journal articles
Under review
Brown, K.T., Martynek, M.P.*, Barott, K.L. Maximal coral thermal tolerance is found at intermediate diel temperature variability. https://www.biorxiv.org/content/10.1101/2023.03.27.534434v1
Allen-Waller, L.*, Jones, K. G.*, Martynek, M. P.*, Brown, K.T., Barott, K.L. Heat stress disrupts acid-base homeostasis independent of symbiosis in the model cnidarian Exaiptasia diaphana. https://www.biorxiv.org/content/10.1101/2023.05.31.543134v1
Brown, K.T., Lenz, E.A., Glass, B.H.*, Kruse, E.*, McClintock, R.*, Drury, C., Nelson, C.E., Putman, H.M., and Barott, K.L. Divergent recovery trajectories in reef-building corals following a decade of successive marine heatwaves. https://www.biorxiv.org/content/10.1101/2023.07.16.549193v1
Brown, K.T., Genin, A., Mello-Athayde M.A., Bergstrom, E.*, Campili, A.*, Chai, A.*, Dove, S.G., Ho, M.*, Rowell, D.*, Sampayo, E. M., and Radice V.Z. Physiological signatures of environmental memory in reef-building corals following marine heatwaves.
Published
2023
Glass B.H., Schmitt, A.H., Brown, K.T., Speer K.F., Barott, K.L. Parental exposure to ocean acidification impacts gamete production and physiology but not offspring performance in Nematostella vectensis. Biology Open. https://doi.org/10.1242/bio.059746
2022
Brown K.T., Mello-Athayde, M.A., Sampayo, E. Chai, A., Dove, S.G. and Barott, K.L. Environmental memory gained from exposure to extreme pCO2 variability promotes coral cellular acid-base homeostasis. Proceedings of the Royal Society B: Biological Sciences. 289: 20220941. https://doi.org/10.1098/rspb.2022.0941
Brown K.T., Eyal, G., Dove, S. and Barott, K.L. Fine-scale heterogeneity reveals disproportionate thermal stress and coral mortality in thermally variable reef habitats during a marine heatwave. Coral Reefs. https://doi.org/10.1007/s00338-022-02328-6
Eyal, G., Laverick, J.H., Ben-Zvi, O., Brown K.T., Kramer, N., Tamir, R., Lindeman, Y., Levy, O., and Pandolfi, J.M. Selective deep water coral bleaching occurs through depth isolation. Science of the Total Environment. 844, 157180. https://doi.org/10.1016/j.scitotenv.2022.157180
Radice, V.Z., Fry, B., Brown, K.T., Dove, S., and Hoegh-Guldberg, O. Biogeochemical niches and trophic plasticity of shallow and mesophotic corals recovering from mass bleaching. Limnology and Oceanography. 67 (1), 1617–1630. https://doi.org/10.1002/lno.12157
Brown K.T., and Barott, K.L. Invited perspective. The costs and benefits of environmental memory for reef-building corals coping with recurring marine heatwaves. Integrative and Comparative Biology. icac074, https://doi.org/10.1093/icb/icac074
Rathbone, M., Brown K.T., and Dove, S. Tolerance to a highly variable environment does not infer resilience to future ocean warming and acidification in a branching coral. Limnology and Oceanography. 67 (1), 272-284. https://doi.org/ 10.1002/lno.11991
2021
Innis, T., Allen-Waller L., Brown, K.T., Sparagon, W., Carlson, C., Kruse, E., Huffmyer, A.S., Nelson, C.E., Putman, H.M., and Barott, K.L. Marine heatwaves depress metabolic activity and impair cellular acid-base homeostasis in reef-building corals regardless of bleaching susceptibility. Global Change Biology. https://doi.org/10.1111/gcb.15622
Brown, K.T., Bender-Champ, D., Achlatis, M., van der Zande, R., Kubicek, A., Martin, S.B., Castro-Sanguino, C., Dove, S., and Hoegh-Guldberg, O. Habitat-specific biogenic production and erosion influences net framework and sediment coral reef carbonate budgets. Limnology and Oceanography. 2, 66 349-365. https://doi.org/10.1002/lno.11609
2020
