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Cited by 37Mycorrhizal Fungi and Plant InteractionsFire effects on ecosystemsSoil Carbon and Nitrogen Dynamics

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Fire-severity effects on plant–fungal interactions after a novel tundra wildfire disturbance: implications for arctic shrub and tree migration

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Hewitt, Rebecca E., Hollingsworth, Teresa N., Stuart Chapin III, F., Lee Taylor, D.·2016·BMC Ecology
DOI 10.1186/s12898-016-0075-yPMC PMC4865011
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Abstract

BACKGROUND: Vegetation change in high latitude tundra ecosystems is expected to accelerate due to increased wildfire activity. High-severity fires increase the availability of mineral soil seedbeds, which facilitates recruitment, yet fire also alters soil microbial composition, which could significantly impact seedling establishment. RESULTS: We investigated the effects of fire severity on soil biota and associated effects on plant performance for two plant species predicted to expand into Arctic tundra. We inoculated seedlings in a growth chamber experiment with soils collected from the largest tundra fire recorded in the Arctic and used molecular tools to characterize root-associated fungal communities. Seedling biomass was significantly related to the composition of fungal inoculum. Biomass decreased as fire severity increased and the proportion of pathogenic fungi increased. CONCLUSIONS: Our results suggest that effects of fire severity on soil biota reduces seedling performance and thus we hypothesize that in certain ecological contexts fire-severity effects on plant-fungal interactions may dampen the expected increases in tree and shrub establishment after tundra fire.

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    McLauchlan, K. K., Higuera, P. E., Miesel, J., Rogers, B. M., Schweitzer, J., Shuman, J. K., Tepley, A. J., Varner, J. M., Veblen, T. T., Adalsteinsson, S. A., et al. (2020) · Journal of Ecology · doi:10.1111/1365-2745.13403 · Cited by 729

    “…that influence vegetation recovery (Brando, Oliveria-Santos, Rocha, Cury, & Coe, 2016; Johnstone, Hollingsworth, Chapin, & Mack, 2010), the structure of invertebrate and microbial communities (Hewitt et al., 2016) and availability of nutrients (Karam, Weisberg, Scheller, Johnson, & Miller, 2013).”
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Metadata

Authors
Hewitt, R. E., Hollingsworth, T. N., Stuart Chapin III, F., & Lee Taylor, D.
Affiliations
  • University of Alaska Fairbanks (US)
  • US Forest Service (US)
Corresponding author
Hewitt, Rebecca E.
ORCID
Venue
BMC Ecology
Publisher
Springer Science and Business Media LLC
Published
2016-05-11
Volume
16
Issue
1
Pages
25-25
ISSN
1472-6785 (ISSN-L)
DOI
10.1186/s12898-016-0075-y
PMC
PMC4865011
OpenAlex
W2348186826
Cited by
37
References
1
Citations by year
2026: 3 · 2025: 1 · 2024: 3 · 2023: 1 · 2022: 3 · 2021: 10 · 2020: 6 · 2019: 5 · 2018: 2 · 2017: 2 · 2016: 1
FWCI
3.90
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • BMC Ecology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Alaska EPSCoR (EPS-0701898)
  • NSF Graduate Research Fellowship (DGE-0639280 and 1242789)
  • Center for Global Change
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycorrhizal Fungi and Plant Interactions
  • Physical Sciences › Environmental Science › Global and Planetary Change › Fire effects on ecosystems
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
Keywords
fire severity, plant-fungal interactions, tree migration, soil microbial communities, root-associated fungi, fungal pathogens, seedling establishment, fungal inoculum
MeSH terms
Arctic Regions, Fungi, Plants, Trees, Plant Physiological Phenomena, Tundra

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