Widespread Increasing Vegetation Sensitivity to Soil Moisture

Overview

Journal Nat Commun

Specialty Biology

Date 2022 Jul 8

PMID 35803919

Authors

Wantong Li

Mirco Migliavacca

Matthias Forkel

Jasper M C Denissen

Markus Reichstein

Hui Yang

Gregory Duveiller

Ulrich Weber

Rene Orth

Affiliations

Soon will be listed here.

Abstract

Global vegetation and associated ecosystem services critically depend on soil moisture availability which has decreased in many regions during the last three decades. While spatial patterns of vegetation sensitivity to global soil water have been recently investigated, long-term changes in vegetation sensitivity to soil water availability are still unclear. Here we assess global vegetation sensitivity to soil moisture during 1982-2017 by applying explainable machine learning with observation-based leaf area index (LAI) and hydro-climate anomaly data. We show that LAI sensitivity to soil moisture significantly increases in many semi-arid and arid regions. LAI sensitivity trends are associated with multiple hydro-climate and ecological variables, and strongest increasing trends occur in the most water-sensitive regions which additionally experience declining precipitation. State-of-the-art land surface models do not reproduce this increasing sensitivity as they misrepresent water-sensitive regions and sensitivity strength. Our sensitivity results imply an increasing ecosystem vulnerability to water availability which can lead to exacerbated reductions in vegetation carbon uptake under future intensified drought, consequently amplifying climate change.

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References

Anderegg W, Trugman A, Bowling D, Salvucci G, Tuttle S . Plant functional traits and climate influence drought intensification and land-atmosphere feedbacks. Proc Natl Acad Sci U S A. 2019; 116(28):14071-14076. PMC: 6628816. DOI: 10.1073/pnas.1904747116. View

Humphrey V, Zscheischler J, Ciais P, Gudmundsson L, Sitch S, Seneviratne S . Sensitivity of atmospheric CO growth rate to observed changes in terrestrial water storage. Nature. 2018; 560(7720):628-631. DOI: 10.1038/s41586-018-0424-4. View

Green J, Seneviratne S, Berg A, Findell K, Hagemann S, Lawrence D . Large influence of soil moisture on long-term terrestrial carbon uptake. Nature. 2019; 565(7740):476-479. PMC: 6355256. DOI: 10.1038/s41586-018-0848-x. View

Fan Y, Miguez-Macho G, Jobbagy E, Jackson R, Otero-Casal C . Hydrologic regulation of plant rooting depth. Proc Natl Acad Sci U S A. 2017; 114(40):10572-10577. PMC: 5635924. DOI: 10.1073/pnas.1712381114. View

Berdugo M, Delgado-Baquerizo M, Soliveres S, Hernandez-Clemente R, Zhao Y, Gaitan J . Global ecosystem thresholds driven by aridity. Science. 2020; 367(6479):787-790. DOI: 10.1126/science.aay5958. View

Seddon A, Macias-Fauria M, Long P, Benz D, Willis K . Sensitivity of global terrestrial ecosystems to climate variability. Nature. 2016; 531(7593):229-32. DOI: 10.1038/nature16986. View

Camps-Valls G, Campos-Taberner M, Moreno-Martinez A, Walther S, Duveiller G, Cescatti A . A unified vegetation index for quantifying the terrestrial biosphere. Sci Adv. 2021; 7(9). PMC: 7909876. DOI: 10.1126/sciadv.abc7447. View

Besnard S, Santoro M, Cartus O, Fan N, Linscheid N, Nair R . Global sensitivities of forest carbon changes to environmental conditions. Glob Chang Biol. 2021; 27(24):6467-6483. DOI: 10.1111/gcb.15877. View

De Kauwe M, Medlyn B, Tissue D . To what extent can rising [CO ] ameliorate plant drought stress?. New Phytol. 2021; 231(6):2118-2124. DOI: 10.1111/nph.17540. View

10.

Huang M, Piao S, Ciais P, Penuelas J, Wang X, Keenan T . Air temperature optima of vegetation productivity across global biomes. Nat Ecol Evol. 2019; 3(5):772-779. PMC: 6491223. DOI: 10.1038/s41559-019-0838-x. View

11.

Song X, Hansen M, Stehman S, Potapov P, Tyukavina A, Vermote E . Global land change from 1982 to 2016. Nature. 2018; 560(7720):639-643. PMC: 6366331. DOI: 10.1038/s41586-018-0411-9. View

12.

Forzieri G, Alkama R, Miralles D, Cescatti A . Satellites reveal contrasting responses of regional climate to the widespread greening of Earth. Science. 2017; 356(6343):1180-1184. DOI: 10.1126/science.aal1727. View

13.

Gelaro R, McCarty W, Suarez M, Todling R, Molod A, Takacs L . The Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2). J Clim. 2020; Volume 30(Iss 13):5419-5454. PMC: 6999672. DOI: 10.1175/JCLI-D-16-0758.1. View

14.

Carminati A, Javaux M . Soil Rather Than Xylem Vulnerability Controls Stomatal Response to Drought. Trends Plant Sci. 2020; 25(9):868-880. DOI: 10.1016/j.tplants.2020.04.003. View

15.

Stocker B, Zscheischler J, Keenan T, Prentice I, Penuelas J, Seneviratne S . Quantifying soil moisture impacts on light use efficiency across biomes. New Phytol. 2018; 218(4):1430-1449. PMC: 5969272. DOI: 10.1111/nph.15123. View

16.

Miguez-Macho G, Fan Y . Spatiotemporal origin of soil water taken up by vegetation. Nature. 2021; 598(7882):624-628. DOI: 10.1038/s41586-021-03958-6. View

17.

Rogers A, Medlyn B, Dukes J, Bonan G, von Caemmerer S, Dietze M . A roadmap for improving the representation of photosynthesis in Earth system models. New Phytol. 2016; 213(1):22-42. DOI: 10.1111/nph.14283. View

18.

Frankenberg C, Yin Y, Byrne B, He L, Gentine P . Comment on "Recent global decline of CO fertilization effects on vegetation photosynthesis". Science. 2021; 373(6562):eabg2947. DOI: 10.1126/science.abg2947. View

19.

O S, Orth R . Global soil moisture data derived through machine learning trained with in-situ measurements. Sci Data. 2021; 8(1):170. PMC: 8275613. DOI: 10.1038/s41597-021-00964-1. View

20.

Jiao W, Wang L, Smith W, Chang Q, Wang H, DOdorico P . Observed increasing water constraint on vegetation growth over the last three decades. Nat Commun. 2021; 12(1):3777. PMC: 8213694. DOI: 10.1038/s41467-021-24016-9. View