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

International Journal of Wildland Fire

International Journal of Wildland Fire

International Journal of Wildland Fire welcomes papers on basic and applied aspects of wildland fire science including, but not confined to, ecological impact, modelling fire and its effects, and management of fire. Read more about the journalMore

Editors-in-Chief: Susan G. Conard and Stefan Doerr

Current Issue

International Journal of Wildland Fire

Volume 25 Number 9 2016

WF15181The importance of the traditional fire knowledge system in a subtropical montane socio-ecosystem in a protected natural area

H. Leonardo Martínez-Torres, Alicia Castillo, M. Isabel Ramírez and Diego R. Pérez-Salicrup
pp. 911-921

A traditional fire knowledge system exists in the Monarch Butterfly Biosphere Reserve in Mexico that is transmitted orally and through practice. It includes nine types of fire uses for agriculture, animal husbandry and forestry activities. We recommend that this knowledge should be incorporated into an integrated fire management plan.

WF15211Fire regime from 1973 to 2011 in north-western Patagonian grasslands

Facundo José Oddi and Luciana Ghermandi
pp. 922-932

Studies about fire regimes in grasslands are lacking. We described the recent fire regime of north-western Patagonian grasslands using remote sensed data combined with fire statistics from an operational database. Our results contribute to general knowledge about fire in grasslands and provide useful information for sustainable management of these ecosystems.

To better understand post-fire recovery of big sagebrush ecosystems, we sampled and analysed data collected in and near 16 fires that burned between 5 and 28 years ago. Our results indicate that big sagebrush recovery is a highly variable but generally slow process that may require several decades on average.

WF15194Response of soil seed bank to a prescribed burning in a subtropical pine–oak forest

Susana Zuloaga-Aguilar, Alma Orozco-Segovia, Oscar Briones and Enrique Jardel Pelaez
pp. 946-954

This is the first study conducted on the effect of prescribed burning on the soil seed bank in a subtropical pine–oak forest. Our results show that the soil seed bank can promote revegetation, persistence and diversity of the pine–oak understorey vegetation following fire.

WF15216Modelling fire probability in the Brazilian Amazon using the maximum entropy method

Marisa G. Fonseca, Luiz Eduardo O. C. Aragão, André Lima, Yosio E. Shimabukuro, Egidio Arai and Liana O. Anderson
pp. 955-969

We use the Maximum Entropy method (MaxEnt) to model the probability of fire occurrence in the Brazilian Amazon during the 2008 and 2010 fire seasons and we conclude that MaxEnt may become an important tool to guide firefighting and fire-prevention programs to minimise forest degradation and carbon loss from fires in the Amazon.

WF15191A power series formulation for two-dimensional wildfire shapes

J. E. Hilton, C. Miller and A. L. Sullivan
pp. 970-979

How a fire develops into a certain shape is still an open area of research. We provide a method to mathematically describe the growth of a fire perimeter and use this method to produce shapes described in the literature and matched to experimental fires. The method could be used for flexible fire shape templates in computational systems or to build two-dimensional rate of spread models for fire prediction.

WF15177Fire spread in chaparral – a comparison of laboratory data and model predictions in burning live fuels

David R. Weise, Eunmo Koo, Xiangyang Zhou, Shankar Mahalingam, Frédéric Morandini and Jacques-Henri Balbi
pp. 980-994

Prescribed burning in chaparral occurs under marginal burning conditions that are often difficult to predict. This paper compares the ability of several models to predict fire spread success and fire rate of spread with observed rate of spread from laboratory fires in fuel beds composed of only live chaparral shrubs.

WF16036Evaluation of the predictive capacity of dead fuel moisture models for Eastern Australia grasslands

Miguel G. Cruz, Susan Kidnie, Stuart Matthews, Richard J. Hurley, Alen Slijepcevic, David Nichols and Jim S. Gould
pp. 995-1001

We evaluated the predictive capacity of dead fuel moisture models for grassland fuels in Australia. We identified the most accurate models and the error associated with them. Results have direct operational application for fire behaviour prediction and fire danger rating, and to determine public warning levels.

WF16007Laboratory experiments to estimate interception of infrared radiation by tree canopies

Bill J. Mathews, Eva K. Strand, Alistair M. S. Smith, Andrew T. Hudak, B. Dickinson and Robert L. Kremens
pp. 1009-1014

Estimates of biomass-burning in wildfires or prescribed fires are needed to account for the production of trace gases and aerosols that enter the atmosphere during combustion. Research has demonstrated that the biomass consumption rate is linearly related to fire radiative power (FRP), and that total biomass consumed is linearly related to fire radiative energy (FRE). Measurement of these is biased by certain characteristics of a forest canopy, such as foliar moisture content and tree canopy cover. Laboratory experiments were conducted to assess the influence of canopy cover on the FRP observed from an overhead sensor (e.g. an aircraft or satellite). A range of canopy cover from 0 to 90% and two classes of canopy (non-transpiring living and desiccated branches) were used in the experiments. Experiments suggest that in cases of complete or nearly complete canopy closure, fires obscured by the canopy may be below the detection threshold of above-canopy FRP sensors. Results from this research will reduce uncertainties in estimates of biomass consumption in surface fires burning under forest canopies.

This study quantified the impact of canopy cover interception on estimates of fire radiative power via a laboratory experiment. Samples included both desiccated and non-transpiring living branches assessed over a range of canopy covers. Results characterised the rate of attenuation of fire radiative power with canopy cover.

