International Journal of Wildland Fire International Journal of Wildland Fire Society
Journal of the International Association of Wildland Fire
RESEARCH ARTICLE

Ignition and fire behaviour of Juniperus virginiana in response to live fuel moisture and fire temperature in the southern Great Plains

John R. Weir A B and J. Derek Scasta A
+ Author Affiliations
- Author Affiliations

A Department of Natural Resource Ecology and Management, Oklahoma State University, 008C Ag Hall, Stillwater, OK 74075, USA.

B Corresponding author. Email: john.weir@okstate.edu

International Journal of Wildland Fire 23(6) 839-844 https://doi.org/10.1071/WF13147
Submitted: 15 May 2013  Accepted: 12 March 2014   Published: 27 June 2014

Abstract

Fire is the most effective tool for managing Juniperus virginiana encroachment and associated fire risk, but its application has been limited. In a laboratory experiment we assessed a critical knowledge gap: how fire temperature and live fuel moisture (LFM) influences ignitability, sustainability, combustibility and consumability of J. virginiana. Percentage occurrence of ignition rose as fire temperature increased. The time to ignition increased while the occurrence of ignition decreased with increasing LFM. LFM and fire temperature each had a significant effect on all measured dependent variables (P ≤ 0.05) as was their interaction, except in the case of sustainability. As expected, time to flaming was shortest and flame lengths were the highest under the hottest fire and lowest LFM scenarios. Flame heights increased quadratically as LFM decreased with a critical threshold at 60% LFM. Land managers can select burning prescriptions based on the interaction between fire temperature and LFM to either increase J. virginiana ignition or reduce hazards. In this study, the low and moderate fire temperatures were similar to those of prescribed fires at low and high fuel loads and the high temperature level mimics conditions found in extreme wildfires. Thus, higher fuel loads and hotter fires are required to maximise efficacy of fires targeting J. virginiana control.

Additional keywords: combustion, fire effects, liability, prescribed fire, risk, wildfire.


References

Anderson HE (1970) Forest fuel ignitibility. Fire Technology 6, 312–319.
Forest fuel ignitibility.CrossRef | 1:CAS:528:DyaE3MXhsVent7g%3D&md5=94767b1c3d9cd2d3bec1f116906b7f5eCAS |

Ansley RJ, Jones DL, Tunnell TR, Kramp BA, Jacoby PW (1998) Honey mesquite canopy responses to single winter fires: relation to fine fuel, weather and fire temperature. International Journal of Wildland Fire 8, 241–252.
Honey mesquite canopy responses to single winter fires: relation to fine fuel, weather and fire temperature.CrossRef |

Behm AL, Duryea ML, Long AJ, Zipperer WC (2004) Flammability of native understory species in pine flatwood and hardwood hammock ecosystems and implications for the wildland-urban interface. International Journal of Wildland Fire 13, 355–365.
Flammability of native understory species in pine flatwood and hardwood hammock ecosystems and implications for the wildland-urban interface.CrossRef |

Blair BK, Sparks JC, Franklin J (2004) Effective application of prescribed burning In ‘Brush Management: Past, Present, Future’. (Eds WT Hamilton, A McGinty, DN Ueckert, CW Hanselka, MR Lee) pp. 187–199. (Texas A&M University Press: College Station, TX)

Bragg TB, Hulbert LC (1976) Woody plant invasion of unburned Kansas bluestem prairie. Journal of Range Management 29, 19–24.
Woody plant invasion of unburned Kansas bluestem prairie.CrossRef |

Briggs JM, Hoch GA, Johnson LC (2002) Assessing the rate, mechanisms and consequences of the conversion of tallgrass prairie to Juniperus virginiana forest. Ecosystems 5, 578–586.
Assessing the rate, mechanisms and consequences of the conversion of tallgrass prairie to Juniperus virginiana forest.CrossRef |

Bryant FC, Launchbaugh GK, Koerth BH (1983) Controlling mature Ashe juniper in Texas with crown fires. Journal of Range Management 36, 165–168.
Controlling mature Ashe juniper in Texas with crown fires.CrossRef |

