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Hydrologic regulation of plant rooting depth

Open access
Fan, Ying, Miguez-Macho, Gonzalo, Jobbágy, Esteban G., Jackson, Robert B., Otero-Casal, Carlos·2017·Proceedings of the National Academy of Sciences

Abstract

Significance: Knowledge of plant rooting depth is critical to understanding plant-mediated global change. Earth system models are highly sensitive to this particular parameter with large consequences for modeled plant productivity, water–energy–carbon exchange between the land and the atmosphere, and silicate weathering regulating multimillion-year-timescale carbon cycle. However, we know little about how deep roots go and why. Accidental discoveries of >70-m-deep roots in wells and >20-m-deep roots in caves offer glimpses of the enormous plasticity of root response to its environment, but the drivers and the global significance of such deep roots are not clear. Through observations and modeling, we demonstrate that soil hydrology is a globally prevalent force driving landscape to global patterns of plant rooting depth.

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Metadata

Authors
Fan, Y., Miguez-Macho, G., Jobbágy, E. G., Jackson, R. B., & Otero-Casal, C.
Venue
Proceedings of the National Academy of Sciences
Published
2017-09-18
Volume
114
Issue
40
Pages
10572-10577
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2755735529
Cited by
1,303
References
2
FWCI
42.96
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Hydrologic regulation of plant rooting depth. https://app.cochat.ai/papers/10.1073/pnas.1712381114
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Fan, Y., Miguez-Macho, G., Jobbágy, E. G., Jackson, R. B., & Otero-Casal, C. (2017). Hydrologic regulation of plant rooting depth. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1712381114

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