Posts Tagged ‘trees’
Maples fight to push through leaf litter
U. MICHIGAN (US) — Acid rain is taking a toll on sugar maples in upper Great Lakes forests that have been largely spared the type of damage seen in mature sugar maples in the Northeast. Continue…
Monday, December 19, 2011 13:06 - 3 Comments
Earth & Environment - Dec 1, 2011 11:38 - 2 Comments
Climate shifts spell trouble for walnut trees
PURDUE (US) — Warmer, drier summers and extreme weather events considered possible as the climate changes would be especially troublesome—possibly fatal—for walnut trees, according to new research. (more…)
Earth & Environment - Nov 23, 2011 12:40 - 0 Comments
Deforestation’s effects? Location, location
UC DAVIS (US) — The impact of deforestation on global warming varies with latitude, a finding that calls for revised climate-monitoring strategies, a new study shows. (more…)
Earth & Environment - Nov 1, 2011 12:04 - 1 Comment
Trees lag behind climate change
DUKE (US) — More than half of eastern US tree species examined in a massive new study aren’t adapting to climate change as quickly or consistently as predicted. (more…)
Earth & Environment - Oct 18, 2011 10:02 - 5 Comments
In experimental forest, trees soak up CO2
U. MICHIGAN (US) — North American forests appear to have a greater capacity to soak up heat-trapping carbon dioxide gas than previously thought. (more…)
Earth & Environment - Sep 30, 2011 13:48 - 0 Comments
Rock nitrogen helps trees soak up CO2
UC DAVIS (US) — Forest trees have the ability to tap into nitrogen found in rocks, boosting the trees’ growth and their ability to pull more carbon dioxide from the atmosphere.
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Earth & Environment - Aug 1, 2011 9:11 - 0 Comments
Tree DNA clears Ben Franklin
RICE U. (US) — Tallow trees imported from China are overrunning thousands of acres of U.S. coastal prairie, but new research has found Benjamin Franklin not guilty of aiding and abetting the enemy. (more…)
Earth & Environment - Jul 27, 2011 11:52 - 1 Comment
Forest trees remember their roots
U. TORONTO (CAN) — When it comes to how they respond to the environment, trees may not be that different from humans. (more…)
Earth & Environment - Jul 25, 2011 12:06 - 1 Comment
Trees’ footprints smaller than steel’s
U. WASHINGTON (US) — By regularly harvesting trees and using wood in place of steel and concrete, the amount of carbon dioxide taken out of the atmosphere by a forest could be quadrupled in 100 years. (more…)
Earth & Environment - May 11, 2011 15:16 - 0 Comments
Deer snacking on maple buffet
MICHIGAN STATE (US) — Deer with a sweet tooth are devastating sugar maple saplings in Michigan’s Upper Peninsula. (more…)
Earth & Environment - Dec 10, 2010 16:42 - 0 Comments
State’s iron legacy still toxic to soil
PENN STATE (US) — Some areas of soil in the state of Pennsylvania contain 14,000 parts per million of manganese—more than 17 times as much as in the surrounding bedrock. (more…)
Earth & Environment - Jul 19, 2010 11:21 - 2 Comments
Amazon megastorm felled half a billion trees
TULANE (US)—A single, violent storm that swept across the Amazon forest in 2005 killed half a billion trees, far more than previously suspected, according to the first study to produce an actual body count of the losses. (more…)
Earth & Environment - Jan 26, 2010 16:59 - 1 Comment
Seabirds shun palms, take guano elsewhere
STANFORD (US)—Coconut palms do more than beckon vacationers to tropical paradise. As they spread to new areas, palms are changing landscapes, researchers say. (more…)
Earth & Environment - Jan 8, 2010 15:21 - 0 Comments
Warmer temps stifle trees’ carbon uptake
U. COLORADO—As the climate warms and growing seasons lengthen, subalpine forests are likely to soak up less carbon dioxide. The result will be more greenhouse gas left to concentrate in the atmosphere, new research shows. (more…)
Science & Technology - Sep 15, 2009 1:00 - 6 Comments
Plug in to a low-voltage tree
Electrical engineers Babak Parviz and Brian Otis and undergraduate student Carlton Himes (right to left) demonstrate a circuit that runs entirely off tree power.
Earth & Environment - Jul 14, 2009 9:30 - 0 Comments
Ancient ferns bum a ride off giant trees
Hymenophyllum jamesonii, an epiphytic fern of neotropical rain forests, has berry-like clusters of sporangia where reproductive spores are produced. (Courtesy: Eric Schuettpelz)
Earth & Environment - May 27, 2009 9:55 - 1 Comment
Tree-killing hurricanes worsen global warming?
TULANE (US)—A first-of-its-kind, long-term study of hurricane impact on U.S. trees shows storm damage can diminish a forest’s ability to absorb carbon dioxide, a major contributor to global warming. (more…)
Earth & Environment - Apr 17, 2009 9:08 - 1 Comment
A way to save trees? Knock on (fake) wood!
STANFORD (US)—Researchers have developed a synthetic wood substitute that may one day save trees, reduce greenhouse gas emissions and shrink landfills. The faux lumber is made from a new biodegradable plastic that could be used in a variety of building materials and perhaps replace the petrochemical plastics now used in billions of disposable water bottles. (more…)