Dove, S., Brown, K.T., van den Heuval, A., Chai, A. and Hoegh-Guldberg, O. Ocean warming and acidification uncouple calcification from calcifier biomass which accelerates coral reef decline. Communications Earth & Environment 1, 55 . https://doi.org/10.1038/s43247-020-00054-x
Brown K. T., Bender-Champ D., Hoegh-Guldberg, O., and Dove S. Seasonal shifts in the competitive ability of macroalgae influence the outcomes of coral-algal competition. Royal Society Open Science. https://doi.org/10.1098/rsos.201797
Martin, S.M., Brown, K.T., and Hoegh-Guldberg, O. Southernmost observation of juvenile bumphead parrotfish Bolbometopon muricatum (Valenciennes, 1840). Australian Journal of Zoology. https://doi.org/10.1071/ZO20029
Kennedy, E.V., Vercelloni, J., Neal, B.P., Ambariyanto, Bryant, D.E.P., Ganase, A., Gartrell P., Brown, K.T. et al. Coral reef community changes in Karimunjawa National Park, Indonesia: assessing the efficacy of management in the face of local and global stressors. Journal of Marine Science and Engineering. 8 (10), 760; https://doi.org/10.3390/jmse8100760
Rodriguez-Ramirez, A., González-Rivero, M., Beijbom, O., Bailhache, C., Bongaerts, P., Brown K.T., Bryant, D.E.P., Dalton, P., Dove, S., Ganase, A., Kennedy, E.V., Kim, C.J.S., Lopez-Marcano, S., Neal, B.P., Radice, V.Z., Vercelloni, J., Beyer, H.L., and Hoegh-Guldberg, O. A contemporary baseline record of the world’s coral reefs. Scientific Data 7, 355; https://doi.org/10.1038/s41597-020-00698-6
2019
Brown, K. T., Bender-Champ, D., Kenyon, T. M., Rémond, C., Hoegh-Guldberg, O., & Dove, S. Temporal effects of ocean warming and acidification on the mechanisms of coral-algal competition. Coral Reefs. https://doi.org/10.1007/s00338-019-01775-y
Brown, K.T. Can restored sea urchin populations save coral reefs from algae invasion? Limnology and Oceanography Bulletin. https://doi.org/10.1002/lob.10319
2018
Brown K.T., Bender-Champ D., Kubicek A., van de Zande R., Achlatis M., Hoegh-Guldberg O. & Dove S.D. The dynamics of coral-algal interactions in space and time on the southern Great Barrier Reef. Frontiers in Marine Science. https://doi.org/10.3389/fmars.2018.00181
Brown, K.T. The dynamics of coral-algal interactions on coral reef ecosystems. The University of Queensland. PhD thesis.
2017
Brown K. T., Bender-Champ D., Bryant D.E.P., Dove S. & Hoegh-Guldberg O. Human activities influence benthic community structure and the composition of coral-algal interactions in the central Maldives. Journal of Experimental Marine Biology and Ecology. https://doi.org/10.1016/j.jembe.2017.09.006.
Bryant D.E.P., Rodriguez-Ramirez A., Phinn S., Gonzalez-Rivero M., Brown K.T., Neal B.P., Hoegh-Guldberg O. & Dove S. Comparison of two photographic methodologies for collecting and analyzing the condition of coral reef ecosystems. Ecosphere. https://doi.org/10.1002/ecs2.1971
Brown, K.T., Martynek, M.P.*, Barott, K.L. Maximal coral thermal tolerance is found at intermediate diel temperature variability. https://www.biorxiv.org/content/10.1101/2023.03.27.534434v1
Allen-Waller, L.*, Jones, K. G.*, Martynek, M. P.*, Brown, K.T., Barott, K.L. Heat stress disrupts acid-base homeostasis independent of symbiosis in the model cnidarian Exaiptasia diaphana. https://www.biorxiv.org/content/10.1101/2023.05.31.543134v1
Brown, K.T., Lenz, E.A., Glass, B.H.*, Kruse, E.*, McClintock, R.*, Drury, C., Nelson, C.E., Putman, H.M., and Barott, K.L. Divergent recovery trajectories in reef-building corals following a decade of successive marine heatwaves. https://www.biorxiv.org/content/10.1101/2023.07.16.549193v1
Brown, K.T., Genin, A., Mello-Athayde M.A., Bergstrom, E.*, Campili, A.*, Chai, A.*, Dove, S.G., Ho, M.*, Rowell, D.*, Sampayo, E. M., and Radice V.Z. Physiological signatures of environmental memory in reef-building corals following marine heatwaves.
