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Journal article
Burn severity and proximity to undisturbed forest drive post-fire recovery in the tropical montane forests of northern Vietnam
Fire ecology, Vol.19(1), 47
2023
Abstract
Background
In recent decades, fire has increasingly occurred in the tropical montane rainforests of northern Vietnam. However, there are few studies of the effects of fire on forest composition and recovery in this region, and understanding these effects is critical for effective forest fire management and conservation. Forest plant species richness, structure (density, basal area), and composition were quantified for 133 forest plots randomly located in unburned (> 20 years since last fire) and recently burned (3–9 years since fire) vegetation associated with ten selected wildfires in three provinces of northern Vietnam where fires since 2000 were most frequent. Linear mixed effect models and nonmetric multidimensional scaling (NMDS) ordination were used to explore the structure, richness, and composition of burned and unburned forests and their environmental drivers, and to explore the key drivers of regeneration patterns in burned forest, including time since fire occurrence, fire severity, and distance to unburned forest edge.
Results
Total species richness and diversity, tree species richness, tree density, and basal area were higher in unburned (vs. burned) forest plots, low (vs. high) severity burn areas, near (vs. far) from the closest unburned forest edge, and longer (vs. shorter) time since last fire. Results suggest that while burned forests were recovering on a trajectory back towards unburned forest composition, recovery was likely to be markedly slowed where fires were large (distance from edge effects) and/or of high severity, and forests may shift towards a different state (i.e., composition and structure) where more than one fire affects the same area over short time intervals.
Conclusions
This study provides insights into the effects of fire and other environmental factors on forest composition and recovery in the tropical montane forests of northern Vietnam, crucial for informing policymakers involved in forest conservation and management.
Details
- Title
- Burn severity and proximity to undisturbed forest drive post-fire recovery in the tropical montane forests of northern Vietnam
- Authors/Creators
- Pham T. Trang - Vietnam National University of ForestryMargaret E. Andrew - Murdoch University, Centre for Terrestrial Ecosystem Science and SustainabilityNeal J. Enright - Murdoch University, Centre for Terrestrial Ecosystem Science and Sustainability
- Publication Details
- Fire ecology, Vol.19(1), 47
- Publisher
- Springer International Publishing
- Identifiers
- 991005599562107891
- Copyright
- © 2023 The Author(s).
- Murdoch Affiliation
- School of Environmental and Conservation Sciences
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.40 Forestry
- 3.40.1598 Wildfire Dynamics
- Web Of Science research areas
- Ecology
- Forestry
- ESI research areas
- Environment/Ecology