Latitudinal limits to the predicted increase of the peatland carbon sink with warming

A. Gallego-Sala; Dan J. Charman; Simon Brewer; Susan  Page; I Colin Prentice; Pierre Friedlingstein; Steve Moreton; Matthew J. Amesbury; David W.  Beilman; S. Bjorck; Tatiana Blyakharchuk; Christopher Bochicchio; Robert K Booth; J Bunbury; Philip Camill; Donna Carless; Rodney A. Chimner; Michael  Clifford; Elizabeth Cressey; Colin John Courtney-Mustaphi; F. De Vleeschouwer; Rixt de Jong; Barbara Fialkiewicz-Koziel; S Finkelstein; M Garneau; Esther Githumbi; John Hribjlan; James Holmquist; Paul D M Hughes; Chris Jones; Miriam C.  Jones; Edgar Karofeld; Eric S.  Klein; Ulla Kokfelt; Atte Korhola; Terri Lacourse; Gael Le Roux; Mariusz  Lamentowicz; David Large; Martin Lavoie; J Loisel; Helen Mackay; Glen MacDonald; Markku Makila; Gabriel Magnan; Robert Marchant; Katarzyna Marcisz; Antonio Martínez-Cortizas; Charly Massa; Paul Mathijssen; Dmitri Mauquoy; Timothy Mighall; Fraser J. G. Mitchell; Patrick Moss; Jonathan Nichols; POK Oksanen; Lisa Orme; Maara S.  Packalen; Stephen J Robinson; Thomas P Roland; Nicole K.  Sanderson; A. Britta K.  Sannel; Noemí Silva-Sánchez; Natascha Steinberg; Graeme T. Swindles; T. Edward Turner; Joanna Uglow; Minna Väliranta; Simon Van Bellen; Marjolein van der Linden; Bas van Geel; Guoping Wang; Zicheng Yu; Joana Zaragoza-Castells; Yan Zhao

doi:10.1038/s41558-018-0271-1

Latitudinal limits to the predicted increase of the peatland carbon sink with warming

A. Gallego-Sala, Dan J. Charman, Simon Brewer, Susan Page, I Colin Prentice, Pierre Friedlingstein, Steve Moreton, Matthew J. Amesbury, David W. Beilman, S. Bjorck, Tatiana Blyakharchuk, Christopher Bochicchio, Robert K Booth, J Bunbury, Philip Camill, Donna Carless, Rodney A. Chimner, Michael Clifford, Elizabeth Cressey, Colin John Courtney-MustaphiF. De Vleeschouwer, Rixt de Jong, Barbara Fialkiewicz-Koziel, S Finkelstein, M Garneau, Esther Githumbi, John Hribjlan, James Holmquist, Paul D M Hughes, Chris Jones, Miriam C. Jones, Edgar Karofeld, Eric S. Klein, Ulla Kokfelt, Atte Korhola, Terri Lacourse, Gael Le Roux, Mariusz Lamentowicz, David Large, Martin Lavoie, J Loisel, Helen Mackay, Glen MacDonald, Markku Makila, Gabriel Magnan, Robert Marchant, Katarzyna Marcisz, Antonio Martínez-Cortizas, Charly Massa, Paul Mathijssen, Dmitri Mauquoy, Timothy Mighall, Fraser J. G. Mitchell, Patrick Moss, Jonathan Nichols, POK Oksanen, Lisa Orme, Maara S. Packalen, Stephen J Robinson, Thomas P Roland, Nicole K. Sanderson, A. Britta K. Sannel, Noemí Silva-Sánchez, Natascha Steinberg, Graeme T. Swindles, T. Edward Turner, Joanna Uglow, Minna Väliranta, Simon Van Bellen, Marjolein van der Linden, Bas van Geel, Guoping Wang, Zicheng Yu, Joana Zaragoza-Castells, Yan Zhao

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

Abstract

The carbon sink potential of peatlands depends on the balance of carbon uptake by plants and microbial decomposition. The rates of both these processes will increase with warming but it remains unclear which will dominate the global peatland response. Here we examine the global relationship between peatland carbon accumulation rates during the last millennium and planetary-scale climate space. A positive relationship is found between carbon accumulation and cumulative photosynthetically active radiation during the growing season for mid- to high-latitude peatlands in both hemispheres. However, this relationship reverses at lower latitudes, suggesting that carbon accumulation is lower under the warmest climate regimes. Projections under Representative Concentration Pathway (RCP)2.6 and RCP8.5 scenarios indicate that the present-day global sink will increase slightly until around ad 2100 but decline thereafter. Peatlands will remain a carbon sink in the future, but their response to warming switches from a negative to a positive climate feedback (decreased carbon sink with warming) at the end of the twenty-first century.

Original language	English
Pages (from-to)	907-913
Number of pages	7
Journal	Nature Climate Change
Volume	8
Issue number	10
Early online date	10 Sept 2018
DOIs	https://doi.org/10.1038/s41558-018-0271-1
Publication status	Published - 1 Oct 2018

Bibliographical note

© 2018, Springer Nature. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details

Keywords

peatlands, carbon cycle, climate change, tropical peat, last millennium

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Gallego-Sala, A., Charman, D. J., Brewer, S., Page, S., Prentice, I. C., Friedlingstein, P., Moreton, S., Amesbury, M. J., Beilman, D. W., Bjorck, S., Blyakharchuk, T., Bochicchio, C., Booth, R. K., Bunbury, J., Camill, P., Carless, D., Chimner, R. A., Clifford, M., Cressey, E., ... Zhao, Y. (2018). Latitudinal limits to the predicted increase of the peatland carbon sink with warming. Nature Climate Change, 8(10), 907-913. https://doi.org/10.1038/s41558-018-0271-1

