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Title: Modeling Transient Soil Moisture Limitations on Microbial Carbon Respiration

Abstract

Soil microorganisms are known to survive periods of aridity and to recover rapidly after wetting events, with the ability to transition between a dormant state in dry conditions and an active state in wet conditions. While this dynamic behavior has been previously incorporated into soil carbon respiration modeling frameworks, a direct comparison between this active-dormant transition mechanism and a more simplified first-order model has yet to be made. Here, we demonstrate the necessary extent of model complexity needed to reproduce transient carbon respiration rates obtained from a set of soil incubation experiments implemented over a range of soil depths and time intervals. Two approaches are tested, one uses simplified first-order kinetics, whereas the other employs a transition between active and dormant biomass. The performance of each model is evaluated using an Akaike Information Criterion (AIC) based on the accuracy with which they reproduce an experimental dataset consisting of two sets of time series soil incubations collected across a range of time and depth resolutions. Based on the AIC evaluation and model-data comparison, we conclude that a dormancy-enabled model featuring two distinct microbial strategists performs best for the majority of the soil profile (above 108 cm) for both high and lowmore » depth resolution and sampling frequency, despite the added parameters required. In contrast, the first-order model achieves better AIC scores when simulating our deepest soils (112–165 cm), where moisture fluctuations are expected to be less prevalent. These findings guide how and where we choose to apply more cost intensive models.« less

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5]; ORCiD logo [1]
  1. Univ. of Illinois at Urbana-Champaign, IL (United States)
  2. U.S. Geological Survey, Denver, CO (United States)
  3. Stanford Univ., CA (United States); Univ. of Massachusetts, Amherst, MA (United States)
  4. Stanford Univ., CA (United States)
  5. Stanford Univ., CA (United States); Rocky Mountain Biological Lab., Crested Butte, CO (United States)
Publication Date:
Research Org.:
Stanford Univ., CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
OSTI Identifier:
1594055
Alternate Identifier(s):
OSTI ID: 1543371
Grant/Contract Number:  
SC0018155; SC0014556; DE‐SC0014556; DE‐SC0018155
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Geophysical Research. Biogeosciences
Additional Journal Information:
Journal Volume: 124; Journal Issue: 7; Related Information: jgrg21444-sup-0002-2018JG004628-SI.docxWord 2007 document , 158.8 KB Supporting Information S1jgrg21444-sup-0001-2018JG004628-fs01.docxWord 2007 document , 62.7 KB Figure S1; Journal ID: ISSN 2169-8953
Publisher:
American Geophysical Union
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; soil moisture; reactive transport; soil carbon; microbial respiration

Citation Formats

Liu, Yuchen, Lawrence, Corey R., Winnick, Matthew J., Hsu, Hsiao‐Tieh, Maher, Katharine, and Druhan, Jennifer L. Modeling Transient Soil Moisture Limitations on Microbial Carbon Respiration. United States: N. p., 2019. Web. doi:10.1029/2018JG004628.
Liu, Yuchen, Lawrence, Corey R., Winnick, Matthew J., Hsu, Hsiao‐Tieh, Maher, Katharine, & Druhan, Jennifer L. Modeling Transient Soil Moisture Limitations on Microbial Carbon Respiration. United States. doi:https://doi.org/10.1029/2018JG004628
Liu, Yuchen, Lawrence, Corey R., Winnick, Matthew J., Hsu, Hsiao‐Tieh, Maher, Katharine, and Druhan, Jennifer L. Tue . "Modeling Transient Soil Moisture Limitations on Microbial Carbon Respiration". United States. doi:https://doi.org/10.1029/2018JG004628. https://www.osti.gov/servlets/purl/1594055.
@article{osti_1594055,
title = {Modeling Transient Soil Moisture Limitations on Microbial Carbon Respiration},
author = {Liu, Yuchen and Lawrence, Corey R. and Winnick, Matthew J. and Hsu, Hsiao‐Tieh and Maher, Katharine and Druhan, Jennifer L.},
abstractNote = {Soil microorganisms are known to survive periods of aridity and to recover rapidly after wetting events, with the ability to transition between a dormant state in dry conditions and an active state in wet conditions. While this dynamic behavior has been previously incorporated into soil carbon respiration modeling frameworks, a direct comparison between this active-dormant transition mechanism and a more simplified first-order model has yet to be made. Here, we demonstrate the necessary extent of model complexity needed to reproduce transient carbon respiration rates obtained from a set of soil incubation experiments implemented over a range of soil depths and time intervals. Two approaches are tested, one uses simplified first-order kinetics, whereas the other employs a transition between active and dormant biomass. The performance of each model is evaluated using an Akaike Information Criterion (AIC) based on the accuracy with which they reproduce an experimental dataset consisting of two sets of time series soil incubations collected across a range of time and depth resolutions. Based on the AIC evaluation and model-data comparison, we conclude that a dormancy-enabled model featuring two distinct microbial strategists performs best for the majority of the soil profile (above 108 cm) for both high and low depth resolution and sampling frequency, despite the added parameters required. In contrast, the first-order model achieves better AIC scores when simulating our deepest soils (112–165 cm), where moisture fluctuations are expected to be less prevalent. These findings guide how and where we choose to apply more cost intensive models.},
doi = {10.1029/2018JG004628},
journal = {Journal of Geophysical Research. Biogeosciences},
number = 7,
volume = 124,
place = {United States},
year = {2019},
month = {7}
}

