Science news articles about 'fire history'

... ,000 years. "It's the longest tree-ring fire history in the world, and it's from this amazing place with these amazing ... . Increasingly, researchers all over the world are using charcoal to reconstruct fire histories, Swetnam said. Many scientists are analyzing the global ...

... power of viruses is well documented in human history. Swarms of little viral Davids have repeatedly ... population in the Americas. To verify their results, they checked their fire histories based on the charcoal data against ...

... change." Higuera and his colleagues studied fire history in northern Alaska by analyzing sediments at the bottom of lakes, some dating as far back as 15 ...

... new study reconstructing thousands of years of fire history in the southern Appalachians supports the use of prescribed ... to more than 4,000 years ago to reconstruct the fire history of a 25-acre site in the Nantahala ...

... shifts in community structure based both on fire history and soil type. This suggests that these soils are possibly shifting toward supporting microbial groups ...

... ago did not result in significantly greater fire activity, according to a landmark new research report on the continent's fire history going back 70,000 ...

... scars in tree stumps. Their study, the most in-depth fire history reported for the upper Midwest, reveals ... injured by numerous intense fires. McClain is an expert in the fire history of Illinois and surrounding states ...

COLLEGE STATION, Texas, Sept. 7 (UPI) -- Tree rings can yield valuable information on forest fires, even ones that occurred hundreds of years ago, a U.S. researcher says.

A model helps chart the history of how human-started fires shaped Africa's landscape, say researchers.

... 3,000 years. They compared that with independent fire-history data drawn from historical records ... , logging activity and railroading. "We can use the relationship between climate and fire," Marlon said, "to answer the question: What would ...

... of what layers of charcoal in lake-bottom sediment can tell us about an area's forest fire history, at the world's largest science fair ...