Fire-scarred cross-section of a ponderosa pine from the Santa ... the fire can damage the living tissue below the bark, leaving a fire scar. Tree-ring fire scars provide information about the ...

Here rules professor Thomas Swetnam, tree ring ... creates another scar," he says. "And another, and another, and another, and another, and another." Scars from thousands of sections show how ...

But unlike a tree ring history that's based on just ... The trees can grow over a lot of these scars, but in cross sections, that can be easily spotted and dated. "That way were able to establish ...

By cutting a cross-section of a tree stump, Parks points out how trees can carry scars from long-ago fires that were set every 10 to 30 years by the Bitterroot Salish tribe that lived here.

Over time, scars begin to flatten and fade, but they may never completely go away. Tea tree oil’s antibacterial properties can reduce your risk of developing an infection in an open wound ...

Scars on trees left by fires hundreds of years ago are helping scientists understand past wildfire trends across North America and giving clues to how blazes might unfold with further climate change.

They reached that determination, in part, by studying the rings of trees collected from thousands of sites across the Western U.S. Cross-sections or ... Dark scars can denote wildfires.