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Seasonality and fire severity in savanna landscapes of monsoonal northern Australia

Russell-Smith, Jeremy and Edwards, Andrew C. (2006). Seasonality and fire severity in savanna landscapes of monsoonal northern Australia. International Journal of Wildland Fire,15(4):541-550.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 45 times in Scopus Article | Citations

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IRMA ID A00012xPUB25
Title Seasonality and fire severity in savanna landscapes of monsoonal northern Australia
Author Russell-Smith, Jeremy
Edwards, Andrew C.
Journal Name International Journal of Wildland Fire
Publication Date 2006
Volume Number 15
Issue Number 4
ISSN 1049-8001   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-33845726043
Start Page 541
End Page 550
Total Pages 10
Place of Publication Collingwood
Publisher CSIRO Publishing
HERDC Category C1 - Journal Article (DEST)
Abstract Ten years of photo and associated data records from an extensive fire and vegetation effects monitoring programme established in two large north Australian National Parks were used to ( 1) develop a simple-to-use semiquantitative fire severity index based on observed fire impact on vegetation, particularly leaf-scorch height; and ( 2) explore relationships between seasonality and fire severity in different landform and vegetation types. Using a three-tiered fire severity scale, data for 719 fires recorded from 178 plots over the period 1995-2004 indicate that the great majority of early dry season (pre-August) fires were of very low severity (fire-line intensities << 1000kW m(-1)), whereas fires later in the dry season were typically of substantially greater severity. Similar trends were evident for vegetation occupying all landform types. The utility and limitations of the fire severity index, and implications for ecologic, greenhouse inventory, and remote sensing applications are discussed.
Keywords fire intensity
fire regime
fire severity index
vegetation monitoring
kakadu-national-park
wet-dry tropics
burn severity
vegetation
intensity
regimes
patchiness
management
weather
DOI http://dx.doi.org/10.1071/WF05111   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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Created: Wed, 28 Nov 2007, 14:16:08 CST