Cited by 30Fire effects on ecosystemsSoil Carbon and Nitrogen DynamicsPlant Water Relations and Carbon Dynamics

Effects of Fire Frequency and Soil Temperature on Soil CO2 Efflux Rates in Old-Field Pine-Grassland Forests

Open access
Godwin, David, Kobziar, Leda, Robertson, Kevin·2017·Forests

Abstract

Soil CO2 efflux (Rs) is a significant source of carbon dioxide from soils to the atmosphere and is a critical component of total ecosystem carbon budgets. Prescribed fire is one of the most prevalent forest management tools employed in the southeastern USA. This study investigated the influence of prescribed fire on Rs rates in old-field pine-grassland forests in north Florida, USA, that had been managed with prescribed fire annually and biennially for over 40 years, or left unburned for approximately the same period. Monthly measurements were taken of Rs, soil temperature (Ts), and soil moisture from August 2009 to May 2011. Results showed that sites managed with annual and biennial dormant season prescribed fire had significantly lower monthly mean Rs rates and estimated annual soil carbon fluxes than sites where fire had been excluded. While Ts explained a significant amount of the temporal variations in Rs, it did not explain the differences in Rs among prescribed fire treatments. Our results provide new insight into the effects of prescribed fire and fire exclusion on soil carbon fluxes, and suggest that future methods to model ecosystem carbon budgets should incorporate not only current vegetative conditions, but also prescribed fire management activities.

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Crossref · 10.3390/f8080274

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45 of 45 references verified0 citation errors · 0 not checkable

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  • Interactions among pre-fire soil properties, fire severity and post-fire vegetation recovery influence the magnitude of change in soil nutrient pools over time after fire, relative to pre-fire conditions.

    “Furthermore, interactions among pre-fire soil properties, fire severity and post-fire vegetation recovery influence the magnitude of change in soil nutrient pools over time after fire, relative to pre-fire conditions (Godwin et al., 2017;Kranabetter et al., 2016).”

    From Fire as a fundamental ecological process: Research advances and frontiers (2020) · cites this paper as Godwin et al., 2017

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Authors
Godwin, D., Kobziar, L., & Robertson, K.
Affiliations
  • University of Florida (US)
  • University of Idaho (US)
  • Tall Timbers Research Station and Land Conservancy (US)
Corresponding author
Godwin, David
Venue
Forests
Publisher
MDPI AG
Published
2017-07-30
Volume
8
Issue
8
Pages
274
ISSN
1999-4907 (ISSN-L)
OpenAlex
W2740797183
Cited by
30
References
46
Citations by year
2026: 1 · 2025: 7 · 2024: 4 · 2023: 1 · 2022: 2 · 2021: 4 · 2020: 6 · 2019: 2 · 2018: 3
FWCI
2.09
Type
journal article
Language
en
Open access
Locations
  • Forests (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • 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
  • Physical Sciences › Environmental Science › Global and Planetary Change › Plant Water Relations and Carbon Dynamics
Keywords
soil CO2 efflux, prescribed burning, fire frequency, soil temperature, soil carbon flux, fire suppression, ecosystem carbon budget, soil moisture

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