News tagged with trees grow
Study Finds Oldest Trees Grow Slowest - Even as Youngsters
Biology /
Feb 05, 2009 |
4.3 / 5 (3) |
0
(PhysOrg.com) -- A newly published study has found that the oldest trees in the forest also grow the slowest - and they likely aren’t the prettiest.
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Scientists works to develop Christmas tree that doesn't shed needles
Dec 17, 2009 |
not rated yet |
0
After chasing the perfect Christmas tree for three decades, Gary Chastagner could be getting close.
Ecosystem, vegetation affect intensity of urban heat island effect
Space & Earth / Earth Sciences
Dec 15, 2009 |
5 / 5 (2) |
0
NASA researchers studying urban landscapes have found that the intensity of the "heat island" created by a city depends on the ecosystem it replaced and on the regional climate. Urban areas developed in arid and semi-arid ...
Greenhouse gas carbon dioxide ramps up aspen growth
Dec 04, 2009 |
3.5 / 5 (8) |
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The rising level of atmospheric carbon dioxide may be fueling more than climate change. It could also be making some trees grow like crazy.
Carbon and oxygen in tree rings can reveal past climate information
Space & Earth / Earth Sciences
Dec 03, 2009 |
3 / 5 (4) |
1
The analysis of carbon and oxygen isotopes embedded in tree rings may shed new light on past climate events in the Mackenzie Delta region of northern Canada.
LST builds first global nanotech regulation database
Nanotechnology / Bio & Medicine
Dec 02, 2009 |
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0
(PhysOrg.com) -- A global database of government documents on nanotechnology is being launched by three law professors at Arizona State University who, with their colleagues in Australia and Belgium, have corralled and organized ...
Ancient high-altitude trees grow faster as temperatures rise
Space & Earth / Earth Sciences
Nov 16, 2009 |
4.2 / 5 (11) |
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PIC=32536:left]Increasing temperatures at high altitudes are fueling the post-1950 growth spurt seen in bristlecone pines, the world's oldest trees, according to new research.
A biology whodunnit: are rodents helping protect trees from fire?
Nov 12, 2009 |
5 / 5 (1) |
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Tom Parker has made an unusual find. In California forests and shrubland that burned in 2008, he has spotted Manzanita seedlings sprouting in tight clusters, suggesting that the young shrubs emerged from underground ...
Cornell releases predator beetle to battle hemlock pest
Nov 11, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- Cornell researchers released a well-studied beetle predator to test its ability to ward off a hemlock-killing aphid-like insect.
W. Africa's last giraffes make surprising comeback
Nov 08, 2009 |
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(AP) -- A crisp African dawn is breaking overhead, and Zibo Mounkaila is on the back of a pickup truck bounding across a sparse landscape of rocky orange soil.
The politics of climate fixes
Nov 06, 2009 |
2.2 / 5 (13) |
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In the middle of a day filled with a stream of information-packed PowerPoint displays and alarming projections of what the future holds for our planet and our civilization, Judith Layzer’s talk was something ...
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