The biomass and biodiversity of the continental subsurface

C. Magnabosco, L. H. Lin, H. Dong, M. Bomberg, W. Ghiorse, H. Stan-Lotter, K. Pedersen, T. L. Kieft, E. van Heerden, T. C. Onstott

Research output: Contribution to journalReview ArticleScientificpeer-review

28 Citations (Scopus)

Abstract

Despite accounting for a significant portion of the Earth’s prokaryotic biomass, controls on the abundance and biodiversity of microorganisms residing in the continental subsurface are poorly understood. To redress this, we compiled cell concentration and microbial diversity data from continental subsurface localities around the globe. Based on considerations of global heat flow, surface temperature, depth and lithology, we estimated that the continental subsurface hosts 2 to 6 × 1029 cells and found that other variables such as total organic carbon and groundwater cellular abundances do not appear to be predictive of cell concentrations in the continental subsurface. Although we were unable to identify a reliable predictor of species richness in the continental subsurface, we found that bacteria are more abundant than archaea and that their community composition was correlated to sample lithology. Using our updated continental subsurface cellular estimate and existing literature, we estimate that the total global prokaryotic biomass is approximately 23 to 31 Pg of carbon C (PgC), roughly 4 to 10 times less than previous estimates.

Original languageEnglish
Pages (from-to)707-717
JournalNature Geoscience
Volume11
DOIs
Publication statusPublished - 1 Oct 2018
MoE publication typeA2 Review article in a scientific journal

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lithology
biodiversity
biomass
heat flow
total organic carbon
community composition
surface temperature
species richness
microorganism
bacterium
groundwater
carbon
redress

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Magnabosco, C., Lin, L. H., Dong, H., Bomberg, M., Ghiorse, W., Stan-Lotter, H., ... Onstott, T. C. (2018). The biomass and biodiversity of the continental subsurface. Nature Geoscience, 11, 707-717. https://doi.org/10.1038/s41561-018-0221-6
Magnabosco, C. ; Lin, L. H. ; Dong, H. ; Bomberg, M. ; Ghiorse, W. ; Stan-Lotter, H. ; Pedersen, K. ; Kieft, T. L. ; van Heerden, E. ; Onstott, T. C. / The biomass and biodiversity of the continental subsurface. In: Nature Geoscience. 2018 ; Vol. 11. pp. 707-717.
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Magnabosco, C, Lin, LH, Dong, H, Bomberg, M, Ghiorse, W, Stan-Lotter, H, Pedersen, K, Kieft, TL, van Heerden, E & Onstott, TC 2018, 'The biomass and biodiversity of the continental subsurface', Nature Geoscience, vol. 11, pp. 707-717. https://doi.org/10.1038/s41561-018-0221-6

The biomass and biodiversity of the continental subsurface. / Magnabosco, C.; Lin, L. H.; Dong, H.; Bomberg, M.; Ghiorse, W.; Stan-Lotter, H.; Pedersen, K.; Kieft, T. L.; van Heerden, E.; Onstott, T. C.

In: Nature Geoscience, Vol. 11, 01.10.2018, p. 707-717.

Research output: Contribution to journalReview ArticleScientificpeer-review

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AU - Pedersen, K.

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Magnabosco C, Lin LH, Dong H, Bomberg M, Ghiorse W, Stan-Lotter H et al. The biomass and biodiversity of the continental subsurface. Nature Geoscience. 2018 Oct 1;11:707-717. https://doi.org/10.1038/s41561-018-0221-6