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Trends and Gaps in Prescribed Burning Research.

Luke Gordon1, Maldwyn John Evans2, Philip Zylstra2,3

  • 1Fenner School of Environment and Society, The Australian National University, Canberra, ACT, 2601, Australia. luke.gordon@anu.edu.au.

Environmental Management
|January 31, 2025
PubMed
Summary

Prescribed burning research is dominated by high-income countries, revealing geographical bias. More interdisciplinary studies are needed to address knowledge gaps in diverse ecosystems, especially concerning climate change impacts.

Keywords:
Ecological burnHazard reductionPrescribed burnStructural topic modelText analysisWildfire

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Area of Science:

  • Environmental Science
  • Forestry
  • Ecology

Background:

  • Prescribed burning is a vital land management tool globally for wildfire risk reduction and ecological objectives.
  • Significant knowledge gaps exist in the international research on prescribed burning practices.

Purpose of the Study:

  • To identify key research topics in prescribed burning literature.
  • To analyze temporal, spatial, and economic trends in this research.
  • To pinpoint knowledge gaps and suggest future research directions.

Main Methods:

  • Text analysis of 7878 peer-reviewed articles using structural topic modeling and geoparsing.
  • Investigation of geographical and national income correlations with research trends.

Main Results:

  • Research is heavily concentrated in high-income countries, notably the United States, indicating a geographical bias.
  • Dominant topics include Fire Regimes and Landscape Biodiversity Management, with recent growth in Air Pollution & Health and Wildfire Risk Management.
  • A disconnect exists between forestry research and broader landscape management.

Conclusions:

  • Geographical bias in prescribed burning research may limit global applicability.
  • Increased interdisciplinary research is crucial, focusing on diverse ecosystems and underrepresented regions.
  • Future research should address knowledge gaps, particularly in the context of climate change.