Bunting SC, Wright HA, Wallace WH (1983) Seasonal variation in the ignition time of redberry juniper in West Texas. Journal of Range Management 36, 169–171.
Seasonal variation in the ignition time of redberry juniper in West Texas.CrossRef |

Butler BW, Cohen J, Latham DJ, Schuette RD, Sopko P, Shannon KS, Jimenez D, Bradshaw LS (2004) Measurements of radiant emissive power and temperatures in crown fires. Canadian Journal of Forest Research 34, 1577–1587.
Measurements of radiant emissive power and temperatures in crown fires.CrossRef |

Dennison PE, Charoensiri K, Roberts DA, Peterson SH, Green RO (2006) Wildfire temperature and land cover modeling using hyperspectral data. Remote Sensing of Environment 100, 212–222.
Wildfire temperature and land cover modeling using hyperspectral data.CrossRef |

Dev SR, Raghavan VG (2012) Advancements in drying techniques for food, fiber, and fuel. Drying Technology 30, 1147–1159.
Advancements in drying techniques for food, fiber, and fuel.CrossRef |

Elmore RD, Bidwell TG, Weir JR (2011) Perceptions of Oklahoma residents to prescribed fire. ‘In Proceedings of the 24th Tall Timbers Fire Ecology Conference: The Future of Prescribed Fire: Public Awareness, Health, and Safety’, 11–15 January 2009, Tallahassee, FL, USA. (Eds KM Robertson, KEM Galley, RE Masters) pp. 55–66 (Tall Timbers Research Station: Tallahassee, FL)

Engle DM, Kulbeth JD (1992) Fuel and weather related to kill of eastern red cedar from fire. In ‘Range Research Highlights 1983–1991 Circular E-905’. (Eds TG Bidwell, D Titus, D Cassels) pp. 14–15 (Oklahoma Cooperative Extension Service, Oklahoma State University: Stillwater, OK)

Engle DM, Stritzke JF, Claypool PL (1987) Herbage standing crop around eastern red cedar trees. Journal of Range Management 40, 237–239.
Herbage standing crop around eastern red cedar trees.CrossRef |

Engle DM, Bidwell TG, Ewing AL, Williams JR (1989) A technique quantifying fire behavior in grassland fire ecology studies. The Southwestern Naturalist 34, 79–84.
A technique quantifying fire behavior in grassland fire ecology studies.CrossRef |

Fernandes PM, Cruz MG (2012) Plant flammability experiments offer limited insight into vegetation–fire dynamics interactions. New Phytologist 194, 606–609.
Plant flammability experiments offer limited insight into vegetation–fire dynamics interactions.CrossRef | 22288940PubMed |

Ganteaume A, Jappiot M, Lampin C (2013) Assessing the flammability of surface fuels beneath ornamental vegetation in wildland–urban interfaces in Provence (south-eastern France). International Journal of Wildland Fire 22, 333–342.
Assessing the flammability of surface fuels beneath ornamental vegetation in wildland–urban interfaces in Provence (south-eastern France).CrossRef |

Hyde JC, Smith AM, Ottmar RD (2012) Properties affecting the consumption of sound and rotten coarse woody debris in northern Idaho: a preliminary investigation using laboratory fires. International Journal of Wildland Fire 21, 596–608.
Properties affecting the consumption of sound and rotten coarse woody debris in northern Idaho: a preliminary investigation using laboratory fires.CrossRef |

Keeley JE (2009) Fire temperature, fire severity and burn severity: a brief review and suggested usage. International Journal of Wildland Fire 18, 116–126.
Fire temperature, fire severity and burn severity: a brief review and suggested usage.CrossRef |

Kremens RL, Smith AMS, Dickinson MB (2010) Fire metrology: current and future directions in physics-based methods. Fire Ecology 6, 13–35.
Fire metrology: current and future directions in physics-based methods.CrossRef |

