Lake sedimentary biogenic silica from diatoms constitutes a significant global sink for aluminium

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dc.contributor.authorLiu, D.
dc.contributor.authorYuan, P.
dc.contributor.authorTian, Q.
dc.contributor.authorLiu, H.
dc.contributor.authorDeng, L.
dc.contributor.authorSong, Y.
dc.contributor.authorZhou, J.
dc.contributor.authorLosic, D.
dc.contributor.authorZhou, J.
dc.contributor.authorSong, H.
dc.contributor.authorGuo, H.
dc.contributor.authorFan, W.
dc.date.issued2019
dc.description.abstractDiatoms play an important role in marine biogeochemical cycle of aluminum (Al), as dissolved Al is taken up by diatoms to build their siliceous frustules and is involved in the sedimentation of diatomaceous biogenic silica (BSi). The Al incorporation in BSi facilitates decreasing the dissolution of marine BSi and thus substantially influences the biochemical processes driven by diatoms, such as CO₂ sequestration. However, the role of lake BSi in the terrestrial biochemical Al cycle has not been explored, though lakes represent the second-largest sink for BSi. By identifying the previously unexplored high Al/Si atomic ratios (up to 0.052) in lake BSi, here we show lake BSi is a large terrestrial Al pool due to its high Al content, and lake sedimentary BSi constitutes a significant global sink for Al, which is on the same magnitude as the Al sink in global oceans.
dc.description.statementofresponsibilityDong Liu, Peng Yuan, Qian Tian, Hongchang Liu, Liangliang Deng, Yaran Song, Junming Zhou, Dusan Losic, Jieyu Zhou, Hongzhe Song, Haozhe Guo, Wenxiao Fan
dc.identifier.citationNature Communications, 2019; 10(1):4829-1-4829-7
dc.identifier.doi10.1038/s41467-019-12828-9
dc.identifier.issn2041-1723
dc.identifier.issn2041-1723
dc.identifier.orcidLosic, D. [0000-0002-1930-072X]
dc.identifier.urihttp://hdl.handle.net/2440/123813
dc.language.isoen
dc.publisherSpringer Nature
dc.rights© The Author(s) 2019. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
dc.source.urihttps://doi.org/10.1038/s41467-019-12828-9
dc.titleLake sedimentary biogenic silica from diatoms constitutes a significant global sink for aluminium
dc.typeJournal article
pubs.publication-statusPublished

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