New theory connects tree uprooting and sediment movement

Credit: Unsplash/CC0 Public Domain

The critical zone is Earth’s outer skin, the space between treetops and bedrock. The critical zone is a community comprising rock, water, soil, air, and the flora and fauna that live on Earth’s surface. As floods, landslides, and other geologic hazards shape landscapes, they transform the critical zone and the life-giving processes that support ecosystems.

One often overlooked but consequential process that shapes…

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