Published
2023
Glass B.H., Schmitt, A.H., Brown, K.T., Speer K.F., Barott, K.L. Parental exposure to ocean acidification impacts gamete production and physiology but not offspring performance in Nematostella vectensis. Biology Open. https://doi.org/10.1242/bio.059746
2022
Brown K.T., Mello-Athayde, M.A., Sampayo, E. Chai, A., Dove, S.G. and Barott, K.L. Environmental memory gained from exposure to extreme pCO2 variability promotes coral cellular acid-base homeostasis. Proceedings of the Royal Society B: Biological Sciences. 289: 20220941. https://doi.org/10.1098/rspb.2022.0941
Brown K.T., Eyal, G., Dove, S. and Barott, K.L. Fine-scale heterogeneity reveals disproportionate thermal stress and coral mortality in thermally variable reef habitats during a marine heatwave. Coral Reefs. https://doi.org/10.1007/s00338-022-02328-6
Eyal, G., Laverick, J.H., Ben-Zvi, O., Brown K.T., Kramer, N., Tamir, R., Lindeman, Y., Levy, O., and Pandolfi, J.M. Selective deep water coral bleaching occurs through depth isolation. Science of the Total Environment. 844, 157180. https://doi.org/10.1016/j.scitotenv.2022.157180
Radice, V.Z., Fry, B., Brown, K.T., Dove, S., and Hoegh-Guldberg, O. Biogeochemical niches and trophic plasticity of shallow and mesophotic corals recovering from mass bleaching. Limnology and Oceanography. 67 (1), 1617–1630. https://doi.org/10.1002/lno.12157
Brown K.T., and Barott, K.L. Invited perspective. The costs and benefits of environmental memory for reef-building corals coping with recurring marine heatwaves. Integrative and Comparative Biology. icac074, https://doi.org/10.1093/icb/icac074
Rathbone, M., Brown K.T., and Dove, S. Tolerance to a highly variable environment does not infer resilience to future ocean warming and acidification in a branching coral. Limnology and Oceanography. 67 (1), 272-284. https://doi.org/ 10.1002/lno.11991
2021
Innis, T., Allen-Waller L., Brown, K.T., Sparagon, W., Carlson, C., Kruse, E., Huffmyer, A.S., Nelson, C.E., Putman, H.M., and Barott, K.L. Marine heatwaves depress metabolic activity and impair cellular acid-base homeostasis in reef-building corals regardless of bleaching susceptibility. Global Change Biology. https://doi.org/10.1111/gcb.15622
Brown, K.T., Bender-Champ, D., Achlatis, M., van der Zande, R., Kubicek, A., Martin, S.B., Castro-Sanguino, C., Dove, S., and Hoegh-Guldberg, O. Habitat-specific biogenic production and erosion influences net framework and sediment coral reef carbonate budgets. Limnology and Oceanography. 2, 66 349-365. https://doi.org/10.1002/lno.11609
2020
Dove, S., Brown, K.T., van den Heuval, A., Chai, A. and Hoegh-Guldberg, O. Ocean warming and acidification uncouple calcification from calcifier biomass which accelerates coral reef decline. Communications Earth & Environment 1, 55 . https://doi.org/10.1038/s43247-020-00054-x
Brown K. T., Bender-Champ D., Hoegh-Guldberg, O., and Dove S. Seasonal shifts in the competitive ability of macroalgae influence the outcomes of coral-algal competition. Royal Society Open Science. https://doi.org/10.1098/rsos.201797
Martin, S.M., Brown, K.T., and Hoegh-Guldberg, O. Southernmost observation of juvenile bumphead parrotfish Bolbometopon muricatum (Valenciennes, 1840). Australian Journal of Zoology. https://doi.org/10.1071/ZO20029
Kennedy, E.V., Vercelloni, J., Neal, B.P., Ambariyanto, Bryant, D.E.P., Ganase, A., Gartrell P., Brown, K.T. et al. Coral reef community changes in Karimunjawa National Park, Indonesia: assessing the efficacy of management in the face of local and global stressors. Journal of Marine Science and Engineering. 8 (10), 760; https://doi.org/10.3390/jmse8100760
Rodriguez-Ramirez, A., González-Rivero, M., Beijbom, O., Bailhache, C., Bongaerts, P., Brown K.T., Bryant, D.E.P., Dalton, P., Dove, S., Ganase, A., Kennedy, E.V., Kim, C.J.S., Lopez-Marcano, S., Neal, B.P., Radice, V.Z., Vercelloni, J., Beyer, H.L., and Hoegh-Guldberg, O. A contemporary baseline record of the world’s coral reefs. Scientific Data 7, 355; https://doi.org/10.1038/s41597-020-00698-6
2019
Brown, K. T., Bender-Champ, D., Kenyon, T. M., Rémond, C., Hoegh-Guldberg, O., & Dove, S. Temporal effects of ocean warming and acidification on the mechanisms of coral-algal competition. Coral Reefs. https://doi.org/10.1007/s00338-019-01775-y
Brown, K.T. Can restored sea urchin populations save coral reefs from algae invasion? Limnology and Oceanography Bulletin. https://doi.org/10.1002/lob.10319
2018
Brown K.T., Bender-Champ D., Kubicek A., van de Zande R., Achlatis M., Hoegh-Guldberg O. & Dove S.D. The dynamics of coral-algal interactions in space and time on the southern Great Barrier Reef. Frontiers in Marine Science. https://doi.org/10.3389/fmars.2018.00181
Brown, K.T. The dynamics of coral-algal interactions on coral reef ecosystems. The University of Queensland. PhD thesis.
