在几十年的防火措施之后重新引入大规模的计划消防

Re-introducing broadscale planned fire following several decades of fire exclusionPresented by Dr Lachlan McCaw AFSM, RFPForestry Australia Fire Summit –26&27 June 2024Prescribed fire: Exploring science, culture and practiceSession #4: Achieving land management goals using prescribed fireOverview•Context for fire management in WA southern forests 1964 to 2024•Iffley forest block case study-harvest & regeneration-fire excluded while regenerated forest develops-when & how to re-introduce planned fire?•Operational factors-complexity of fuel types & drying rates-burn security-monitoring outcomes•Learnings applicable to other situations-mining landscapes-following major bushfiresIffley forest block, south-western Australia -34.25S 115.80ETall open forest Euc. diversicolor(karri)Open forest of Euc. marginata (jarrah) & Corymbiacalophylla (marri)Changes in forest management 1964 to 1974Prescribed fire –larger burns with aerial ignitionTimber harvest –return to even-aged management19641974Pres