Banana trees to fight wildfires
IMAGE:
WORKFLOW FOR MODELING AND ANALYSIS OF EDIBLE FIRE BUFFERS USING EXISTING SOFTWARE TOOLS AND DATASETS, INCLUDING POSTSIMULATION CONSIDERATIONS SUCH AS SITE SELECTION AND BENEFITS. GREEN SPECIFIES INPUT COMPONENTS, BLUE SPECIFIES OUTPUT COMPONENTS WE VALIDATED, AND RED SPECIFIES POTENTIAL RESULTS WE DISCUSS BUT DID NOT VALIDATE.
view moreCREDIT: FU ET AL.
Fire buffers composed of irrigated banana trees could slow and calm wildfires and generate profit for residents of fire-prone regions, according to a study. Climate change is increasing wildfire risk. Wildfires in the Western United States doubled in frequency between 1984 and 2015. At the same time, more people are living in the wildland-urban interface (WUI) than ever before, an area that often has high or extreme fire risk. Barath Raghavan and colleagues investigate the potential of banana trees to act as a multifunctional fire buffer in the WUI. Banana trees have a high water content, ideal for stopping fire. When irrigated by recycled water, they can produce high-value crops. The team used a suite of models to simulate the behavior of the real 2017 Tubbs Fire, in Sonoma County, California, if banana tree buffers had been in place. Banana tree buffers 633 meters wide would have reduced the intensity of the fire by 96%, according to the model—a similar effect to that produced by treating forest areas with mechanical thinning and prescribed burning. When not slowing and calming fires, the banana trees could generate an estimated profit of $76,136 per hectare. Even if burned, bananas will resprout from their corms. Succulent ground covers could prevent flammable grasses from growing amongst the bananas. According to the authors, the results should be generally applicable to much of California, and to other areas with a Mediterranean climate, including regions of Mexico, Chile, Australia, and South Africa, and the Mediterranean Basin itself.
JOURNAL
PNAS Nexus
ARTICLE TITLE
Edible fire buffers: mitigation of wildfire with multifunctional landscapes
ARTICLE PUBLICATION DATE
24-Oct-2023
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