Investigating the Relationship between Fire Severity and Post-Fire Vegetation Regeneration and Subsequent Fire Vulnerability

The Australian 2019–2020 wildfires impacted the subtropical rainforest with a variety of burn severities, making them vulnerable to another burn. Rainforest post-fire regenerated vegetation could be highly flammable, containing fire-promoting species such as Lantana camara and fire-suppressing speci...

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Published in:Forests Vol. 14; no. 2; p. 222
Main Authors: Thalia Ross, Sanjeev K. Srivastava, Alison Shapcott
Format: Journal Article
Language:English
Published: MDPI AG 01-02-2023
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Abstract The Australian 2019–2020 wildfires impacted the subtropical rainforest with a variety of burn severities, making them vulnerable to another burn. Rainforest post-fire regenerated vegetation could be highly flammable, containing fire-promoting species such as Lantana camara and fire-suppressing species such as Phytolacca octandra. This study investigated whether early post-fire regeneration may make rainforests more flammable and if this varies with fire severity. This study sampled three national parks where rainforest burnt in 2019–2020 across different fire severities to test if there were consistent patterns in post-fire regeneration flammability. We found that flammable species increased in the regions where fire severity was higher.
AbstractList The Australian 2019–2020 wildfires impacted the subtropical rainforest with a variety of burn severities, making them vulnerable to another burn. Rainforest post-fire regenerated vegetation could be highly flammable, containing fire-promoting species such as Lantana camara and fire-suppressing species such as Phytolacca octandra. This study investigated whether early post-fire regeneration may make rainforests more flammable and if this varies with fire severity. This study sampled three national parks where rainforest burnt in 2019–2020 across different fire severities to test if there were consistent patterns in post-fire regeneration flammability. We found that flammable species increased in the regions where fire severity was higher.
Author Alison Shapcott
Sanjeev K. Srivastava
Thalia Ross
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  fullname: Thalia Ross
  organization: School of Science, Technology and Engineering and Centre for Bioinnovation, University of the Sunshine Coast, Maroochydore, QLD 4558, Australia
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  fullname: Sanjeev K. Srivastava
  organization: School of Science, Technology and Engineering and Centre for Bioinnovation, University of the Sunshine Coast, Maroochydore, QLD 4558, Australia
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  fullname: Alison Shapcott
  organization: School of Science, Technology and Engineering and Centre for Bioinnovation, University of the Sunshine Coast, Maroochydore, QLD 4558, Australia
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Snippet The Australian 2019–2020 wildfires impacted the subtropical rainforest with a variety of burn severities, making them vulnerable to another burn. Rainforest...
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StartPage 222
SubjectTerms disturbance
fire regeneration
flammability
rain forest fire
remote sensing
Title Investigating the Relationship between Fire Severity and Post-Fire Vegetation Regeneration and Subsequent Fire Vulnerability
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