Cited by 332Fire effects on ecosystemsAvian ecology and behaviorRangeland and Wildlife Management

CHANGES IN BIRD ABUNDANCE AFTER WILDFIRE: IMPORTANCE OF FIRE SEVERITY AND TIME SINCE FIRE

Smucker, Kristina M., Hutto, Richard L., Steele, Brian M.·2005·Ecological Applications

Abstract

Fire can cause profound changes in the composition and abundance of plant and animal species, but logistics, unpredictability of weather, and inherent danger make it nearly impossible to study high-severity fire effects experimentally. We took advantage of a unique opportunity to use a before–after/control–impact (BACI) approach to analyze changes in bird assemblages after the severe fires of 2000 in the Bitterroot Valley, Montana. Observers surveyed birds using 10-minute point counts and collected vegetation data from 13 burned and 13 unburned transects for five years before fire and three years after fire. We compared changes in vegetation variables and relative bird abundance from before to after fire between the set of points that burned and the set of points that did not burn. The magnitude of change in vegetation variables from before to after fire increased with fire severity. The relative abundances of nine bird species showed significantly greater changes from before to after fire at burned points compared with unburned points. Moreover, when burned points were separated by whether they burned at low, moderate, or high severity, an additional 10 species showed significant changes in relative abundance from before to after fire at one or more severities. Overall, almost twice as many bird species increased as decreased significantly in response to fire. We also found changes in abundance between one year after and two years after fire for most species that responded to fire. Thus, species that have been termed “mixed responders” in the literature appear to be responding differently to different fire severities or different time periods since fire, rather than responding variably to the same fire conditions. These findings underscore the importance of fire severity and time since fire and imply that both factors must be considered to understand the complexities of fire effects on biological communities. Because different bird species responded positively to different fire severities, our results suggest a need to manage public lands for the maintenance of all kinds of fires, not just the low-severity, understory burns that dominate most discussions revolving around the use of fire in forest restoration.

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Crossref · 10.1890/04-1353

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  • Fire indirectly influences ungulate populations and avian communities through its effects on habitat quality, including forage and nesting opportunities.

    “For example, fire indirectly influences ungulate populations and avian communities through its effects on habitat quality, including forage and nesting opportunities (Hutto, 2008;Rupp et al., 2006;Smucker, Hutto, & Steele, 2005).”

    From Fire as a fundamental ecological process: Research advances and frontiers (2020) · cites this paper as Smucker et al., 2005

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Authors
Smucker, K. M., Hutto, R. L., & Steele, B. M.
Affiliations
University of Montana (US)
Corresponding author
Smucker, Kristina M.
Venue
Ecological Applications
Publisher
Wiley
Published
2005-10
Volume
15
Issue
5
Pages
1535-1549
ISSN
1051-0761 (ISSN-L)
OpenAlex
W2147552630
Cited by
332
References
42
Citations by year
2026: 7 · 2025: 10 · 2024: 12 · 2023: 10 · 2022: 18 · 2021: 17 · 2020: 12 · 2019: 24 · 2018: 13 · 2017: 17 · 2016: 21 · 2015: 26 · 2014: 17 · 2013: 21 · 2012: 20
FWCI
13.96
Type
journal article
Language
en
Open access
closed
Locations
  • Ecological Applications (publishedVersion)
  • The Mathematics Enthusiast (submittedVersion)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Fire effects on ecosystems
  • Physical Sciences › Environmental Science › Ecology › Avian ecology and behavior
  • Physical Sciences › Environmental Science › Ecology › Rangeland and Wildlife Management
Keywords
wildfire effects, fire severity, time since fire, bird abundance, bird community composition, vegetation change, fire management, prescribed burning, forest restoration, Bitterroot Valley

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