Indigenous 'cultural burning' curtailed wildfire patterns on local scales in the southwestern U.S. over roughly 400 years, a new study finds. 'People can really learn from this,' a researcher says.
looked at tree-ring records of 4,824 fire-scarred trees in dry pine forests in Arizona and New Mexico.
By comparing tree-ring fire records with paleoclimate records and interviewing Indigenous descendent communities, researchers assessed how tribes handled wildfire centuries ago — with the aim to figure out the geographic scale of impact of Indigenous fire management. Toya noted that interviewing Indigenous elders provided insights into the ancestral practice that researchers wouldn't have found otherwise. "It shows that connection that our ancestors had to their homeland."Between 1500 and 1900, Indigenous tribes in the southwestern U.S. regularly burned grasses, small trees and vegetation to clear out debris, invite plant growth and utilize more land for farming, Toya tells Axios.
They view that as evidence of the Indigenous fire management itself diminishing the relationship between climate and fire.
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