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Shade trees can protect coffee crops
Sustainable farming that employs shade trees may improve crops' resistance to temperature and precipitation extremes that climate changes are expected to trigger. view more (2008-10-01)
California study shows shade trees reduce summertime electricity use
A recent study shows that shade trees on the west and south sides of a house in California can reduce a homeowner's summertime electric bill by about $25.00 a year. view more (2009-01-06)
New study: Home energy savings are made in the shade
Trees positioned to shade the west and south sides of a house may decrease summertime electric bills by 5 percent on average, according to a recent study* of California homes by researchers from the National Institute of Standards and Technology (NIST) and the U.S. Department of Agriculture (USDA). view more (2009-05-11)
Shade trees getting 'scorched' by plant disease
Bacterial leaf scorch is severely affecting urban shade trees grown not only to provide shade, but to help clear the air, reduce noise, and improve the aesthetics in many U.S. communities. view more (2005-11-29)
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, the rivers of central and eastern Oklahoma, and Texas. view more (2009-11-04)
Coffee cultivation good for diversity in agrarian settlements but not in forests
Coffee shrubs, both in themselves and because they are most often cultivated in the shade of large trees, can have a positive impact on plant and animal diversity in those parts of the landscape that are deforested and dominated by agriculture. view more (2009-02-19)
Green coffee-growing practices buffer climate-change impacts
Chalk up another environmental benefit for shade-grown Latin American coffee: University of Michigan researchers say the technique will provide a buffer against the ravages of climate change in the coming decades. view more (2008-10-01)
The prolific orphan trees in the Cameroon forests
The Ntumu (the Beti-Fang), live in the equatorial forest in southern Cameroon, in the north of Gabon and of Equatorial Guinea. They practice a semi-nomadic slash-and-burn form of agriculture. Their farming is highly diversified, mainly of food crops (such as cassava, plantain banana, sweet potato, yam and taro) but they also produce cash crops... view more... (2003-04-29)
Case Western Reserve University biologists suspect lightning fires help preserve oak forests
Oak forests may be approaching extinction but lightning fires may play a vital role in their regeneration, according to Case Western Reserve University biologists. view more (2006-12-13)
The Influence Of Disturbance On Tropical Rainforest Biodiversity: End Of A Controversy In Sight
The many species which make up tropical rain forest tree communities show widely differing reactions to environmental factors. This is particularly so with regard to light. Pioneer species, highly heliophile (light-loving or shade-intolerant), establish themselves by taking advantage of canopy light gaps, opened up by treefalls. Rapid growth, a... view more... (2001-11-23)
The Influence Of Disturbance On Tropical Rain Forest Biodiversity : End Of A Controversy In Sight
The many species which make up tropical rain forest tree communities show widely differing reactions to environmental factors. This is particularly so with regard to light. Pioneer species, highly heliophile (light-loving or shade-intolerant), establish themselves by taking advantage of canopy light gaps opened up by treefalls. Rapid growth, a... view more... (2002-01-03)
Large Trees Declining in Yosemite
Large trees have declined in Yosemite National Park during the 20th century, and warmer climate conditions may play a role. view more (2009-07-30)
GM Breakthrough Could Help Dutch Elm Disease Fight
A team of scientists from the University of Abertay Dundee has grown the world's first genetically modified elm trees. The breakthrough could lead to the reintroduction into their natural habitat of elm trees resistant to the Dutch elm disease (DED) fungus. Since 1970, more than 20 million elms in the UK have fallen victim to the environmentally... view more... (2001-08-24)
Researchers discover trees in Amazon much older than assumed, raising questions on global climate impact of region
Trees in the Amazon tropical forests are old. Really old, in fact, which comes as a surprise to a team of American and Brazilian researchers studying tree growth in the world's largest tropical region. view more (2005-12-14)
Application quantifies carbon sequestration of urban trees
U.S. Forest Service scientists at the Center for Urban Forest Research are providing online software that can show users how much carbon dioxide an urban tree in California has sequestered in its lifetime and the past year. view more (2008-12-10)
As ash borer claims more trees, researcher at ISU works for species survival
Mark Widrlechner may someday be known as the modern-day Johnny Appleseed for ash trees. view more (2009-09-11)
Can you rescue a rainforest? The answer may be yes
Half a century after most of Costa Rica's rainforests were cut down, researchers from the Boyce Thompson Institute took on a project that many thought was impossible - restoring a tropical rainforest ecosystem. view more (2008-03-28)
"Live fast, die young" applies to forests, too.
Forests provide humans with economically important and often irreplaceable products and services, and affect global climate by acting as sources and sinks of heat-trapping carbon dioxide. Yet the possible responses of forests to ongoing environmental changes are poorly understood. In the most recent issue of Ecology Letters, Stephenson and van... view more... (2005-04-19)
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 the carbon cycle of these forests. view more (2009-02-27)
The desert is dying
Researchers from University of Bergen have found that trees, which are a main resource for desert people and their flocks, are in significant decline in the hyper-arid Eastern Desert of Egypt. view more (2007-02-14)
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