Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming
| openaire: EC/H2020/819202/EU//SOS.aquaterra As global temperatures continue to rise, a key uncertainty of climate projections is the microbial decomposition of vast organic carbon stocks in thawing permafrost soils. Decomposition rates can accelerate up to fourfold in the presence of plant roots,...
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ftaaltouniv:oai:aaltodoc.aalto.fi:123456789/45714 2024-04-28T08:10:40+00:00 Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming Keuper, Frida Wild, Birgit Kummu, Matti Beer, Christian Blume-Werry, Gesche Fontaine, Sébastien Gavazov, Konstantin Gentsch, Norman Guggenberger, Georg Hugelius, Gustaf Jalava, Mika Koven, Charles Krab, Eveline J. Kuhry, Peter Monteux, Sylvain Richter, Andreas Shahzad, Tanvir Weedon, James T. Dorrepaal, Ellen Department of Built Environment Water and Environmental Eng. Umeå University Stockholm University Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, science Leibniz Universität Hannover Lawrence Berkeley National Laboratory University of Vienna Government College University Faisalabad Vrije Universiteit Amsterdam Aalto-yliopisto Aalto University 2020-08-01 application/pdf https://aaltodoc.aalto.fi/handle/123456789/45714 https://doi.org/10.1038/s41561-020-0607-0 en eng Nature Publishing Group info:eu-repo/grantAgreement/EC/H2020/819202/EU//SOS.aquaterra NATURE GEOSCIENCE Keuper, F, Wild, B, Kummu, M, Beer, C, Blume-Werry, G, Fontaine, S, Gavazov, K, Gentsch, N, Guggenberger, G, Hugelius, G, Jalava, M, Koven, C, Krab, E J, Kuhry, P, Monteux, S, Richter, A, Shahzad, T, Weedon, J T & Dorrepaal, E 2020, ' Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming ', NATURE GEOSCIENCE, vol. 13, no. 8, pp. 560-565 . https://doi.org/10.1038/s41561-020-0607-0 1752-0894 PURE UUID: fd583bfb-bab1-4d67-b268-8a44ac4c1490 PURE ITEMURL: https://research.aalto.fi/en/publications/fd583bfb-bab1-4d67-b268-8a44ac4c1490 PURE LINK: http://www.scopus.com/inward/record.url?scp=85088262039&partnerID=8YFLogxK PURE FILEURL: https://research.aalto.fi/files/55495882/ENG_Keuper_et_al_Carbon_loss_from_northern_Nature_Geoscience.pdf https://aaltodoc.aalto.fi/handle/123456789/45714 URN:NBN:fi:aalto-202008124728 doi:10.1038/s41561-020-0607-0 openAccess A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä 2020 ftaaltouniv https://doi.org/10.1038/s41561-020-0607-0 2024-04-10T00:21:31Z | openaire: EC/H2020/819202/EU//SOS.aquaterra As global temperatures continue to rise, a key uncertainty of climate projections is the microbial decomposition of vast organic carbon stocks in thawing permafrost soils. Decomposition rates can accelerate up to fourfold in the presence of plant roots, and this mechanism—termed the rhizosphere priming effect—may be especially relevant to thawing permafrost soils as rising temperatures also stimulate plant productivity in the Arctic. However, priming is currently not explicitly included in any model projections of future carbon losses from the permafrost area. Here, we combine high-resolution spatial and depth-resolved datasets of key plant and permafrost properties with empirical relationships of priming effects from living plants on microbial respiration. We show that rhizosphere priming amplifies overall soil respiration in permafrost-affected ecosystems by ~12%, which translates to a priming-induced absolute loss of ~40 Pg soil carbon from the northern permafrost area by 2100. Our findings highlight the need to include fine-scale ecological interactions in order to accurately predict large-scale greenhouse gas emissions, and suggest even tighter restrictions on the estimated 200 Pg anthropogenic carbon emission budget to keep global warming below 1.5 °C. Peer reviewed Article in Journal/Newspaper Arctic Global warming permafrost Aalto University Publication Archive (Aaltodoc) Nature Geoscience 13 8 560 565 |
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Open Polar |
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Aalto University Publication Archive (Aaltodoc) |
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ftaaltouniv |
language |
English |
description |
