Short communication: Surface charring from prescribed burning has minimal effects on soil bacterial community composition two weeks post-fire in jack pine barrens

Kranz, Christina; Whitman, Thea

doi:10.1016/j.apsoil.2019.07.004

Title: Short communication: Surface charring from prescribed burning has minimal effects on soil bacterial community composition two weeks post-fire in jack pine barrens

Abstract

Prescribed fire – the intentional use of fire to help achieve a land management goal – is becoming increasingly common as a land management practice. Soil physical, chemical, and biological properties can be affected by prescribed fires, but depend on the fire, soil type, residence time and frequency, and may not be changed substantially in low-severity burns. In this study, we examined soil bacterial community composition immediately post-fire (15 days) in a sandy jack pine barrens soil in Wisconsin, USA. Soil bacterial communities clustered significantly by sample site (p < 0.001) and by soil horizon (p = 0.048), but not by whether or not soil samples were visibly burned. There were also no significant differences in total relative abundance at the phylum level in visibly burned vs. not visibly burned soils, and only two significant differences in abundance or variability of individual taxa. Soil properties remained unchanged post-fire and the fire was visibly patchy, suggesting that the low severity prescribed fire most likely had a minimal soil heating effect. Furthermore, we suggest the minimal bacterial community composition shifts seen in this study were likely mediated more by plants than by direct heat-killing or changes to soil properties.

Authors:

^[1];

^[1]

Univ. of Wisconsin, Madison, WI (United States)

Publication Date:: Mon Jul 29 00:00:00 EDT 2019

Research Org.:: Univ. of Wisconsin, Madison, WI (United States); Univ. of California, Berkeley, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science Division

OSTI Identifier:: 1546069

Alternate Identifier(s):: OSTI ID: 1778408

Grant/Contract Number:: SC0016365

Resource Type:: Accepted Manuscript

Journal Name:: Applied Soil Ecology

Additional Journal Information:: Journal Volume: 144; Journal Issue: C; Journal ID: ISSN 0929-1393

Country of Publication:: United States

Language:: English

Subject:: 59 BASIC BIOLOGICAL SCIENCES; 60 APPLIED LIFE SCIENCES; 54 ENVIRONMENTAL SCIENCES; Prescribed fire; Prescribed burn; Disturbance; Jack pine barrens

Citation Formats


                    Kranz, Christina, and Whitman, Thea. Short communication: Surface charring from prescribed burning has minimal effects on soil bacterial community composition two weeks post-fire in jack pine barrens.  United States: N. p., 2019. 
Web.  doi:10.1016/j.apsoil.2019.07.004.

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                    Kranz, Christina, & Whitman, Thea. Short communication: Surface charring from prescribed burning has minimal effects on soil bacterial community composition two weeks post-fire in jack pine barrens.  United States.  https://doi.org/10.1016/j.apsoil.2019.07.004

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                    Kranz, Christina, and Whitman, Thea. Mon .  
"Short communication: Surface charring from prescribed burning has minimal effects on soil bacterial community composition two weeks post-fire in jack pine barrens".  United States.  https://doi.org/10.1016/j.apsoil.2019.07.004.  https://www.osti.gov/servlets/purl/1546069.

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@article{osti_1546069,

  title        = {Short communication: Surface charring from prescribed burning has minimal effects on soil bacterial community composition two weeks post-fire in jack pine barrens},

  author       = {Kranz, Christina and Whitman, Thea},

  abstractNote = {Prescribed fire – the intentional use of fire to help achieve a land management goal – is becoming increasingly common as a land management practice. Soil physical, chemical, and biological properties can be affected by prescribed fires, but depend on the fire, soil type, residence time and frequency, and may not be changed substantially in low-severity burns. In this study, we examined soil bacterial community composition immediately post-fire (15 days) in a sandy jack pine barrens soil in Wisconsin, USA. Soil bacterial communities clustered significantly by sample site (p < 0.001) and by soil horizon (p = 0.048), but not by whether or not soil samples were visibly burned. There were also no significant differences in total relative abundance at the phylum level in visibly burned vs. not visibly burned soils, and only two significant differences in abundance or variability of individual taxa. Soil properties remained unchanged post-fire and the fire was visibly patchy, suggesting that the low severity prescribed fire most likely had a minimal soil heating effect. Furthermore, we suggest the minimal bacterial community composition shifts seen in this study were likely mediated more by plants than by direct heat-killing or changes to soil properties.},

  doi          = {10.1016/j.apsoil.2019.07.004},

  journal      = {Applied Soil Ecology},

  number       = C,

  volume       = 144,

  place        = {United States},

  year         = {Mon Jul 29 00:00:00 EDT 2019},

  month        = {Mon Jul 29 00:00:00 EDT 2019}

}

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Figure 1: Principle coordinate analysis (PCoA) of Bray-Curtis distances between bacterial communities (16S). Each point represents an individual sample collected from the field site, colored by paired plot, and separated by A (left panel) and O (right panel) horizon. Triangles represent visibly burned samples and circles represent visibly not burnedmore »

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Figure 1 (p. 8)

Figure 2 (p. 9)

Supplementary Table 1 (p. 25)

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