Past and future decline of tropical pelagic biodiversity

Moriaki Yasuhara; Chih Lin Wei; Michal Kucera; Mark J. Costello; Derek P. Tittensor; Wolfgang Kiessling; Timothy C. Bonebrake; Clay R. Tabor; Ran Feng; Andrés Baselga; Kerstin Kretschmer; Buntarou Kusumoto; Yasuhiro Kubota

doi:10.1073/pnas.1916923117

Past and future decline of tropical pelagic biodiversity

Moriaki Yasuhara, Chih Lin Wei, Michal Kucera, Mark J. Costello, Derek P. Tittensor, Wolfgang Kiessling, Timothy C. Bonebrake, Clay R. Tabor, Ran Feng, Andrés Baselga, Kerstin Kretschmer, Buntarou Kusumoto, Yasuhiro Kubota

Medicine

Research output: Contribution to journal › Article › peer-review

81 Citations (Scopus)

Abstract

A major research question concerning global pelagic biodiversity remains unanswered: when did the apparent tropical biodiversity depression (i.e., bimodality of latitudinal diversity gradient [LDG]) begin? The bimodal LDG may be a consequence of recent ocean warming or of deep-time evolutionary speciation and extinction processes. Using rich fossil datasets of planktonic foraminifers, we show here that a unimodal (or only weakly bimodal) diversity gradient, with a plateau in the tropics, occurred during the last ice age and has since then developed into a bimodal gradient through species distribution shifts driven by postglacial ocean warming. The bimodal LDG likely emerged before the Anthropocene and industrialization, and perhaps ∼15,000 y ago, indicating a strong environmental control of tropical diversity even before the start of anthropogenic warming. However, our model projections suggest that future anthropogenic warming further diminishes tropical pelagic diversity to a level not seen in millions of years.

Original language	English
Pages (from-to)	12891-12896
Number of pages	6
Journal	Proceedings of the National Academy of Sciences of the United States of America
Volume	117
Issue number	23
DOIs	https://doi.org/10.1073/pnas.1916923117
Publication status	Published - Jun 9 2020

Bibliographical note

Funding Information:
ACKNOWLEDGMENTS. We thank Michael Siccha for helping with the foraminiferal dataset and the editors and three anonymous reviewers for constructive comments. This project is supported by bioDISCOVERY, Future Earth. The work described in this paper was partially supported by Research Grants Council of the Hong Kong Special Administrative Region, China, Projects HKU 17302518, HKU 17303115, and HKU 17311316; Seed Funding Programme for Basic Research of the University of Hong Kong, Projects 201611159053 and 201711159057; Faculty of Science RAE Improvement Fund of the University of Hong Kong (to M.Y.); Ministry of Science Technology Taiwan, Project 108-2611-M-002-001 (to C.-L.W.); the Program for Advancing Strategic International Networks to Accelerate the Circulation of Talented Researchers, the Japan Society for the Promotion of Science (to Y.K.); Deutsche Forschungsgemeinschaft, Projects KI 806/16-1 and FOR 2332 (to W.K.); Deutsche Forschungsgemeinschaft, Germany’s Excellence Strategy, EXC-2077, Project 390741603 (to M.K.); and the Jarislowsky Foundation (to D.P.T.).

Funding Information:
We thank Michael Siccha for helping with the foraminiferal dataset and the editors and three anonymous reviewers for constructive comments. This project is supported by bioDISCOVERY, Future Earth. The work described in this paper was partially supported by Research Grants Council of the Hong Kong Special Administrative Region, China, Projects HKU 17302518, HKU 17303115, and HKU 17311316; Seed Funding Programme for Basic Research of the University of Hong Kong, Projects 201611159053 and 201711159057; Faculty of Science RAE Improvement Fund of the University of Hong Kong (to M.Y.); Ministry of Science Technology Taiwan, Project 108-2611-M-002-001 (to C.-L.W.); the Program for Advancing Strategic International Networks to Accelerate the Circulation of Talented Researchers, the Japan Society for the Promotion of Science (to Y.K.); Deutsche Forschungsgemeinschaft, Projects KI 806/16-1 and FOR 2332 (to W.K.); Deutsche Forschungsgemeinschaft, Germany?s Excellence Strategy, EXC-2077, Project 390741603 (to M.K.); and the Jarislowsky Foundation (to D.P.T.).

Publisher Copyright:
© 2020 National Academy of Sciences. All rights reserved.

