管理热带稀树草原火灾制度

Managing Savanna Fire RegimesDarwin Centre for Bushfire Research, Charles Darwin UniversityInternational Savanna Fire Management InitiativeJeremy Russell-SmithProportion of area burnt, 2003-2016, per 0.250 cells90% of global burnt area is from savannasGHG emissions from fires—1997-201662% of global fire emissions come from savannasvan der Werf et al. 2017Fire frequency of large fires 1988-2022Derived from AVHRR imagery—Landgate WASource: NGGI Report 2022Fire frequency 2000 – 2011, derived from MODIS imageryEarly dry seasonLate dry seasonScorch mostly <2 mPatchily burntEarly dry season (EDS), pre-August, prescribed firesTree canopy scorchedNot PatchyLate dry season (LDS), after August, unplanned / wildfiresNT Endemic plant speciesFire scars May 1999Fire scars for 1999ConocoPhillips LNG plant, Darwin Harbour28,000 km2 WAFMA areaDarlnyinDjungkayiMingkirrinjiFamilyNjirriMany ClansFiremenTraditional Aboriginal clan responsibilities for fire management wurrk in western Arnhem Land Source: Su