Martin RE, Gordon DA, Guierrez ME, Lee DS, Molina DM, Schroeder RA, Sapsis DB, Stephens SL, Chambers M (1994) Assessing the flammability of domestic and wildland vegetation. In ‘Proceedings of the 12th Conference on Fire and Forest Meteorology’, 26–28 October 1993, Jekyll Island, GA, pp. 130–137. (Society of American Foresters: Bethesda, MD)

Miller RF, Rose JA (1999) Fire history and western juniper encroachment in sagebrush steppe. Journal of Range Management 52, 550–559.
Fire history and western juniper encroachment in sagebrush steppe.CrossRef |

Ortmann J, Stubbendieck J, Masters RA, Pfeiffer GH, Bragg TB (1998) Efficacy and costs of controlling eastern red cedar. Journal of Range Management 51, 158–163.
Efficacy and costs of controlling eastern red cedar.CrossRef |

Owens MK, Lin CD, Taylor CA, Whisenant SG (1998) Seasonal patterns of plant flammability and monoterpenoid content in Juniperus ashei. Journal of Chemical Ecology 24, 2115–2129.
Seasonal patterns of plant flammability and monoterpenoid content in Juniperus ashei.CrossRef |

Palmer TY, Pace GD (1974) Microwave ovens for drying wildland fuels. The Journal of Microwave Power 9, 289–293.

Possell M, Bell TL (2013) The influence of fuel moisture content on the combustion of Eucalyptus foliage. International Journal of Wildland Fire 22, 343–352.
The influence of fuel moisture content on the combustion of Eucalyptus foliage.CrossRef | 1:CAS:528:DC%2BC3sXnsFSnsr8%3D&md5=331e530d8443bdb018386c990182195dCAS | [Published online early 11 October 2012]

Ridenour M (2010) Leading recommendations for preventing fire fighter fatalities, 1998–2005. DHHS-NIOSH Publication Number 2009–100. (DIANE Publishing: Darby)

SAS Institute (2011) SAS enterprise, version 5.3. (SAS Software: Cary, NC)

SysStat (2012) SigmaPlot for Windows, version 12.0. (SysStat Software: Chicago, IL)

Taylor CA, Twidwell D, Garza NE, Rosser C, Hoffman JK, Brooks TD (2012) Long term effects of fire, livestock herbivory removal and weather variability in Texas semiarid savanna. Rangeland Ecology and Management 65, 21–30.
Long term effects of fire, livestock herbivory removal and weather variability in Texas semiarid savanna.CrossRef |

Twidwell D, Fuhlendorf SD, Engle DM, Taylor CA (2009) Surface fuel sampling strategies: linking fuel measurements and fire effects. Rangeland Ecology and Management 62, 223–229.
Surface fuel sampling strategies: linking fuel measurements and fire effects.CrossRef |

Twidwell D, Fuhlendorf SD, Taylor CA, Rogers WE (2013) Refining thresholds in coupled fire-vegetation models to improve management of encroaching woody plants in grasslands. Journal of Applied Ecology 50, 603–613.
Refining thresholds in coupled fire-vegetation models to improve management of encroaching woody plants in grasslands.CrossRef |

USGS (2013) Digital representations of tree species range maps from ‘Atlas of United State Trees’ by Elbert L. Little Jr (and other publications). Available at http://esp.cr.usgs.gov/data/little/ [Verified 16 April 2014]

Weir JR, Reid AM, Fuhlendorf SD (2012) Wildfires in Oklahoma fact sheet NREM-2888. (Oklahoma Cooperative Extension Service Oklahoma State University: Stillwater)

White RH, Zipperer WC (2010) Testing and classification of individual plants for fire behaviour: plant selection for the wildland–urban interface. International Journal of Wildland Fire 19, 213–227.
Testing and classification of individual plants for fire behaviour: plant selection for the wildland–urban interface.CrossRef |

Wright HA, Bunting SC, Neuenschwander LF (1976) Effect of fire on honey mesquite. Journal of Range Management 29, 467–471.
Effect of fire on honey mesquite.CrossRef |



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