redwood science

What Do These Commonly-Used Words Really Mean?

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Today is World Dictionary Day, and in honor of that I’d like to discuss a few words that are used a lot in our conservation science work.  They are: Precision, Accuracy, and Bias.  These may seem familiar, but they have …

Giant sequoia cones. Photo by Mark Bult

Finding Patterns in the Redwoods: It’s Easy as 1, 1, 2, 3…

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Nature’s patterns are everywhere.  Sometimes they’re obvious – we mammals, for instance, almost always have five fingers and five toes on each hand and foot.  Sometimes these patterns aren’t nearly so apparent, but they’re still there nonetheless. The Fibonacci sequence …

Trillium is toxic!

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Have you ever seen this stunning flower in the redwood forest? It is a Giant Wake Robin, or Trillium chloropetalum, and was recently seen blooming in the Santa Cruz Mountains

Giant in Prairie Creek Redwoods State Park.

Redwoods and the Passage of Time

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Time.  Einstein said, “Time is an illusion.” We all feel that it goes by too fast. Dr. Seuss said, “How did it get so late so soon?” To make a difference, we have to focus on now.  As Mother Teresa said, …

Coast redwoods on the UCI campus are not thriving.

Can redwoods thrive in Southern California climate?

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Redwoods do fine in Southern California, right? Researchers at UC Irvine are not totally convinced. In the 1980’s a scientist by the name of Ernest Ball cloned coast redwood giants from Northern California and reared test-tube redwoods. Many of these …

The ancient tree known as “Treebeard” has often been used as a traveler camp, and though burned from the inside many times, it has survived with some portions left dead from the fires. Photo by Mark Andre, Environmental Services

Old-Growth Redwood Burns in Arcata

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“Transient Camp Causes Fire in Old-Growth Redwood Tree,” reads the headline posted by the City of Arcata. The fire did not damage just any old redwood.  It burned (and is apparently still burning) in ‘Treebeard,’ a redwood estimated to be …

(c) 2012 National Geographic

Large Old Trees at Risk

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Open up the 2012/12 issue of National Geographic to see photos of an incredible giant sequoia and the phenomenal diversity of plants and animals that live with this redwood in the forest. On the backside of the fold-out photograph of …

RCCI scientist, Stephen C. Sillett, on a branch. Photo by Marie Antoine

A Strong Foundation for Redwoods and Climate Change

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I am delighted to announce that the League has received a grant from the San Francisco Foundation to support our Redwoods and Climate Change Initiative (RCCI)! The $100,000, 2-year grant comes from the Foundation’s Evelyn Tilden Mohrhardt Fund, which was …

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 …