Cited by 37Fire effects on ecosystemsEcosystem dynamics and resilienceTree-ring climate responses

Is Anthropogenic Pyrodiversity Invisible in Paleofire Records?

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Roos, Christopher I., Williamson, Grant J., Bowman, David M. J. S.·2019·Fire

Abstract

Paleofire studies frequently discount the impact of human activities in past fire regimes. Globally, we know that a common pattern of anthropogenic burning regimes is to burn many small patches at high frequency, thereby generating landscape heterogeneity. Is this type of anthropogenic pyrodiversity necessarily obscured in paleofire records because of fundamental limitations of those records? We evaluate this with a cellular automata model designed to replicate different fire regimes with identical fire rotations but different fire frequencies and patchiness. Our results indicate that high frequency patch burning can be identified in tree-ring records at relatively modest sampling intensities. However, standard methods that filter out fires represented by few trees systematically biases the records against patch burning. In simulated fire regime shifts, fading records, sample size, and the contrast between the shifted fire regimes all interact to make statistical identification of regime shifts challenging without other information. Recent studies indicate that integration of information from history, archaeology, or anthropology and paleofire data generate the most reliable inferences of anthropogenic patch burning and fire regime changes associated with cultural changes.

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  • Identifying frequent burning by mobile foragers is particularly challenging using conventional fire frequency metrics in areas with abundant lightning that burned once or twice per decade, such as the dry pine forests of the Southwest United States.

    “In areas with abundant lightning that burned once or twice per decade, such as the dry pine forests of the Southwest United States, identifying frequent burning by mobile foragers would be particularly challenging using conventional fire frequency metrics (19).”

    From Tree rings reveal persistent Western Apache (Ndee) fire stewardship and niche construction in the American Southwest (2025) · cites this paper as [19]

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  • Because lightning is abundant in the region and fires were already frequent, it has generally been challenging to unambiguously identify Indigenous contributions to fire regimes using conventional fire frequency metrics.

    “Because lightning is abundant in the region and fires were already frequent, it has generally been challenging to unambiguously identify Indigenous contributions to fire regimes using conventional fire frequency metrics (16, 19).”

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Research works printed but not linked: 7

  1. Dobyns, H.F. From Fire to Flood; Ballena Press: Socorro, NM, USA, 1981.
  2. Vale, T.R. (Ed.) Fire, Native Peoples, and the Natural Landscape; Island Press: Washington, DC, USA, 2002.
  3. Veblen, T.T., Baker, C.M., Montenegro, G., Swetnam, T.W., Eds.; Springer: New York, NY, USA, 2003; pp. 158-195.
  4. Guyette, R.P.; Muzika, R.M.; Dey, D.C. Dynamics of an Anthropogenic Fire Regime. Ecosystems 2002, 5, 472-486.
  5. Ritchie, M.W., Maguire, D.A., Youngblood, A., Eds.; Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture: Albany, CA, USA, 2005; pp. 197-225.
  6. Velikova, V., Chipev, N., Eds.; UNESCO-ROSTE/BAS Workshop on Regime Shifts: Varna, Bulgaria, 2005; pp. 17-24.
  7. Farris, C.A.; Baisan, C.H.; Yool, S.R.; Swetnam, T.W. Spatial and temporal corroboration of fire-scar based fire history reconstructions in a frequently burned wilderness area in southern Arizona. Can. J. For. Res. 2010, 20, 1598-1614.

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Authors
Roos, C. I., Williamson, G. J., & Bowman, D. M. J. S.
Affiliations
  • Southern Methodist University (US)
  • University of Tasmania (AU)
Corresponding author
Roos, Christopher I.
Venue
Fire
Publisher
MDPI AG
Published
2019-07-18
Volume
2
Issue
3
Pages
42
ISSN
2571-6255 (ISSN-L)
OpenAlex
W2956317085
Cited by
37
References
65
Citations by year
2026: 5 · 2025: 6 · 2024: 4 · 2023: 3 · 2022: 7 · 2021: 7 · 2020: 4 · 2019: 1
FWCI
2.44
Type
journal article
Language
en
Open access
Locations
  • Fire (publishedVersion, cc-by)
  • UTAS Research Repository (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
  • Australian Research Council (DP150101777)
  • Samuel Taylor Fellowship (NA)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Fire effects on ecosystems
  • Physical Sciences › Environmental Science › Global and Planetary Change › Ecosystem dynamics and resilience
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Tree-ring climate responses
Keywords
paleofire records, fire regime shifts, patch burning, fire frequency, sampling bias, cellular automata model, fire rotation, landscape heterogeneity, fire regime reconstruction

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