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abstract = "The carbon sink potential of peatlands depends on the balance of carbon uptake by plants and microbial decomposition. The rates of both these processes will increase with warming but it remains unclear which will dominate the global peatland response. Here we examine the global relationship between peatland carbon accumulation rates during the last millennium and planetary-scale climate space. A positive relationship is found between carbon accumulation and cumulative photosynthetically active radiation during the growing season for mid- to high-latitude peatlands in both hemispheres. However, this relationship reverses at lower latitudes, suggesting that carbon accumulation is lower under the warmest climate regimes. Projections under Representative Concentration Pathway (RCP)2.6 and RCP8.5 scenarios indicate that the present-day global sink will increase slightly until around ad 2100 but decline thereafter. Peatlands will remain a carbon sink in the future, but their response to warming switches from a negative to a positive climate feedback (decreased carbon sink with warming) at the end of the twenty-first century.",

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T1 - Latitudinal limits to the predicted increase of the peatland carbon sink with warming

AU - Gallego-Sala, A.

AU - Charman, Dan J.

AU - Brewer, Simon

AU - Page, Susan

AU - Prentice, I Colin

AU - Friedlingstein, Pierre

AU - Moreton, Steve

AU - Amesbury, Matthew J.

AU - Beilman, David W.

AU - Bjorck, S.

AU - Blyakharchuk, Tatiana

AU - Bochicchio, Christopher

AU - Booth, Robert K

AU - Bunbury, J

AU - Camill, Philip

AU - Carless, Donna

AU - Chimner, Rodney A.

AU - Clifford, Michael

AU - Cressey, Elizabeth

AU - Courtney-Mustaphi, Colin John

AU - De Vleeschouwer, F.

AU - de Jong, Rixt

AU - Fialkiewicz-Koziel, Barbara

AU - Finkelstein, S

AU - Garneau, M

AU - Githumbi, Esther

AU - Hribjlan, John

AU - Holmquist, James

AU - Hughes, Paul D M

AU - Jones, Chris

AU - Jones, Miriam C.

AU - Karofeld, Edgar

AU - Klein, Eric S.

AU - Kokfelt, Ulla

AU - Korhola, Atte

AU - Lacourse, Terri

AU - Le Roux, Gael

AU - Lamentowicz, Mariusz

AU - Large, David

AU - Lavoie, Martin

AU - Loisel, J

AU - Mackay, Helen

AU - MacDonald, Glen

AU - Makila, Markku

AU - Magnan, Gabriel

AU - Marchant, Robert

AU - Marcisz, Katarzyna

AU - Martínez-Cortizas, Antonio

AU - Massa, Charly

AU - Mathijssen, Paul

AU - Mauquoy, Dmitri

AU - Mighall, Timothy

AU - Mitchell, Fraser J. G.

AU - Moss, Patrick

AU - Nichols, Jonathan

AU - Oksanen, POK

AU - Orme, Lisa

AU - Packalen, Maara S.

AU - Robinson, Stephen J

AU - Roland, Thomas P

AU - Sanderson, Nicole K.

AU - Sannel, A. Britta K.

AU - Silva-Sánchez, Noemí

AU - Steinberg, Natascha

AU - Swindles, Graeme T.

AU - Turner, T. Edward

AU - Uglow, Joanna

AU - Väliranta, Minna

AU - Van Bellen, Simon

AU - van der Linden, Marjolein

AU - van Geel, Bas

AU - Wang, Guoping

AU - Yu, Zicheng

AU - Zaragoza-Castells, Joana

AU - Zhao, Yan

N1 - © 2018, Springer Nature. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details

PY - 2018/10/1

Y1 - 2018/10/1

N2 - The carbon sink potential of peatlands depends on the balance of carbon uptake by plants and microbial decomposition. The rates of both these processes will increase with warming but it remains unclear which will dominate the global peatland response. Here we examine the global relationship between peatland carbon accumulation rates during the last millennium and planetary-scale climate space. A positive relationship is found between carbon accumulation and cumulative photosynthetically active radiation during the growing season for mid- to high-latitude peatlands in both hemispheres. However, this relationship reverses at lower latitudes, suggesting that carbon accumulation is lower under the warmest climate regimes. Projections under Representative Concentration Pathway (RCP)2.6 and RCP8.5 scenarios indicate that the present-day global sink will increase slightly until around ad 2100 but decline thereafter. Peatlands will remain a carbon sink in the future, but their response to warming switches from a negative to a positive climate feedback (decreased carbon sink with warming) at the end of the twenty-first century.

AB - The carbon sink potential of peatlands depends on the balance of carbon uptake by plants and microbial decomposition. The rates of both these processes will increase with warming but it remains unclear which will dominate the global peatland response. Here we examine the global relationship between peatland carbon accumulation rates during the last millennium and planetary-scale climate space. A positive relationship is found between carbon accumulation and cumulative photosynthetically active radiation during the growing season for mid- to high-latitude peatlands in both hemispheres. However, this relationship reverses at lower latitudes, suggesting that carbon accumulation is lower under the warmest climate regimes. Projections under Representative Concentration Pathway (RCP)2.6 and RCP8.5 scenarios indicate that the present-day global sink will increase slightly until around ad 2100 but decline thereafter. Peatlands will remain a carbon sink in the future, but their response to warming switches from a negative to a positive climate feedback (decreased carbon sink with warming) at the end of the twenty-first century.

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VL - 8

SP - 907

EP - 913

JO - Nature Climate Change

JF - Nature Climate Change

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ER -

Latitudinal limits to the predicted increase of the peatland carbon sink with warming

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