low-severity fire
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I continuously see articles in the media about “good fire, ” defined as frequent and low–severity. In other words, such fire seldom kills mature trees. These fires, we are told, mimic “historical” conditions, creating “healthy” ecosystems by clearing away fuels without killing mature trees. A “good fire” by happy coincidence reduces high-severity blazes or so…
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Roberts Fire near Glacier National Park, Montana. Photo George Wuerthner A few weeks ago, I attended a panel discussion about wildfires. All the panelists and the moderator suggested that large mega fires resulted from fuels that had attained unnatural levels due to a “hundred years of fire suppression.” The idea that fire suppression is responsible…
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Severe deforestation on the Wallowa Whiteman National Forest, Oregon justified by fire scar reconstructions. Photo George Wuerthner One of the biggest problems, and also a source of disagreements in wildfire discussions, stems from the use of different temporal and spatial scales. What may seem like excessive wildfire under one set of temporal and spatial assumptions…
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High-severity blazes are critical to healthy forest ecosystems. Photo George Wuerthner I read yet another study circulated by UC Davis and doggedly promoted by the national media, encouraging more prescribed burning, thinning, and forest manipulation to reduce large high-severity blazes characterized as “bad.” The headline from UC Davis proclaims that scientists have documented, “Unprecedented…
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The Bridger Canyon Fire by Bozeman burned during a period of high winds and extreme drought. The resulting snag forest is considered by some to be an example of a “bad” fire. Photo George Wuerthner I continuously read articles by journalists and others who expound on fire issues that promotes several inaccuracies. Here’s just one…