| openaire: EC/H2020/819202/EU//SOS.aquaterra As global temperatures continue to rise, a key uncertainty of climate projections is the microbial decomposition of vast organic carbon stocks in thawing permafrost soils. Decomposition rates can accelerate up to fourfold in the presence of plant roots, and this mechanism—termed the rhizosphere priming effect—may be especially relevant to thawing permafrost soils as rising temperatures also stimulate plant productivity in the Arctic. However, priming is currently not explicitly included in any model projections of future carbon losses from the permafrost area. Here, we combine high-resolution spatial and depth-resolved datasets of key plant and permafrost properties with empirical relationships of priming effects from living plants on microbial respiration. We show that rhizosphere priming amplifies overall soil respiration in permafrost-affected ecosystems by ~12%, which translates to a priming-induced absolute loss of ~40 Pg soil carbon from the northern permafrost area by 2100. Our findings highlight the need to include fine-scale ecological interactions in order to accurately predict large-scale greenhouse gas emissions, and suggest even tighter restrictions on the estimated 200 Pg anthropogenic carbon emission budget to keep global warming below 1.5 °C. Peer reviewed |
author2 |
Department of Built Environment Water and Environmental Eng. Umeå University Stockholm University Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, science Leibniz Universität Hannover Lawrence Berkeley National Laboratory University of Vienna Government College University Faisalabad Vrije Universiteit Amsterdam Aalto-yliopisto Aalto University |
format |
Article in Journal/Newspaper |
author |
Keuper, Frida Wild, Birgit Kummu, Matti Beer, Christian Blume-Werry, Gesche Fontaine, Sébastien Gavazov, Konstantin Gentsch, Norman Guggenberger, Georg Hugelius, Gustaf Jalava, Mika Koven, Charles Krab, Eveline J. Kuhry, Peter Monteux, Sylvain Richter, Andreas Shahzad, Tanvir Weedon, James T. Dorrepaal, Ellen |
spellingShingle |
Keuper, Frida Wild, Birgit Kummu, Matti Beer, Christian Blume-Werry, Gesche Fontaine, Sébastien Gavazov, Konstantin Gentsch, Norman Guggenberger, Georg Hugelius, Gustaf Jalava, Mika Koven, Charles Krab, Eveline J. Kuhry, Peter Monteux, Sylvain Richter, Andreas Shahzad, Tanvir Weedon, James T. Dorrepaal, Ellen Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming |
author_facet |
Keuper, Frida Wild, Birgit Kummu, Matti Beer, Christian Blume-Werry, Gesche Fontaine, Sébastien Gavazov, Konstantin Gentsch, Norman Guggenberger, Georg Hugelius, Gustaf Jalava, Mika Koven, Charles Krab, Eveline J. Kuhry, Peter Monteux, Sylvain Richter, Andreas Shahzad, Tanvir Weedon, James T. Dorrepaal, Ellen |
author_sort |
Keuper, Frida |
title |
Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming |
title_short |
Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming |
title_full |
Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming |
title_fullStr |
Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming |
title_full_unstemmed |
Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming |
title_sort |
carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming |
publisher |
Nature Publishing Group |
publishDate |
2020 |
url |
https://aaltodoc.aalto.fi/handle/123456789/45714 https://doi.org/10.1038/s41561-020-0607-0 |
genre |
Arctic Global warming permafrost |
genre_facet |
Arctic Global warming permafrost |
op_relation |
info:eu-repo/grantAgreement/EC/H2020/819202/EU//SOS.aquaterra NATURE GEOSCIENCE Keuper, F, Wild, B, Kummu, M, Beer, C, Blume-Werry, G, Fontaine, S, Gavazov, K, Gentsch, N, Guggenberger, G, Hugelius, G, Jalava, M, Koven, C, Krab, E J, Kuhry, P, Monteux, S, Richter, A, Shahzad, T, Weedon, J T & Dorrepaal, E 2020, ' Carbon loss from northern circumpolar permafrost soils amplified by rhizosphere priming ', NATURE GEOSCIENCE, vol. 13, no. 8, pp. 560-565 . https://doi.org/10.1038/s41561-020-0607-0 1752-0894 PURE UUID: fd583bfb-bab1-4d67-b268-8a44ac4c1490 PURE ITEMURL: https://research.aalto.fi/en/publications/fd583bfb-bab1-4d67-b268-8a44ac4c1490 PURE LINK: http://www.scopus.com/inward/record.url?scp=85088262039&partnerID=8YFLogxK PURE FILEURL: https://research.aalto.fi/files/55495882/ENG_Keuper_et_al_Carbon_loss_from_northern_Nature_Geoscience.pdf https://aaltodoc.aalto.fi/handle/123456789/45714 URN:NBN:fi:aalto-202008124728 doi:10.1038/s41561-020-0607-0 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.1038/s41561-020-0607-0 |
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Nature Geoscience |
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13 |
container_issue |
8 |
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