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Crown‐mapping involves measurements of heights, diameters, distances, and azimuths of all branches. Here Jim Spickler (left) extends a steel tape to measure the horizontal extension of a dead branch while Bob Van Pelt (right) records the measurement. Photo by Stephen Sillett, Institute for Redwood Ecology, Humboldt State University

Countdown to BioBlitz!

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In 21 days we will have a major scientific event happening throughout the Bay Area: the 2014 National Park Service BioBlitz. Here at the League we are busy preparing for this 24-hour exploration of the ecologically diverse areas of the … Continued

Deliberate burning as a restoration tool. Images by Leonel Arguello, National Park Service

Burning as a Restoration Tool

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Last week, the sky around the Bald Hills area of Redwood National Park was hazy beyond the normal shroud of fog.  Smoke filled the air.  The forest was burning.  Water trucks stood at the ready, fire crews and park staff … Continued

Researcher Wendy Baxter climbs a fixed rope up into a 86.6m-tall giant sequoia tree at Calaveras Big Trees State Park. Photo by Anthony Ambrose

Barking up the Right Tree

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It’s summertime and redwood researchers are putting on their climbing gear and ascending  into the leafy crowns of giant sequoias. A slow climb is worth the effort to see how the giants are growing. But why climb hundreds of feet … Continued

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