News tagged with woody shrubs
Mesquite trees displacing Southwestern grasslands
As the desert Southwest becomes hotter and drier, semi-arid grasslands are slowly being replaced by a landscape dominated by mesquite trees, such as Prosopis velutina, and other woody shrubs, a team of University ...
Mar 18, 2012 |
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Hydrogels help grasses grow on remote, arid rangelands
(PhysOrg.com) -- The arid conditions in the southwestern United States make restoring degraded rangelands extremely difficult, but a U.S. Department of Agriculture (USDA) scientist has found a way to help ...
Jan 12, 2012 |
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Not just 'woody weeds' - spreading shrubs have silver lining
The global spread of native trees and shrubs into open grazing land and abandoned farms can bring unexpected environmental and economic benefits, a major new international study has found.
Jun 01, 2011 |
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Greater Yellowstone elk suffer worse nutrition and lower birth rates due to wolves
(PhysOrg.com) -- Wolves have caused elk in the Greater Yellowstone Ecosystem to change their behavior and foraging habits so much so that herds are having fewer calves, mainly due to changes in their nutrition, ...
Jul 15, 2009 |
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Search results for woody shrubs
Phenology gardens track ties between weather, nature
How strange has this spring been?
Apr 20, 2012 |
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Out of Africa and Into the American Midwest
Grasses bend in the wind, their golden tips tracing arcs across fields that stretch toward the horizon. Sunwashed by a fading evening light, these reedy ballet dancers are central figures in savanna, an ecosystem ...
Jan 09, 2012 |
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An ecosystem being transformed: Yellowstone 15 years after the return of wolves
On the 15th anniversary of the return of wolves to Yellowstone National Park, a quiet but profound rebirth of life and ecosystem health is emerging, scientists conclude in a new report.
Dec 21, 2011 |
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Genome tree of life is largest yet for seed plants
Scientists at the American Museum of Natural History, Cold Spring Harbor Laboratory, The New York Botanical Garden, and New York University have created the largest genome-based tree of life for seed plants ...
Dec 15, 2011 |
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Trees on tundra's border are growing faster in a hotter climate
Evergreen trees at the edge of Alaska's tundra are growing faster, suggesting that at least some forests may be adapting to a rapidly warming climate, says a new study.
Nov 10, 2011 |
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Scientist develops sterile variety of invasive plant
Professor Yi Li's Laboratory in the University of Connecticut's College of Agriculture and Natural Resources has developed a seedless variety of the popular ornamental shrub Euonymus alatus, also called 'burning bush,' that r ...
Aug 16, 2011 |
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6 million years of savanna
University of Utah scientists used chemical isotopes in ancient soil to measure prehistoric tree cover – in effect, shade – and found that grassy, tree-dotted savannas prevailed at most East African ...
Aug 03, 2011 |
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Embedding microchips in ornamental shrubs
Radiofrequency Identification (RFID), or microchip technology, has been used for years in animal identification systems and is now being tested for use in plants. Researchers note that microchip techniques ...
Jul 05, 2011 |
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Ecologist: La Nina one major cause for Texas wildfires
(PhysOrg.com) -- About 1.5 million acres of Texas has burned this year, and a Texas Tech University plant ecologist said a natural weather event called La Nina has much of the blame for the recent rash of wildfires.
Apr 27, 2011 |
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Poor plant defenses promote invasive beetle's success
(PhysOrg.com) -- Invasive species cost more than $100 billion a year in damages in the United States, according to the United States Department of Agriculture. While most researchers attribute their success to a lack of natural ...
Apr 12, 2011 |
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List of search results for woody shrubs