2017
Brown K. T., Bender-Champ D., Bryant D.E.P., Dove S. & Hoegh-Guldberg O. Human activities influence benthic community structure and the composition of coral-algal interactions in the central Maldives. Journal of Experimental Marine Biology and Ecology. https://doi.org/10.1016/j.jembe.2017.09.006.
Bryant D.E.P., Rodriguez-Ramirez A., Phinn S., Gonzalez-Rivero M., Brown K.T., Neal B.P., Hoegh-Guldberg O. & Dove S. Comparison of two photographic methodologies for collecting and analyzing the condition of coral reef ecosystems. Ecosphere. https://doi.org/10.1002/ecs2.1971
CONFERENCE Proceedings
2023
Brown K.T., Martynek, M., Dellaert, Z. Putnam, H., and Barott, K.L. The influence of pCO2 variability on coral resilience under global change. Association for the Sciences of Limnology and Oceanography Aquatic Sciences Meeting.
Brown K.T., Lenz, E.A., Glass, B., McClintock, R., Nelson, C., Putnam, H., and Barott, K.L. The acclimatization and sensitization of reef-building corals in response to repeat marine heatwaves. Society for Integrative and Comparative Biology 2023.
Barott, K.L., Brown K.T., Mello-Athayde, M.A., Sampayo, E. Chai, A., and Dove, S.G. Environmental memory gained from exposure to extreme pCO2 variability promotes coral cellular acid-base homeostasis resilience. Society for Integrative and Comparative Biology 2023.
2022
Brown K.T. The acclimatization and sensitization of corals in a warming ocean. Invited speaker. Ocean Global Change Biology Gordon Research Seminar (GRS). Cancelled due to COVID-19
Brown K.T., Mello-Athayde, M.A., Sampayo, E. Chai, A., Dove, S.G. and Barott, K.L. Environmental memory gained from exposure to extreme pCO2 variability promotes coral cellular acid-base homeostasis resilience. Ocean Global Change Biology Gordon Research Conference (GRC). Cancelled due to COVID-19
Brown K.T., Eyal, G., Barott, K.L. and Dove, S. Temperature variability does not promote coral resilience to marine heatwaves. Association for the Sciences of Limnology and Oceanography (ASLO) Ocean Sciences Meeting.
Radice, V.Z., Genin, A., Mello-Athayde, M., Dove, S., and Brown K.T. Physiological trade-offs to survival of recurrent marine heatwaves. Association for the Sciences of Limnology and Oceanography (ASLO) Ocean Sciences Meeting.
2021
Radice, V.Z., Fry, B., Brown, K.T., Dove, S. and Hoegh-Guldberg, O. Coral trophic strategies provide insight into atoll-wide recovery across shallow to mesophotic reefs. 14th International Coral Reef Symposium (ICRS).
2020
Brown, K.T., Hoegh-Guldberg, O. and Dove, S. Biotic mitigation of ocean acidification does not enhance net ecosystem calcification under multiple stressors. 14th International Coral Reef Symposium (ICRS). Cancelled due to COVID-19
Dove, S., Brown, K.T., van den Heuval, A., Chai, A. and Hoegh-Guldberg, O. Acidification highlights why coral cover inadequately projects coral reef futures. 14th International Coral Reef Symposium (ICRS). Cancelled due to COVID-19
2019
Dove, S., Brown, K.T., van den Heuval, A., Chai, A. and Hoegh-Guldberg, O. Acidification is critically important to any conversation regarding reef futures. Australian Coral Reef Society 89th Annual Meeting.
