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When Preconceptions are Misconceptions
Fire Response of the Mount Lofty Ranges Chestnut-rumped Heathwren
K. Abley, M. Pickett and
Luke C. Price
Ecologically informed fire
mgmt. requires knowledge
of:
- Distribution
- Fire response and
- Ecological requirements
‘Fuel’ vs habitat management in the urban interface
MLR Chestnut-rumped Heathwren (EPBC: Endangered)
• Small terrestrial passerine. Limited dispersal (?)
• Persists in isolated, heath dominated habitat
• Perception species requires long-unburnt habitat
• Popn viability depends on careful burn planning
Post-fire CRHW recolonisation
• Surveys undertaken to determine post-fire fidelity and occupancy
• Utilising habitat from 2 yrs post-burn
• Do CRHW really prefer long unburnt habitat?
The Ultimate Test: When a PB
becomes a Bushfire
2010
2006
2007
2013
1983CRHW recorded
Unsuitable
Low
Moderate
High
Habitat quality
Two Years Later: Regenerating Habitat Preferred
CRHW recorded
Unsuitable
Low
Moderate
High
Habitat quality
KEY MESSAGE
Expert opinion is great but monitoring and data is better!
It’s not just about how much and how often burning occurs.
Intensity is important and low intensity isn’t always best!
ADDITIONAL THOUGHT:
BushfireConf2017 – 10. When Preconceptions are Misconceptions – the Importance of Ecological Monitoring to Inform Prescribed Burning.

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BushfireConf2017 – 10. When Preconceptions are Misconceptions – the Importance of Ecological Monitoring to Inform Prescribed Burning.

  • 1. When Preconceptions are Misconceptions Fire Response of the Mount Lofty Ranges Chestnut-rumped Heathwren K. Abley, M. Pickett and Luke C. Price
  • 2. Ecologically informed fire mgmt. requires knowledge of: - Distribution - Fire response and - Ecological requirements ‘Fuel’ vs habitat management in the urban interface
  • 3. MLR Chestnut-rumped Heathwren (EPBC: Endangered) • Small terrestrial passerine. Limited dispersal (?) • Persists in isolated, heath dominated habitat • Perception species requires long-unburnt habitat • Popn viability depends on careful burn planning
  • 4. Post-fire CRHW recolonisation • Surveys undertaken to determine post-fire fidelity and occupancy • Utilising habitat from 2 yrs post-burn • Do CRHW really prefer long unburnt habitat?
  • 5. The Ultimate Test: When a PB becomes a Bushfire 2010 2006 2007 2013 1983CRHW recorded Unsuitable Low Moderate High Habitat quality
  • 6. Two Years Later: Regenerating Habitat Preferred CRHW recorded Unsuitable Low Moderate High Habitat quality
  • 7. KEY MESSAGE Expert opinion is great but monitoring and data is better! It’s not just about how much and how often burning occurs. Intensity is important and low intensity isn’t always best! ADDITIONAL THOUGHT: