Mineral dust as a driver of carbon accumulation in northern latitudes

Abstract Peatlands in northern latitudes sequester one third of the world’s soil organic carbon. Mineral dusts can affect the primary productivity of terrestrial systems through nutrient transport but this process has not yet been documented in these peat-rich regions. Here we analysed organic and i...

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Autores principales:	Malin E. Kylander, A. Martínez-Cortizas, Richard Bindler, Joeri Kaal, Jenny K. Sjöström, Sophia V. Hansson, Noemí Silva-Sánchez, Sarah L. Greenwood, Kerry Gallagher, Johan Rydberg, Carl-Magnus Mörth, Sebastien Rauch
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7754595899f54b1b8b1d417f0b983ebe
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spelling	oai:doaj.org-article:7754595899f54b1b8b1d417f0b983ebe2021-12-02T15:08:15ZMineral dust as a driver of carbon accumulation in northern latitudes10.1038/s41598-018-25162-92045-2322https://doaj.org/article/7754595899f54b1b8b1d417f0b983ebe2018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25162-9https://doaj.org/toc/2045-2322Abstract Peatlands in northern latitudes sequester one third of the world’s soil organic carbon. Mineral dusts can affect the primary productivity of terrestrial systems through nutrient transport but this process has not yet been documented in these peat-rich regions. Here we analysed organic and inorganic fractions of an 8900-year-old sequence from Store Mosse (the “Great Bog”) in southern Sweden. Between 5420 and 4550 cal yr BP, we observe a seven-fold increase in net peat-accumulation rates corresponding to a maximum carbon-burial rate of 150 g C m−2 yr−1 – more than six times the global average. This high peat accumulation event occurs in parallel with a distinct change in the character of the dust deposited on the bog, which moves from being dominated by clay minerals to less weathered, phosphate and feldspar minerals. We hypothesize that this shift boosted nutrient input to the bog and stimulated ecosystem productivity. This study shows that diffuse sources and dust dynamics in northern temperate latitudes, often overlooked by the dust community in favour of arid and semi-arid regions, can be important drivers of peatland carbon accumulation and by extension, global climate, warranting further consideration in predictions of future climate variability.Malin E. KylanderA. Martínez-CortizasRichard BindlerJoeri KaalJenny K. SjöströmSophia V. HanssonNoemí Silva-SánchezSarah L. GreenwoodKerry GallagherJohan RydbergCarl-Magnus MörthSebastien RauchNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Malin E. Kylander A. Martínez-Cortizas Richard Bindler Joeri Kaal Jenny K. Sjöström Sophia V. Hansson Noemí Silva-Sánchez Sarah L. Greenwood Kerry Gallagher Johan Rydberg Carl-Magnus Mörth Sebastien Rauch Mineral dust as a driver of carbon accumulation in northern latitudes
description	Abstract Peatlands in northern latitudes sequester one third of the world’s soil organic carbon. Mineral dusts can affect the primary productivity of terrestrial systems through nutrient transport but this process has not yet been documented in these peat-rich regions. Here we analysed organic and inorganic fractions of an 8900-year-old sequence from Store Mosse (the “Great Bog”) in southern Sweden. Between 5420 and 4550 cal yr BP, we observe a seven-fold increase in net peat-accumulation rates corresponding to a maximum carbon-burial rate of 150 g C m−2 yr−1 – more than six times the global average. This high peat accumulation event occurs in parallel with a distinct change in the character of the dust deposited on the bog, which moves from being dominated by clay minerals to less weathered, phosphate and feldspar minerals. We hypothesize that this shift boosted nutrient input to the bog and stimulated ecosystem productivity. This study shows that diffuse sources and dust dynamics in northern temperate latitudes, often overlooked by the dust community in favour of arid and semi-arid regions, can be important drivers of peatland carbon accumulation and by extension, global climate, warranting further consideration in predictions of future climate variability.
format	article
author	Malin E. Kylander A. Martínez-Cortizas Richard Bindler Joeri Kaal Jenny K. Sjöström Sophia V. Hansson Noemí Silva-Sánchez Sarah L. Greenwood Kerry Gallagher Johan Rydberg Carl-Magnus Mörth Sebastien Rauch
author_facet	Malin E. Kylander A. Martínez-Cortizas Richard Bindler Joeri Kaal Jenny K. Sjöström Sophia V. Hansson Noemí Silva-Sánchez Sarah L. Greenwood Kerry Gallagher Johan Rydberg Carl-Magnus Mörth Sebastien Rauch
author_sort	Malin E. Kylander
title	Mineral dust as a driver of carbon accumulation in northern latitudes
title_short	Mineral dust as a driver of carbon accumulation in northern latitudes
title_full	Mineral dust as a driver of carbon accumulation in northern latitudes
title_fullStr	Mineral dust as a driver of carbon accumulation in northern latitudes
title_full_unstemmed	Mineral dust as a driver of carbon accumulation in northern latitudes
title_sort	mineral dust as a driver of carbon accumulation in northern latitudes
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/7754595899f54b1b8b1d417f0b983ebe
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Mineral dust as a driver of carbon accumulation in northern latitudes

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