Brown, K.T., Bender-Champ, D., Achlatis, M., van der Zande, R., Kubicek, A., Martin, S.B., Dove, S., and Hoegh-Guldberg, O. Differential carbonate budgets shape geomorphological zones on a platform coral reef. Australian Coral Reef Society 89th Annual Meeting.
Brown, K.T., Bender-Champ, D., Achlatis, M., van der Zande, R., Kubicek, A., Martin, S.B., Dove, S., and Hoegh-Guldberg, O. Differential carbonate budgets shape geomorphological zones on a platform coral reef. Limnology and Oceanography Aquatic Sciences Meeting.
2018
Brown, K.T., Bender-Champ, D., Kubicek, A., van der Zande, R., Achlatis, M., Hoegh-Guldberg, O., and Dove, S. The dynamics of coral-algal interactions in space and time on the southern Great Barrier Reef. Australian Marine Science Association. Best student presentation award.
2017
Brown, K. T., Bender-Champ, D., Kenyon, T., Rémond, C., Hoegh-Guldberg, O., & Dove, S. Effects of ocean warming and acidification on the ecophysiology of a common coral-algal interaction. Ecological Society of America.
Bryant, D.E.P., Rodriguez-Ramirez, A., Phinn, S., González‐Rivero, M., Brown, K. T., Neal, B.P., Hoegh-Guldberg, O., & Dove, S. Comparison of methodologies for collecting and analyzing the condition of coral reef ecosystems. Australian Coral Reef Society.
Brown, K. T., Bender-Champ, D., Kenyon, T., Rémond, C., Hoegh-Guldberg, O., & Dove, S. Effects of ocean warming and acidification on the ecophysiology of a common coral-algal interaction. Australian Marine Science Association.
2016
Bender-Champ, D., Kubicek, A., Achlatis, M., van der Zande, R., Brown, K.T., Hoegh-Guldberg, O., & Dove, S. Temporal changes in the productivity and calcification of slope and lagoonal communities on a platform reef. 13th International Coral Reef Symposium.
Brown, K. T., Bender-Champ, D., Kenyon, T., Hoegh-Guldberg, O., & Dove, S. The future of competitive coral reef dynamics: effects of elevated temperatures and ocean acidification on the physiology of Acropora-Halimeda interactions. 13th International Coral Reef Symposium (ICRS).
Brown K.T., Martynek, M., Dellaert, Z. Putnam, H., and Barott, K.L. The influence of pCO2 variability on coral resilience under global change. Association for the Sciences of Limnology and Oceanography Aquatic Sciences Meeting.
Brown K.T., Lenz, E.A., Glass, B., McClintock, R., Nelson, C., Putnam, H., and Barott, K.L. The acclimatization and sensitization of reef-building corals in response to repeat marine heatwaves. Society for Integrative and Comparative Biology 2023.
Barott, K.L., Brown K.T., Mello-Athayde, M.A., Sampayo, E. Chai, A., and Dove, S.G. Environmental memory gained from exposure to extreme pCO2 variability promotes coral cellular acid-base homeostasis resilience. Society for Integrative and Comparative Biology 2023.
2022
Brown K.T. The acclimatization and sensitization of corals in a warming ocean. Invited speaker. Ocean Global Change Biology Gordon Research Seminar (GRS). Cancelled due to COVID-19
Brown K.T., Mello-Athayde, M.A., Sampayo, E. Chai, A., Dove, S.G. and Barott, K.L. Environmental memory gained from exposure to extreme pCO2 variability promotes coral cellular acid-base homeostasis resilience. Ocean Global Change Biology Gordon Research Conference (GRC). Cancelled due to COVID-19
Brown K.T., Eyal, G., Barott, K.L. and Dove, S. Temperature variability does not promote coral resilience to marine heatwaves. Association for the Sciences of Limnology and Oceanography (ASLO) Ocean Sciences Meeting.
Radice, V.Z., Genin, A., Mello-Athayde, M., Dove, S., and Brown K.T. Physiological trade-offs to survival of recurrent marine heatwaves. Association for the Sciences of Limnology and Oceanography (ASLO) Ocean Sciences Meeting.
2021
Radice, V.Z., Fry, B., Brown, K.T., Dove, S. and Hoegh-Guldberg, O. Coral trophic strategies provide insight into atoll-wide recovery across shallow to mesophotic reefs. 14th International Coral Reef Symposium (ICRS).
2020
Brown, K.T., Hoegh-Guldberg, O. and Dove, S. Biotic mitigation of ocean acidification does not enhance net ecosystem calcification under multiple stressors. 14th International Coral Reef Symposium (ICRS). Cancelled due to COVID-19
Dove, S., Brown, K.T., van den Heuval, A., Chai, A. and Hoegh-Guldberg, O. Acidification highlights why coral cover inadequately projects coral reef futures. 14th International Coral Reef Symposium (ICRS). Cancelled due to COVID-19
2019
Dove, S., Brown, K.T., van den Heuval, A., Chai, A. and Hoegh-Guldberg, O. Acidification is critically important to any conversation regarding reef futures. Australian Coral Reef Society 89th Annual Meeting.
Brown, K.T., Bender-Champ, D., Achlatis, M., van der Zande, R., Kubicek, A., Martin, S.B., Dove, S., and Hoegh-Guldberg, O. Differential carbonate budgets shape geomorphological zones on a platform coral reef. Australian Coral Reef Society 89th Annual Meeting.
Brown, K.T., Bender-Champ, D., Achlatis, M., van der Zande, R., Kubicek, A., Martin, S.B., Dove, S., and Hoegh-Guldberg, O. Differential carbonate budgets shape geomorphological zones on a platform coral reef. Limnology and Oceanography Aquatic Sciences Meeting.
2018
Brown, K.T., Bender-Champ, D., Kubicek, A., van der Zande, R., Achlatis, M., Hoegh-Guldberg, O., and Dove, S. The dynamics of coral-algal interactions in space and time on the southern Great Barrier Reef. Australian Marine Science Association. Best student presentation award.
2017
Brown, K. T., Bender-Champ, D., Kenyon, T., Rémond, C., Hoegh-Guldberg, O., & Dove, S. Effects of ocean warming and acidification on the ecophysiology of a common coral-algal interaction. Ecological Society of America.
Bryant, D.E.P., Rodriguez-Ramirez, A., Phinn, S., González‐Rivero, M., Brown, K. T., Neal, B.P., Hoegh-Guldberg, O., & Dove, S. Comparison of methodologies for collecting and analyzing the condition of coral reef ecosystems. Australian Coral Reef Society.
Brown, K. T., Bender-Champ, D., Kenyon, T., Rémond, C., Hoegh-Guldberg, O., & Dove, S. Effects of ocean warming and acidification on the ecophysiology of a common coral-algal interaction. Australian Marine Science Association.
2016
Bender-Champ, D., Kubicek, A., Achlatis, M., van der Zande, R., Brown, K.T., Hoegh-Guldberg, O., & Dove, S. Temporal changes in the productivity and calcification of slope and lagoonal communities on a platform reef. 13th International Coral Reef Symposium.
Brown, K. T., Bender-Champ, D., Kenyon, T., Hoegh-Guldberg, O., & Dove, S. The future of competitive coral reef dynamics: effects of elevated temperatures and ocean acidification on the physiology of Acropora-Halimeda interactions. 13th International Coral Reef Symposium (ICRS).
data repositories
2020
González-Rivero, M., Rodriguez-Ramirez, A., Beijbom, O., Dalton, P., Kennedy, E.V., Neal, B.P., Vercelloni, J., Bongaerts, P., Ganase, A., Bryant, D.E.P, Brown, K.T., Kim, C.J.S., Lopez-Marcano, S., Dove, S., Bailhache, C., Beyer, H.L., Hoegh-Guldberg, O.. Seaview Survey Photo-quadrat and Image Classification Dataset. The University of Queensland. Data Collection. https://doi.org/10.14264/uql.2019.930
González-Rivero, M., Rodriguez-Ramirez, A., Beijbom, O., Dalton, P., Kennedy, E.V., Neal, B.P., Vercelloni, J., Bongaerts, P., Ganase, A., Bryant, D.E.P, Brown, K.T., Kim, C.J.S., Lopez-Marcano, S., Dove, S., Bailhache, C., Beyer, H.L., Hoegh-Guldberg, O.. Seaview Survey Photo-quadrat and Image Classification Dataset. The University of Queensland. Data Collection. https://doi.org/10.14264/uql.2019.930
figure portfolio
Maximal coral thermal tolerance is found at intermediate diel temperature variability |
Study location and reef profile of Heron Island, southern Great Barrier Reef. (a) Map of the Great Barrier Reef, with an asterisk showing the location of Heron Island. Map inset details the geomorphological habitats of Heron Reef, redrawn from the data of (Phinn et al., 2012), with sampling sites indicated. (b) Reef profile showing the depth and maximum diel temperature variability across the reef sites investigated in this study.
