef bags’ used for rubble stabilisation and their impact on rubble stability, binding, coral recruitment and fish occupancy T. Kenyon et al. 10.1016/j.ecoleng.2024.107433
- Public support for novel interventions to protect, restore, and accelerate adaptation to climate change in the Great Barrier Reef H. Bartelet et al. 10.1016/j.ocecoaman.2024.107489
- Internal hydrodynamics within the skeleton of Acropora pulchra coral Y. Tian et al. 10.1016/j.isci.2025.111742
- The spatial risk of cyclone wave damage across the Great Barrier Reef M. Cheung et al. 10.1016/j.ecoinf.2025.103175
- Material Legacies on Coral Reefs: Rubble Length and Bed Thickness Are Key Drivers of Rubble Bed Recovery T. Kenyon et al. 10.1111/gcb.17574
- Effects of Environmental and Climatic Changes on Coral Reef Islands P. Kench 10.1146/annurev-marine-032223-030921
- Morphologically driven sedimentation patterns on a coral reef G. Sartori et al. 10.1007/s00338-025-02629-6
Latest update: 29 May 2025
Short summary
The movement of rubble on coral reefs can lead to persistent unstable rubble beds that hinder reef recovery. To identify where such rubble beds are, we need to know the minimum velocity that will move rubble. We found that loose rubble had a 50 % chance of being moved when near-bed wave orbital velocities reached ~0.3 m s−1; rubble moved more if pieces were small and had no branches. Rubble beds that experience frequent movement would be good candidates for rubble stabilisation interventions.
The movement of rubble on coral reefs can lead to persistent unstable rubble beds that hinder...
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