For much of the United States, invasive grass species are making wildfires more frequent, especially in fire-prone California, a new study finds.
, which covers about one-third of the Intermountain West region of the U.S., is a big-time fire promoter, Bradley said.
Invasive species are spreading more because of climate change as warmer weather moves into new areas, said the study’s lead author, Emily Fusco, also of the University of Massachusetts. New England and the Mid-Atlantic are seeing new invasive and more flammable grasses, Bradley said.Proceedings of the National Academy of Sciences looks at the connections between a dozen species of invasive grasses and fires nationwide, finding fires occur more often in places with the non-native grasses.
“When you start a fire normally you want kindling,” Fusco said. “The grasses are, more or less, like kindling”
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