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California sequoia still smoldering after 2020 fires by AFP Staff Writers Los Angeles (AFP) May 6, 2021 One of California's iconic giant sequoia trees was recently found to be still smoldering and smoking in an area of the state devastated by massive wildfires last summer, National Park authorities said Wednesday. "Scientists and fire crews were surveying the effects from the 2020 Castle Fire in Sequoia National Park, when they observed a still smoldering and smoking giant sequoia tree that appears to be caused from last year's fire," the park service said in a statement. Experts believe the tree's circumstances are a result of the wildfire that began August 19, 2020 when a spark from a lightning strike grew and spread throughout the region, burning an estimated 270 square miles (700 square kilometers) of forest as of December. The tree in question is isolated and does not present a danger to its environment or park visitors, according to the park service, but the fact that such obvious fire effects are lingering even months later "demonstrates how dry the park is," Sequoia and Kings Canyon National Parks fire expert Leif Mathiesen said. "With the low amount of snowfall and rain this year, there may be additional discoveries as spring transitions into summer," he said, warning of finding other trees in potentially similar conditions. The western United States suffered a particularly brutal fire season in 2020 as they dealt with a chronic drought exacerbated by the effects of climate change, with 33 people dead and more than 6,500 square miles (17,000 square kilometers) burned in California alone. Authorities fear a repeat this year and have already begun to prepare as the drought continues. Giant sequoias are the biggest trees in the world and can live up to 3,400 years, according to the National Park Service.
Humans were altering ecosystems with fire some 92,000 years ago Washington DC (UPI) May 5, 2021 Humans living along the northern shores of East Africa's Lake Malawi were altering the local ecosystem with fire as early as 92,000 years ago, according to a new study. Analysis of stone artifacts and paleoenvironmental data - detailed Wednesday in the journal Science Advances - suggests fire use by early humans prevented regrowth of the region's forests, yielding the expansive bushland that persists today. "This is the earliest evidence I have seen of humans fundamentally transforming ... read more
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