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    journal, December 2010


    Soil Respiration at Dominant Patch Types within a Managed Northern Wisconsin Landscape
    journal, September 2003

    • Euskirchen, Eugénie S.; Chen, Jiquan; Gustafson, Eric J.
    • Ecosystems, Vol. 6, Issue 6
    • DOI: 10.1007/pl00021505

    Changing precipitation pattern alters soil microbial community response to wet-up under a Mediterranean-type climate
    journal, October 2014

    • Barnard, Romain L.; Osborne, Catherine A.; Firestone, Mary K.
    • The ISME Journal, Vol. 9, Issue 4
    • DOI: 10.1038/ismej.2014.192

    Topographic and climatic controls on soil respiration in six temperate mixed-hardwood forest slopes, Korea
    journal, October 2003


    Dry-rewetting cycles regulate wheat carbon rhizodeposition, stabilization and nitrogen cycling
    journal, February 2015


    A case for bacterial dormancy in aquatic systems
    journal, June 1977


    Oxygen Transport to Plant Roots
    journal, January 2003

    • Cook, F. J.; Knight, J. H.
    • Soil Science Society of America Journal, Vol. 67, Issue 1
    • DOI: 10.2136/sssaj2003.2000

    On the Temperature Dependence of Soil Respiration
    journal, June 1994

    • Lloyd, J.; Taylor, J. A.
    • Functional Ecology, Vol. 8, Issue 3
    • DOI: 10.2307/2389824

    Responses of soil heterotrophic respiration to moisture availability: An exploration of processes and models
    journal, April 2013


    Differential Effects of Soil Water Content and Temperature on Nitrification and Aeration
    journal, January 1995


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    journal, January 2011

    • Harmon, Mark E.; Bond-Lamberty, Ben; Tang, Jianwu
    • Journal of Geophysical Research, Vol. 116
    • DOI: 10.1029/2010jg001495

    Soil respiration dynamics in Cinnamomum camphora forest and a nearby Liquidambar formosana forest in Subtropical China
    journal, August 2009


    Analytical Modeling of Nitrogen Dynamics in Soils and Ground Water
    journal, December 1999


    The influence of precipitation pulses on soil respiration – Assessing the “Birch effect” by stable carbon isotopes
    journal, October 2010


    A model for soil CO2 production and transport 2: Application to a florida Pinus elliotte plantation
    journal, July 1999


    Seasonal variation in the soil respiration rate in coniferous forest soils
    journal, September 2002


    Soil CO2 flux in a tallgrass prairie
    journal, February 2000


    Temporal variability in soil microbial communities across land-use types
    journal, April 2013

    • Lauber, Christian L.; Ramirez, Kelly S.; Aanderud, Zach
    • The ISME Journal, Vol. 7, Issue 8
    • DOI: 10.1038/ismej.2013.50

    Short-term effects of rain on soil respiration in two New England forests
    journal, September 2010


    A parsimonious modular approach to building a mechanistic belowground carbon and nitrogen model: Parsimonious, Modular Model of Belowground C and N Cycling
    journal, September 2017

    • Abramoff, Rose Z.; Davidson, Eric A.; Finzi, Adrien C.
    • Journal of Geophysical Research: Biogeosciences, Vol. 122, Issue 9
    • DOI: 10.1002/2017jg003796

    The moisture response of soil heterotrophic respiration: interaction with soil properties
    journal, January 2012


    Pattern of Humus Decomposition in East African Soils
    journal, March 1958


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    journal, February 2013


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    journal, November 1993


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    journal, October 2011


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    journal, September 2014

    • Davidson, Eric A.; Savage, Kathleen E.; Finzi, Adrien C.
    • Global Change Biology, Vol. 20, Issue 12
    • DOI: 10.1111/gcb.12718

    Microbial biomass response to a rapid increase in water potential when dry soil is wetted
    journal, January 1987


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    journal, July 2008


    Peat emission control by groundwater management and soil amendments: evidence from laboratory experiments
    journal, November 2013

    • Husen, Edi; Salma, Selly; Agus, Fahmuddin
    • Mitigation and Adaptation Strategies for Global Change, Vol. 19, Issue 6
    • DOI: 10.1007/s11027-013-9526-3

    Growth and death of bacteria and fungi underlie rainfall-induced carbon dioxide pulses from seasonally dried soil
    journal, May 2014

    • Blazewicz, Steven J.; Schwartz, Egbert; Firestone, Mary K.
    • Ecology, Vol. 95, Issue 5
    • DOI: 10.1890/13-1031.1

    Deep soil organic matter—a key but poorly understood component of terrestrial C cycle
    journal, May 2010


    A theoretical analysis of microbial eco-physiological and diffusion limitations to carbon cycling in drying soils
    journal, June 2014


    Unifying soil respiration pulses, inhibition, and temperature hysteresis through dynamics of labile soil carbon and O 2 : Soil C and O2 regulate soil respiration
    journal, April 2014

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