nature & planetanalysisThe Conversation
How protecting wilderness could mean purposefully tending it, not just leaving it alone
More than 110 million acres of US land are designated wilderness, where the 1964 Wilderness Act bars logging, mining, roads and mechanized equipment. Many of these areas were long tended by Indigenous peoples using fire and cultivation that shaped the landscape. Climate change and decades of fire suppression have now caused severe wildfires that killed large numbers of giant sequoias and turned some forests into shrubland, while some pine forests are declining without fire. Researchers argue that protecting wilderness may require active management, such as prescribed burning and tribal-led stewardship.
Fire historically kept many forests open by burning often and at low intensity. Decades of suppression let fuel build up, so when fires do start they burn hot enough to kill mature trees, which can convert forest into shrubland.
The idea that wilderness is best left alone is being challenged by climate change and by Indigenous history on these lands. How federal rules adapt will shape how these ecosystems look in coming decades.
The Gila Wilderness in New Mexico, designated in 1924, was the first formal wilderness area in the United States.
Illustrative photo · Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons
