Is the giant sequoia still burning?

Six fires, occurring between 2015 and 2021 killed many large sequoias in numerous groves across the Sierra Nevada (Figure 1). More than 85 percent of all giant sequoia grove acreage across the Sierra Nevada has burned in wildfires between 2015 and 2021, compared to only one quarter in the preceding century.



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In 2021, when the Windy Fire entered the grove, it burned hot in a portion that hadn't been treated, but the intensity decreased once it entered the area that been actively managed. Firefighters came in to help protect some of the bigger trees. Even small, young sequoias survived.

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The KNP Complex burned a total of 4,374 acres of sequoia groves, of which 616 acres burned at high severity. Simultaneous with the KNP Complex, the Windy Fire also burned 1,723 acres of giant sequoia groves in the Giant Sequoia National Monument, of which 411 acres was high severity.

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The Boole Tree is the last of the large giant sequoias in Converse Basin that has grown since the 1890s. It is the largest tree on National Forest System land and is recognized as one of the largest trees in the world. Indian Basin Grove is one of the few groves with a campground.

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Located in the Giant Forest surrounded by mature giant sequoia trees, tunnel log fell across the road nearly a century ago. National park visitors and tourists can come drive their vehicles through this fallen giant sequoia. This is a must stop spot inside the park.

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Redwoods also boast some of the world's oldest trees—California redwoods can live more than 2,000 years, while their close relatives, the giant sequoias, have been recorded at nearly 3,500 years of age.

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The 'General Sherman' tree in California (pictured on the right) is still standing, for example. It is believed to be the largest in the world by volume, at 275ft high and 100ft in circumference around the base.

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General Sherman, Giant Forest survive KNP Complex Fire; prescribed burns credited in success.

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More than 85 percent of all giant sequoia grove acreage across the Sierra Nevada has burned in wildfires between 2015 and 2021, compared to only one quarter in the preceding century. Three of these fires burned into Sequoia and Kings Canyon National Parks.

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KNP Complex Lightning ignited three fires in Sequoia National Park on September 9, 2021.

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Prescribed burn when it was 'incredibly bone dry' In October, California State Parks conducted a prescribed burn in the North Grove area of the park. Prescribed burns are done to help reduce wildfire risk and promote giant sequoia regeneration, the department said in a statement.

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Theodore Roosevelt led to the expansion of Yosemite National Park to protect the Mariposa Grove, and Sequoia National Forest was formed in 1908 to preserve many of the remaining groves.

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Whitebark pine, Western juniper and Douglas-fir can live more than 1,000 years while giant sequoias can live more than 3,000 years. Giant sequoias are the third longest-lived tree species with the oldest known specimen to have been 3,266 years old in the Converse Basin Grove of Giant Sequoia National Monument.

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Giant sequoias thrive in higher elevation habitats than giant redwoods and grow naturally only along the western slope of the Sierra Nevada Mountains, primarily between 5,000 and 7,000 feet in elevation. Giant sequoias require the periodic dry heat of the mountains in order for their cones to open and release seeds.

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Visit the Parker Group Sequoias This is a group of giant sequoia trees that are huddled close to each other. We were thrilled to get up and close to some of the largest Sequoia trees. Unlike the General Sherman Tree, which is fenced off, one can walk up close to these trees and even touch them.

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The world's largest tree by height is the Hyperion, which is a coastal redwood (Sequoia sempervirens) and is located somewhere in the heart of Redwood National Park in California.

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