News tagged with model tree
Tree rings may underestimate climate response to volcanic eruptions: study
Some climate cooling caused by past volcanic eruptions may not be evident in tree-ring reconstructions of temperature change because large enough temperature drops lead to greatly shortened or even absent growing seasons, ...
Space & Earth / Earth Sciences
Feb 05, 2012 |
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Sunlight in tropical forest driving force behind ecological niches of tree species
Not water, but sunlight is the main factor in determining the growth of the hundreds of tree species in tropical forests. The variation in physiological characteristics between tree species explains how the various species ...
Nov 29, 2011 |
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Precipitation variability in Northeast, Southwest linked in 1,000-year analysis
An analysis of precipitation data collected from a lakebed in New York and a Rhode Island estuary has provided a link between the variability of precipitation in the Northeast with that of the Southwest. The results validate ...
Space & Earth / Earth Sciences
Nov 08, 2011 |
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Computer model suggests tsunamis could be blunted by coastal trees
(PhysOrg.com) -- One of the biggest problems with tsunamis is that they are so hit or miss. Major ones only occur every ten years or so, and the likelihood of any one place being hit is extremely small. This ...
Nov 08, 2011 |
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Southern South American wildfires expected to increase: study
A new University of Colorado Boulder study indicates a major climate oscillation in the Southern Hemisphere that is expected to intensify in the coming decades will likely cause increased wildfire activity ...
Space & Earth / Earth Sciences
Aug 22, 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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Enzymes for cell wall synthesis conserved across species barriers
Plants have neither supportive bone tissue nor muscles, and yet they can form rigid structures like stalks and even tree trunks. This is due to the fact that plant cells are enveloped by a stable cell wall. The main component ...
Jul 14, 2011 |
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Earth's soils are under threat, scientists warn in Nature
The planet's soils are under greater threat than ever before, at a time when we need to draw on their vital role to support life more than ever, warns an expert from the University of Sheffield today in the journal Nature.
Jun 08, 2011 |
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Uncertain future for Joshua trees projected with climate change
Temperature increases resulting from climate change in the Southwest will likely eliminate Joshua trees from 90 percent of their current range in 60 to 90 years, according to a new study led by U.S. Geological Survey ecologist ...
Mar 24, 2011 |
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Rock-paper-scissors tournaments explain ecological diversity
According to classical ecology, when two species compete for the same resource, eventually the more successful species will win out while the other will go extinct. But that rule cannot explain systems such as the Amazon, ...
Mar 14, 2011 |
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Two severe Amazon droughts in 5 years alarms scientists
New research shows that the 2010 Amazon drought may have been even more devastating to the region's rainforests than the unusual 2005 drought, which was previously billed as a one-in-100 year event.
Space & Earth / Earth Sciences
Feb 03, 2011 |
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Researchers sequence peach tree DNA
As peach trees go, it doesn't look much different than its kin at the Clemson University Musser Fruit Research Farm, but appearances can be deceiving. This one, a Lovell variety, has a unique genetic characteristic ...
Apr 01, 2010 |
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We're off then: The evolution of bat migration
(PhysOrg.com) -- Not just birds, but also a few species of bats face a long journey every year. Researchers at Princeton University in the U.S. and at the Max Planck Institute for Ornithology in Radolfzell, ...
Nov 20, 2009 |
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Trees facilitate wildfires as a way to protect their habitat
Fire is often thought of something that trees should be protected from, but a new study suggests that some trees may themselves contribute to the likelihood of wildfires in order to promote their own abundance ...
Oct 28, 2009 |
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Study predicts an uncertain future for forests
The composition of some of our nation's forests may be quite different 200 to 400 years from today according to a recent study at the University of Illinois. The study found that temperature and photosynthetic active radiation ...
Sep 15, 2009 |
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