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The forests you see today are not what you will see in the future. That’s the overarching finding from a new study on the resilience of Rocky Mountain forests, led by Colorado State University.
Researchers analyzed data from nearly 1,500 sites in five states — Colorado, Wyoming, Washington, Idaho, and Montana — and measured more than 63,000 seedlings after 52 wildfires that burned over the past three decades. They wanted to understand if and how changing climate over the last several decades affected post-fire tree regeneration, a key indicator of forest resilience.
They found sobering results, including significant decreases in tree regeneration following wildfires in the early 21st century, a period markedly hotter and drier than the late 20th century. The research team said that with a warming climate, forests are less resilient after wildfires.
“We often talk about climate change and how it will affect us in the future, but the truth is we are already seeing those changes,” said Camille Stevens-Rumann, assistant professor in the Department of Forest and Rangeland Stewardship at CSU. “Disturbances like wildfires are a catalyst for change. In many places, forests are not coming back after fires.”
Continue reading at Colorado State University
Photo: Few surviving trees remain in the changed landscape located in the Frank Church-River of No Return Wilderness Area in Idaho. CREDIT: Camille Stevens-Rumann
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