Temperature profiles across Heron Reef from least to most thermally variable. (a) Hourly seawater temperatures were recorded from August 2015 to September 2022. Solid horizontal line indicates the region’s climatological maximum monthly mean (MMM; 27.3°C) and dashed horizontal line indicates the region’s coral bleaching threshold (MMM + 1°C; 28.3°C). (b) Diel temperature variability across September 2015–August 2016, where individual points represent each day and the black point indicates the mean across the year.
Representative images of coral genera across sites at Heron Island, southern Great Barrier Reef. Inset indicates the number of colonies collected at each site. At the Deep Lagoon and Shallow Lagoon, Acropora was absent or rare so was not evaluated.
Environmental memory gained from exposure to extreme pCO2 variability promotes coral cellular acid–base homeostasis |
a) Representative images of the reef slope at North Bommie and b) the reef flat at North Beach, Heron Island, southern Great Barrier Reef. Insets show representative Pocillopora damicornis fragments at the end of the two month experiment, demonstrating analogous phenotypic behaviour to the habitat of origin. c) Net calcification rates, d) surface area, and e) calcium carbonate (CaCO3) density by treatment and origin, displayed as means ±SE. Insets indicate statistical significance (*p <0.05, **p < 0.001, ***p < 0.0001) of individual and interactive effects for origin (O) and treatment (T) as determined from linear mixed effects models.
a) Intracellular pH (pHi) of cells from Pocillopora damicornis corals following exposure to acidified seawater (pHe 7.4) for non-symbiocytes (top) and symbiocytes (bottom) over time by cell type. Insets show the fluorescence micrograph of cells lacking microalgal endosymbionts and containing microalgal endosymbionts loaded with SNARF-1 AM (orange; endosymbiont autofluorescence is indicated in red). b) The initial change in pHi in response to acidification stress (acidification magnitude; ΔpHi15-0) by treatment, origin and cell type. c) The rate of pHi recovery (pH min-1) by origin and cell type. Statistical significance (*p < 0.05, **p < 0.001, ***p < 0.0001) is displayed for individual and interactive effects for time (Ti), origin (O), treatment (T), and cell type (C) as determined from linear mixed effects models. All data are displayed as means ±SE.
Divergent recovery trajectories in reef-building corals following a decade of successive marine heatwaves |
Temperature profile and heat stress accumulation over time. In situ temperatures were recorded from January 2014 – April 2023 at a depth of 0.7 – 2.7 m in Kāne‘ohe Bay. Points indicate hourly measurements (metadata in Table S1). Heat stress accumulation was estimated by degree heating weeks (gray shading) calculated from mean daily (24 hr) temperatures. Black arrows indicate image collection and gray arrows indicate image collection/physiological sampling. Dashed horizontal line indicates the Kāne‘ohe Bay’s climatological maximum monthly mean (MMM; 27.3°C) and solid horizontal line indicates the local coral bleaching threshold (MMM+1°C; 28.3°C).
Physiological response of bleaching-resistant and bleaching-susceptible corals over time. (a) Host total tissue biomass (ash-free dry weight), (b) host soluble protein density, (c) host lipid density, (d) calcium carbonate (CaCO3) density, (e) endosymbiont cell density, (f) chlorophyll-a concentration, (g) host total antioxidant capacity (TAC), (h) host melanin content, (i) host prophenoloxidase (PPO) activity, (j) maximum photosynthetic rates, (k) light-enhanced dark respiration rates, and (l) photosynthesis to respiration ratios (P:R) for bleaching-susceptible and bleaching-resistant Monitpora capitata and Porites compressa. Grey shading indicates seasonal peak temperatures (i.e., September–October), with a dashed red rectangle representing the 2019 marine heatwave.
