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This ecologist has been studying Mount St. Helens since it erupted 40 years ago

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www.sciencemag.org

Ecologist Charlie Crisafulli in front of Mount St. Helens during an August 2019 research trip. By Warren CornwallCharlie Crisafulli first visited Mount St.

Helens 2 months after the 18 May 1980 eruption that ripped the top off the volcano, obliterated 600 square kilometers of forests, killed 57 people, and coated much of the Pacific Northwest in ash.

He was a 22-year-old with an undergraduate degree in ecology, accompanying a University of Utah professor as scientists descended on the mountain.

Since then, Crisafulli—now an ecologist at the U.S. Forest Service’s Pacific Northwest Research Station—has spent much of each summer taking the mountain’s pulse as life returns.

Read more on sciencemag.org
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