ASJC Scopus Subject Areas

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PubMed: MeSH publication types

Journal Article
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Cite this

Yasuhara, M., Wei, C. L., Kucera, M., Costello, M. J., Tittensor, D. P., Kiessling, W., Bonebrake, T. C., Tabor, C. R., Feng, R., Baselga, A., Kretschmer, K., Kusumoto, B., & Kubota, Y. (2020). Past and future decline of tropical pelagic biodiversity. Proceedings of the National Academy of Sciences of the United States of America, 117(23), 12891-12896. https://doi.org/10.1073/pnas.1916923117

Yasuhara, M, Wei, CL, Kucera, M, Costello, MJ, Tittensor, DP, Kiessling, W, Bonebrake, TC, Tabor, CR, Feng, R, Baselga, A, Kretschmer, K, Kusumoto, B & Kubota, Y 2020, 'Past and future decline of tropical pelagic biodiversity', Proceedings of the National Academy of Sciences of the United States of America, vol. 117, no. 23, pp. 12891-12896. https://doi.org/10.1073/pnas.1916923117

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abstract = "A major research question concerning global pelagic biodiversity remains unanswered: when did the apparent tropical biodiversity depression (i.e., bimodality of latitudinal diversity gradient [LDG]) begin? The bimodal LDG may be a consequence of recent ocean warming or of deep-time evolutionary speciation and extinction processes. Using rich fossil datasets of planktonic foraminifers, we show here that a unimodal (or only weakly bimodal) diversity gradient, with a plateau in the tropics, occurred during the last ice age and has since then developed into a bimodal gradient through species distribution shifts driven by postglacial ocean warming. The bimodal LDG likely emerged before the Anthropocene and industrialization, and perhaps ∼15,000 y ago, indicating a strong environmental control of tropical diversity even before the start of anthropogenic warming. However, our model projections suggest that future anthropogenic warming further diminishes tropical pelagic diversity to a level not seen in millions of years.",

author = "Moriaki Yasuhara and Wei, {Chih Lin} and Michal Kucera and Costello, {Mark J.} and Tittensor, {Derek P.} and Wolfgang Kiessling and Bonebrake, {Timothy C.} and Tabor, {Clay R.} and Ran Feng and Andr{\'e}s Baselga and Kerstin Kretschmer and Buntarou Kusumoto and Yasuhiro Kubota",

note = "Funding Information: ACKNOWLEDGMENTS. We thank Michael Siccha for helping with the foraminiferal dataset and the editors and three anonymous reviewers for constructive comments. This project is supported by bioDISCOVERY, Future Earth. The work described in this paper was partially supported by Research Grants Council of the Hong Kong Special Administrative Region, China, Projects HKU 17302518, HKU 17303115, and HKU 17311316; Seed Funding Programme for Basic Research of the University of Hong Kong, Projects 201611159053 and 201711159057; Faculty of Science RAE Improvement Fund of the University of Hong Kong (to M.Y.); Ministry of Science Technology Taiwan, Project 108-2611-M-002-001 (to C.-L.W.); the Program for Advancing Strategic International Networks to Accelerate the Circulation of Talented Researchers, the Japan Society for the Promotion of Science (to Y.K.); Deutsche Forschungsgemeinschaft, Projects KI 806/16-1 and FOR 2332 (to W.K.); Deutsche Forschungsgemeinschaft, Germany{\textquoteright}s Excellence Strategy, EXC-2077, Project 390741603 (to M.K.); and the Jarislowsky Foundation (to D.P.T.). Funding Information: We thank Michael Siccha for helping with the foraminiferal dataset and the editors and three anonymous reviewers for constructive comments. This project is supported by bioDISCOVERY, Future Earth. The work described in this paper was partially supported by Research Grants Council of the Hong Kong Special Administrative Region, China, Projects HKU 17302518, HKU 17303115, and HKU 17311316; Seed Funding Programme for Basic Research of the University of Hong Kong, Projects 201611159053 and 201711159057; Faculty of Science RAE Improvement Fund of the University of Hong Kong (to M.Y.); Ministry of Science Technology Taiwan, Project 108-2611-M-002-001 (to C.-L.W.); the Program for Advancing Strategic International Networks to Accelerate the Circulation of Talented Researchers, the Japan Society for the Promotion of Science (to Y.K.); Deutsche Forschungsgemeinschaft, Projects KI 806/16-1 and FOR 2332 (to W.K.); Deutsche Forschungsgemeinschaft, Germany?s Excellence Strategy, EXC-2077, Project 390741603 (to M.K.); and the Jarislowsky Foundation (to D.P.T.). Publisher Copyright: {\textcopyright} 2020 National Academy of Sciences. All rights reserved.",

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AU - Kusumoto, Buntarou

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Past and future decline of tropical pelagic biodiversity

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Bibliographical note

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PubMed: MeSH publication types

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