Variation in heat tolerance across bleaching-susceptible and bleaching-resistant corals from experimental heat stress assay. (a) Recorded hourly temperature measurements of the controlled experimental heat stress assays (amb = ambient temperature of 27.7°C), with an arrow indicating when dark-adapted photochemical yield (Fv/Fm) and color score were determined. (b) Respective images of coral fragments during the short-term heat stress. Three-parameter log-logistic dose–response curves were fitted to (c) Fv/Fm measurements (± 95% CI) and (d) color score measurements (± 50% CI) in response to temperature for Montipora capitata and Porites compressa, where points indicate individual measures for coral genets (n = 10) in each treatment. Dashed vertical lines indicate the mean effective dose 50 (ED50) for each phenotype, with the standard error indicated by the shaded regions based on individual curve fits for each coral genet. Photochemical yield ED50s for each coral/phenotype were: 36.1°C M. capitata (susceptible), 36.6°C M. capitata (resistant), 37.2°C P. compressa (susceptible), 37.3°C P. compressa (resistant). Color score ED50s for each coral/phenotype were: 34.2°C M. capitata (susceptible), 34.5°C M. capitata (resistant), 34.6°C P. compressa (susceptible), 34.4°C P. compressa (resistant).
Ocean warming and acidification uncouple calcification from calcifier biomass which accelerates coral reef decline |
a Integrated 24-h net ecosystem calcification rates indicate strong seasonal variation. Benthic cover was determined from weekly photographs across the 18-month experimental period for: b Live hard coral (Acropora, Montipora, Fungia, Lobophyllia, Porites, Platygyra, Seriatopora, and Stylophora), c Bleached hard coral, d Calcifying macroalgae (crustose coralline algae, Halimeda), e Other macroalgae (i.e., Lobophora, Caulerpa), and f turf algae and cyanobacteria. All lines are means ± standard error. Dashed vertical line indicates the start of sampling period.
a Three-dimensional graphic output of the significant interaction between temperature and pCO2 as predictors of daytime net ecosystem calcification (NEC) rates. b Relationship between daytime NEC and the cover of calcifying organisms for the best model at mean temperature and pCO2, shaded zone represents 95% confidence interval. c Three-dimensional graphic output of the significant interaction between temperature and aragonite saturation state (ΩAr) as predictors of nighttime NEC rates. Cover of calcifying organisms includes hard coral and calcifying macroalgae.
Fine-scale heterogeneity reveals disproportionate thermal stress and coral mortality in thermally variable reef habitats during a marine heatwave |
Hard coral abundance by site and year across Heron Reef. Cross section of Heron Reef indicating each site and mean depth (m). Map shading represents geomorphological habitats, redrawn from the data of Phinn et al. 2012. Hard coral cover is displayed by functional group, with inset showing total coral cover (% ± SE; n = 3). Asterisks (*) indicate where there are significant (p < 0.05) differences within categories. ACR-B, Acroporidae- branching; ARC-TCD, Acroporidae- tabular/corymbose/digitate; ACR-PE, Acroporidae- plating/encrusting; POCI, Pocilloporidae; FAV-LOB, Faviidae-Lobophyllidae; POR-M, Poritidae-massive; POR-B, Poritidae-branching; POR-PE, Poritidae-encrusting/plating varieties; and OTHER, other hard corals (including non-scleractinian corals)
Temperature profiles and representative images from thermally stable and thermally variable habitats across Heron Reef. Images show coral communities before thermal stress (November 2015), during the peak of the marine heatwave (March 2020) and five months after the marine heatwave (August 2020). In situ temperature profiles and heat stress accumulation recorded from September 2015–August 2016 and September 2019–August 2020 at four sites across Heron Reef: (A) Thermally stable reef slope at 5 m depth (Harry’s Bommie 5 m), (B) thermally stable reef slope 8 m depth (Harry’s Bommie 8 m), (C) thermally variable reef flat and (D) thermally variable shallow lagoon. Points indicate hourly measurements and solid black lines indicate mean daily temperatures. Heat stress accumulation (gray shading) was estimated by degree heating weeks (solid gray line) calculated from mean daily temperatures. Degree heating weeks were not calculated for (B) in 2019–2020 due to an incomplete record. Solid horizontal line indicates the region’s climatological maximum monthly mean (MMM; 27.3 °C) and dashed horizontal line indicates the region’s coral bleaching threshold (MMM + 1 °C; 28.3 °C). Insets show mean daily temperature amplitude (°C ± SE). Image credit: Before, After: Kristen Brown; During: Aaron Chai
Relative change in benthic cover across thermally stable and variable sites. (A) Relative change (%) in cover between 2015 and 2016. (B) Relative change in cover between 2016 and 2020. Benthic categories are displayed at the top of the Figure: hard coral (includes bleached coral); algae; and recently dead coral (includes coral rubble)