Tag: fire frequency
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How The Smokey Bear Effect Led To Raging Wildfires
NPR: How The Smokey Bear Effect Led To Raging Wildfires Yet another story of the unintended consequences. … Growth rings tell how old the sectioned tree was. But when Swetnam holds up one, he points to something else: fire scars. They're black marks, about the size of a fingernail clipping, left by fires. … ……