Coral mass spawning predicted by rapid seasonal rise in ocean temperature

Sally A. Keith; Jeffrey A. Maynard; Alasdair J. Edwards; James R. Guest; Andrew G. Bauman; Ruben van Hooidonk; Scott F. Heron; Michael L. Berumen; Jessica Bouwmeester; Srisakul Piromvaragorn; Carsten Rahbek; Andrew H. Baird

doi:10.1098/rspb.2016.0011

Coral mass spawning predicted by rapid seasonal rise in ocean temperature

Sally A. Keith, Jeffrey A. Maynard, Alasdair J. Edwards, James R. Guest, Andrew G. Bauman, Ruben van Hooidonk, Scott F. Heron, Michael L. Berumen, Jessica Bouwmeester, Srisakul Piromvaragorn, Carsten Rahbek, Andrew H. Baird

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Abstract

Coral spawning times have been linked to multiple environmental factors; however, to what extent these factors act as generalized cues across multiple species and large spatial scales is unknown. We used a unique dataset of coral spawning from 34 reefs in the Indian and Pacific Oceans to test if month of spawning and peak spawning month in assemblages of Acropora spp. can be predicted by sea surface temperature (SST), photosynthetically available radiation, wind speed, current speed, rainfall or sunset time. Contrary to the classic view that high mean SST initiates coral spawning, we found rapid increases in SST to be the best predictor in both cases (month of spawning: R2 = 0.73, peak: R2 = 0.62). Our findings suggest that a rapid increase in SST provides the dominant proximate cue for coral mass spawning over large geographical scales. We hypothesize that coral spawning is ultimately timed to ensure optimal fertilization success.

Original language	English (US)
Pages (from-to)	20160011
Journal	Proceedings of the Royal Society B: Biological Sciences
Volume	283
Issue number	1830
DOIs	https://doi.org/10.1098/rspb.2016.0011
State	Published - May 11 2016

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: We are grateful for funding support from VILLUM FONDEN (S.A.K., grant no. 10114), the Danish National Research Foundation for support to the Center for Macroecology, Evolution and Climate (S.A.K., C.R., grant no. DNRF96), the Australian Research Council Centre of Excellence for Coral Reef Studies (A.G.B., S.A.K.), the European Research Commission Marie Curie Actions programme (J.A.M.), the King Abdullah University of Science and Technology (M.L.B.) and NOAA Coral Reef Conservation Program (S.F.H. and R.v.H.).

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Keith, S. A., Maynard, J. A., Edwards, A. J., Guest, J. R., Bauman, A. G., van Hooidonk, R., Heron, S. F., Berumen, M. L., Bouwmeester, J., Piromvaragorn, S., Rahbek, C., & Baird, A. H. (2016). Coral mass spawning predicted by rapid seasonal rise in ocean temperature. Proceedings of the Royal Society B: Biological Sciences, 283(1830), 20160011. https://doi.org/10.1098/rspb.2016.0011

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title = "Coral mass spawning predicted by rapid seasonal rise in ocean temperature",

abstract = "Coral spawning times have been linked to multiple environmental factors; however, to what extent these factors act as generalized cues across multiple species and large spatial scales is unknown. We used a unique dataset of coral spawning from 34 reefs in the Indian and Pacific Oceans to test if month of spawning and peak spawning month in assemblages of Acropora spp. can be predicted by sea surface temperature (SST), photosynthetically available radiation, wind speed, current speed, rainfall or sunset time. Contrary to the classic view that high mean SST initiates coral spawning, we found rapid increases in SST to be the best predictor in both cases (month of spawning: R2 = 0.73, peak: R2 = 0.62). Our findings suggest that a rapid increase in SST provides the dominant proximate cue for coral mass spawning over large geographical scales. We hypothesize that coral spawning is ultimately timed to ensure optimal fertilization success.",

author = "Keith, {Sally A.} and Maynard, {Jeffrey A.} and Edwards, {Alasdair J.} and Guest, {James R.} and Bauman, {Andrew G.} and {van Hooidonk}, Ruben and Heron, {Scott F.} and Berumen, {Michael L.} and Jessica Bouwmeester and Srisakul Piromvaragorn and Carsten Rahbek and Baird, {Andrew H.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: We are grateful for funding support from VILLUM FONDEN (S.A.K., grant no. 10114), the Danish National Research Foundation for support to the Center for Macroecology, Evolution and Climate (S.A.K., C.R., grant no. DNRF96), the Australian Research Council Centre of Excellence for Coral Reef Studies (A.G.B., S.A.K.), the European Research Commission Marie Curie Actions programme (J.A.M.), the King Abdullah University of Science and Technology (M.L.B.) and NOAA Coral Reef Conservation Program (S.F.H. and R.v.H.).",

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AU - Bauman, Andrew G.

AU - van Hooidonk, Ruben

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AU - Berumen, Michael L.

AU - Bouwmeester, Jessica

AU - Piromvaragorn, Srisakul

AU - Rahbek, Carsten

AU - Baird, Andrew H.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: We are grateful for funding support from VILLUM FONDEN (S.A.K., grant no. 10114), the Danish National Research Foundation for support to the Center for Macroecology, Evolution and Climate (S.A.K., C.R., grant no. DNRF96), the Australian Research Council Centre of Excellence for Coral Reef Studies (A.G.B., S.A.K.), the European Research Commission Marie Curie Actions programme (J.A.M.), the King Abdullah University of Science and Technology (M.L.B.) and NOAA Coral Reef Conservation Program (S.F.H. and R.v.H.).

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N2 - Coral spawning times have been linked to multiple environmental factors; however, to what extent these factors act as generalized cues across multiple species and large spatial scales is unknown. We used a unique dataset of coral spawning from 34 reefs in the Indian and Pacific Oceans to test if month of spawning and peak spawning month in assemblages of Acropora spp. can be predicted by sea surface temperature (SST), photosynthetically available radiation, wind speed, current speed, rainfall or sunset time. Contrary to the classic view that high mean SST initiates coral spawning, we found rapid increases in SST to be the best predictor in both cases (month of spawning: R2 = 0.73, peak: R2 = 0.62). Our findings suggest that a rapid increase in SST provides the dominant proximate cue for coral mass spawning over large geographical scales. We hypothesize that coral spawning is ultimately timed to ensure optimal fertilization success.

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Coral mass spawning predicted by rapid seasonal rise in ocean temperature

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