Current Issue

The peer-reviewed and edited version of record published online before inclusion in an issue

Published online 23 June 2016

WF16080Chaparral growth-ring analysis as an indicator of stand biomass development

Kellie A. Uyeda, Douglas A. Stow, John F. O'Leary, Christina Tague and Philip J. Riggan

We investigated the utility of using shrub growth-ring measurements to estimate annual biomass accumulation in a stand of southern California chaparral from 4 to 11 years after burning. The pattern of biomass accumulation tracked closely with precipitation.

Published online 12 September 2016

WF16016Soil heating during the complete combustion of mega-logs and broadcast burning in central Oregon USA pumice soils

Jane E. Smith, Ariel D. Cowan and Stephen A. Fitzgerald

Extreme soil heating is a concern to forest managers. Temperatures lethal to fine roots and soil organisms were measured beneath combusted mega-logs to at least 10 cm for about seven hours. Soils in a broadcast burn of masticated fuels experienced lethal temperatures in most cases only at the surface for about an hour.

Published online 12 September 2016

WF15223Visual assessments of fuel loads are poorly related to destructively sampled fuel loads in eucalypt forests

Liubov Volkova, Andrew L. Sullivan, Stephen H. Roxburgh and Christopher J. Weston

Visual assessment of forest fuels is often used to estimate fuel load and predict fire behaviour. More than 500 visual assessments were compared against destructively sampled fuel loads, showing poor correlation between the two and highlighting several serious deficiencies in the operational fuel hazard assessment process.

Published online 12 September 2016

WF16058Anthropogenic influence on wildfire activity in Alberta, Canada

François-Nicolas Robinne, Marc-André Parisien and Mike Flannigan

We investigated the effect of human development on the area burned in Alberta over a 31-year period. We tested the importance of several human factors. Our results point to a possible ‘ecological frontier’ in which human ignitions increase landscape fire susceptibility in areas where recent industrial expansion and forested wildlands overlap.

Published online 06 September 2016

WF15164Social acceptability of fuel management in the Australian Capital Territory and surrounding region

Melinda R. Mylek and Jacki Schirmer

This paper explores acceptability of prescribed burning, livestock grazing and mechanical thinning used to reduce wildland fire risk to life and property, in an Australian context. All were considered acceptable by most survey respondents. Acceptability was associated with social trust, knowledge of fuel management and feeling vulnerable to wildland fire.

Published online 21 September 2016

WF15171The role of weather, past fire and topography in crown fire occurrence in eastern Australia

Michael Storey, Owen Price and Elizabeth Tasker

We investigated the main drivers of crown fire by analysing GIS and remote sensing data for 23 bushfires from New South Wales dry forests. Our findings suggest that the influence on crown fire likelihood of weather, fuel levels and slope are not adequately incorporated into current fire behaviour models and fuel management strategies.

Published online 21 September 2016

WF16020Recovery and adaptation after wildfire on the Colorado Front Range (2010–12)

Miranda H. Mockrin, Susan I. Stewart, Volker C. Radeloff and Roger B. Hammer

Time after wildfire is often discussed as an opportunity for policy change and adaptation, where new regulations and rebuilding can transform the wildland–urban interface, reducing future risk. Our study of recovery post-fire in Colorado found some evidence of adaptation, but also extensive reinvestment in hazard-prone environments, supported by local governments.

We calculated occurrence rates of 50 bird species in a mixed-conifer forest for 10 years following fire and found that most species (60%) were more abundant in burned than unburned forest, but the positive response to fire was often apparent only under a specific combination of fire severity and time-since-fire parameters.

Published online 21 July 2016

WF16022The impact of traditional fire management on soil carbon and nitrogen pools in a montane forest, southern Ethiopia

Dong-Gill Kim, Habitamu Taddese, Abrham Belay and Randy Kolka

Traditional fire management has been used in African landscapes but there is uncertainty in our understanding of its impact on soil carbon and nitrogen. Our study shows that traditional fire management did not affect forest floor or mineral soil carbon and nitrogen pools in a montane forest in southern Ethiopia.

Published online 02 August 2016

WF15081Predicting wildfire spread and behaviour in Mediterranean landscapes

Michele Salis, Bachisio Arca, Fermin Alcasena, Margarita Arianoutsou, Valentina Bacciu, Pierpaolo Duce, Beatriz Duguy, Nikos Koutsias, Giorgos Mallinis, Ioannis Mitsopoulos, José M. Moreno, José Ramón Pérez, Itziar R. Urbieta, Fotios Xystrakis, Gonzalo Zavala and Donatella Spano

We used the FARSITE fire spread simulator to predict the spread of a set of wildfires that occurred in southern Europe. We statistically evaluated the accuracy of FARSITE in predicting the actual fires. We observed a positive effect of the use of customised fuel models vs standard models on simulation accuracy.

Published online 21 September 2016

WF16032Projected changes in Australian fire regimes during the 21st century and consequences for ecosystems

S. P. Harrison and D. I. Kelley

Simulations show reduced burnt area in northern Australia and increased burnt area in central and southern Australia in response to projected changes in 21st century climate. Climate-induced vegetation changes are as important as climate in determining future fire regimes. Changes in fire regime are large enough to cause changes in vegetation patterns.

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