Cited by 30Fire effects on ecosystemsTree-ring climate responsesForest Management and Policy

Proximity to grasslands influences fire frequency and sensitivity to climate variability in ponderosa pine forests of the Colorado Front Range

Gartner, Meredith H., Veblen, Thomas T., Sherriff, Rosemary L., Schoennagel, Tania L.·2012·International Journal of Wildland Fire

Abstract

This study examines the influence of grasslands on fire frequency and occurrence in the ponderosa pine (Pinus ponderosa)-dominated forests of the central and northern Colorado Front Range. Fire frequency based on tree-ring fire-scar data was compared between 34 fire history sites adjacent to grasslands and 34 fire history sites not adjacent to grasslands for the time period 1675–1920. Relationships were examined between fire occurrence and values of the Palmer Drought Severity Index and sea-surface temperatures from the NINO3 region of the tropical Pacific Ocean (positive values indicating El Niño-like conditions and negative values La Niña-like conditions). Ponderosa pine stands adjacent to grasslands experienced more frequent fire than stands not adjacent to grasslands (P < 0.05) owing to proximity to prevalent fine fuels able to support relatively frequent surface fires. Fire activity adjacent to grasslands showed a lagged positive relationship with moist years (positive Palmer Drought Severity Index and positive NINO3) antecedent to fire events whereas fire occurrence at sites not adjacent to grasslands showed no relationship to antecedent moist years. This study illustrates how the presence of grasslands in a ponderosa pine landscape results in increased fire frequency (a bottom–up influence) and also increases the sensitivity of fire activity to interannual climate variability (a top–down influence).

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Crossref · 10.1071/wf10103

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  • Some of this variability is due to differences in species composition, vegetation structure and climate within a region.

    “Some of this variability is due to differences in species composition, vegetation structure and climate within a region (Gartner, Veblen, Sherriff, & Schoennagel, 2012;Heyerdahl, Brubaker, & Agee, 2001;Taylor & Skinner, 2003).”

    From Fire as a fundamental ecological process: Research advances and frontiers (2020) · cites this paper as Gartner, Veblen, Sherriff, & Schoennagel, 2012

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Authors
Gartner, M. H., Veblen, T. T., Sherriff, R. L., & Schoennagel, T. L.
Affiliations
  • University of Colorado Boulder (US)
  • Cal Poly Humboldt (US)
  • Institute of Arctic and Alpine Research (US)
Corresponding author
Gartner, Meredith H.
Venue
International Journal of Wildland Fire
Published
2012-04-26
Volume
21
Issue
5
Pages
562-571
ISSN
  • 1049-8001 (ISSN-L)
  • 1448-5516
OpenAlex
W2096275775
Cited by
30
References
60
Citations by year
2024: 2 · 2022: 2 · 2021: 2 · 2020: 4 · 2019: 2 · 2018: 4 · 2017: 4 · 2016: 1 · 2015: 2 · 2014: 4 · 2013: 1 · 2012: 2
FWCI
2.39
Type
journal article
Language
en
Open access
closed
Locations
International Journal of Wildland Fire (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Fire effects on ecosystems
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Tree-ring climate responses
  • Physical Sciences › Environmental Science › Global and Planetary Change › Forest Management and Policy
Keywords
ponderosa pine forests, fire frequency, fire history, Palmer Drought Severity Index, ENSO, climate variability, Colorado Front Range, fine fuels, surface fire

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