News tagged with tree canopies
Scientists forecast forest carbon loss
For more than 30 years, scientists at the Harvard Forest have scaled towers into the forest canopy and measured the trunks of trees to track how much carbon is stored or lost from the woods each year. This treasure trove ...
Apr 06, 2012 |
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Free-runners explore orang-utans' ease in the trees
University of Birmingham scientists are using parkour athletes - also known as free runners - to discover how orang-utans and other tree-dwelling primates maximise energy efficiency as they move through the forest canopy.
Feb 28, 2012 |
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An economic analysis of Emerald Ash Borer management options
A new study in the Journal of Economic Entomology examines several options for managing the Emerald Ash Borer, an invasive insect that is destroying US ash trees.
Feb 09, 2012 |
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Researchers find critical speed above which birds- and drones- are sure to crash
The northern goshawk is one of nature's diehard thrill-seekers. The formidable raptor preys on birds and small mammals, speeding through tree canopies and underbrush to catch its quarry. With reflexes that rival a fighter ...
Technology / Computer Sciences
Jan 19, 2012 |
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New method can aid rainforest, help loggers
(PhysOrg.com) -- Reduced-impact logging (RIL) in an Amazon rainforest generated profits while emitting a small fraction of carbon compared with total forest clearing, a University at Albany study concludes.
Nov 18, 2011 |
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New study shows how trees clean the air in London
New research by scientists at the University of Southampton has shown how London's trees can improve air quality by filtering out pollution particulates, which are damaging to human health.
Oct 05, 2011 |
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Deforestation reduces rainfall in Africa
Deforestation in the rainforests of West Africa reduces rainfall over the rest of the forest, according to new University of Leeds research published in Geophysical Research Letters.
Sep 19, 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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Space technology revolutionizes archaeology, understanding of Maya
A flyover of Belize's thick jungles has revolutionized archaeology worldwide and vividly illustrated the complex urban centers developed by one of the most-studied ancient civilizations -- the Maya.
Space & Earth / Earth Sciences
May 11, 2010 |
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Model predicts shifts in carbon absorption by forest canopies
An Agricultural Research Service (ARS) scientist participated in a project to fine-tune computer models that can indicate when forest "carbon sinks" become net carbon generators instead. The results will help pinpoint the ...
Mar 31, 2010 |
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The Dynamics of Forest Canopy Motion
(PhysOrg.com) -- While it’s well known that wind causes trees to sway, it’s less widely recognized that the movement of the trees in turn affects the wind. Mark Rudnicki, an assistant professor in the Department ...
Jan 29, 2010 |
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Sun or shade: Pecan leaves' photosynthetic light response evaluated
Pecan, the most valuable nut tree native to North America, is native from northern Illinois and southeastern Iowa to the Gulf Coast of the United States, where it grows abundantly along the Mississippi River, ...
Nov 03, 2009 |
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Organic apple orchard floor maintenance techniques
Successful organic apple farming literally starts from the ground up. Maintaining a healthy orchard floor is the key to preventing weeds and keeping soil healthy. Logically, finding effective methods to increase ...
Sep 04, 2009 |
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Seeing the tree from the forest: Predicting the future of plant communities
The ability to envisage the future may be closer than you would think. A recent paper by Sean Hammond and Karl Niklas in the August 2009 issue of the American Journal of Botany presents an algorithm that m ...
Aug 21, 2009 |
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