News tagged with mountain ecosystems
High nitrate concentrations in U.S. Rockies' high elevation lakes caused by melting glaciers
Melting glaciers in the American West are releasing chemicals that cause ecosystem changes in alpine lakes, including large quantities of nitrogen that reduces biodiversity, according to an international research team led ...
Oct 12, 2010 |
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Study finds hemlock trees dying rapidly, affecting forest carbon cycle
New research by U.S. Forest Service Southern Research Station (SRS) scientists and partners suggests the hemlock woolly adelgid is killing hemlock trees faster than expected in the southern Appalachians and rapidly altering ...
Feb 26, 2009 |
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Search results for mountain ecosystems
Some butterfly species particularly vulnerable to climate change: study
A recent study of the impact of climate change on butterflies suggests that some species might adapt much better than others, with implications for the pollination and herbivory associated with these and other ...
5 hours ago |
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Wildfire and an example of its important link to the ecosystem
Traveling the western U.S. state of Nevada in the 1860s, a young American writer named Mark Twain heard a "world of talk" about the beauty of Lake Tahoe and so set out one August day to see the lake perched ...
May 31, 2012 |
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Top 10 new species list draws attention to diverse biosphere
The International Institute for Species Exploration at Arizona State University and a committee of scientists from around the world announced their picks for the top 10 new species described in 2011. This ...
May 23, 2012 |
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Google completes takeover of Motorola Mobility
Google closed Tuesday its $12.5 billion deal for Motorola Mobility, a key manufacturer of smartphones and other devices that puts the Internet giant in head-to-head competition with Apple.
May 22, 2012 |
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Google completes Motorola deal, heralding new era
(AP) -- Google has completed its $12.5 billion purchase of device maker Motorola Mobility in a deal that poses new challenges for the Internet's most powerful company as it tries to shape the future of mobile ...
May 22, 2012 |
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Dead ahead: Less rainfall for drought-sensitive southern hemisphere regions?
(Phys.org) -- Warming climate may mean less rainfall for drought-sensitive regions of the Southern Hemisphere, according to results just published by an international research team.
Space & Earth / Earth Sciences
May 21, 2012 |
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Southern pine beetle impacts on forest ecosystems
Research by USDA Forest Service Southern Research Station (SRS) scientists shows that the impacts of recent outbreaks of southern pine beetle further degraded shortleaf pine-hardwood forest ecosystems in the southern Appalachian ...
May 17, 2012 |
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Millennium-old olive trees of the Iberian Peninsula are younger than expected
Northeast Spain is home to olive trees so old that they are known as "millennium-old." A group of scientists have now studied their age. The oldest is to be found in the Catalan region of Montsia and is 627 ...
May 16, 2012 |
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Dry heat increases bark beetle bite
Climate change appears to be good news for destructive bark beetles, according to a new study by Lorenzo Marini from the University of Padova in Italy, and his team. Their work, published online in Springer's Climatic Ch ...
May 02, 2012 |
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Three-toed horses reveal the secret of the Tibetan Plateau uplift
The Tibetan Plateau is the youngest and highest plateau on Earth, and its elevation reaches one-third of the height of the troposphere, with profound dynamic and thermal effects on atmospheric circulation ...
Other Sciences / Archaeology & Fossils
Apr 24, 2012 |
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List of search results for mountain ecosystems
