News tagged with sequoia trees
Giant Sequoias Yield Longest Fire History from Tree Rings
(PhysOrg.com) -- California's western Sierra Nevada had more frequent fires between 800 and 1300 than at any time in the past 3,000 years, according to a new study led by Thomas W. Swetnam, director of UA's ...
Mar 17, 2010 |
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Like a hungry teen, life on Earth had big growth spurts
Twice in the Earth's history, living creatures underwent astonishing growth spurts, and each time, new organisms emerged that were a million times larger than anything that had existed before.
Space & Earth / Earth Sciences
Oct 27, 2009 |
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Search results for sequoia trees
Soundscape ecologists spawn new field
Geophony. Biophony. Anthrophony. Unfamiliar words. But they shouldn't be. We're surrounded by them morning, noon and night, say ecologist Bryan Pijanowski of Purdue University and colleagues.
Feb 07, 2012 |
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Glow-in-the-dark millipede says 'stay away'
As night falls in certain mountain regions in California, a strange breed of creepy crawlies emerges from the soil: Millipedes that glow in the dark. The reason behind the glowing secret has stumped biologists ...
Sep 26, 2011 |
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Yosemite to thin out young trees
National parks tend to be a tree hugger's paradise. Layers of federal laws, strict park service rules and even the disapproving scowls from some visitors prohibit so much as driving a nail into a tree, much less cutting one ...
Jul 31, 2011 |
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New model predicts maximum tree height across the US
The next time you're outdoors, see if you can spot the tallest tree. If you're in the desert Southwest, this may be an easy task — trees there are few and far between, and tend to hunch low to the ground to conserve ...
Jul 18, 2011 |
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Stanford's virtual reality lab focuses on conservation
If a tree falls in a virtual reality forest, will anyone hear an environmental message? They will, as long as they were the ones who cut down the make-believe redwood.
Apr 08, 2011 |
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New drought record from long-lived Mexican trees may illuminate fates of past civilizations
A new, detailed record of rainfall fluctuations in ancient Mexico that spans more than twelve centuries promises to improve our understanding of the role drought played in the rise and fall of pre-Hispanic civilizations.
Space & Earth / Earth Sciences
Feb 03, 2011 |
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A study analyzes the movement of tree sap
Spanish scientists at Carlos III University of Madrid use 3-D modeling to analyze the mechanisms used to by trees to transport water in their interior. The objective: to discover the keys to the movement of ...
Dec 13, 2010 |
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California's controlled fires boost biodiversity
In certain ecosystems, such as the mixed-conifer forests of the Sierra Nevada region of the western United States, fires are a natural and essential occurrence for maintaining forest health. However, for many decades, resource ...
Nov 23, 2010 |
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Grasping the tree of life: There is an app for that, too
Towering over the mightiest sequoia, nature’s tree of life holds the totality of the living world on its bountiful branches and limbs. Now, an innovative new application lets anyone with an iPhone tap into ...
Sep 20, 2010 |
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First-of-its-kind map details the height of the globe's forests
Using satellite data, scientists have produced a first-of-its kind map that details the height of the world's forests. Although there are other local- and regional-scale forest canopy maps, the new map is ...
Jul 20, 2010 |
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List of search results for sequoia trees
