Flammability as an ecological and evolutionary driver
Journal of Ecology
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Abstract
- We live on a flammable planet yet there is little consensus on the origin and evolution of flammability in our flora.
- We argue that part of the problem lies in the concept of flammability, which should not be viewed as a single quantitative trait or metric. Rather, we propose that flammability has three major dimensions that are not necessarily correlated: ignitability, heat release and fire spread rate. These major axes of variation are controlled by different plant traits and have differing ecological impacts during fire.
- At the individual plant scale, these traits define three flammability strategies observed in fire-prone ecosystems: the non-flammable, the fast-flammable and the hot-flammable strategy (with low ignitability, high flame spread rate and high heat release, respectively). These strategies increase the survival or reproduction under recurrent fires, and thus, plants in fire-prone ecosystems benefit from acquiring one of them; they represent different (alternative) ways to live under recurrent fires.
- Synthesis. This novel framework based on different flammability strategies helps us to understand variability in flammability across scales, and provides a basis for further research.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Flammability as an ecological and evolutionary driver |
| Series title | Journal of Ecology |
| DOI | 10.1111/1365-2745.12691 |
| Volume | 105 |
| Issue | 2 |
| Publication Date | November 21, 2016 |
| Year Published | 2017 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Western Ecological Research Center |
| Description | 9 p. |
| First page | 289 |
| Last page | 297 |