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Spatial patterns in tropical forests can help to understand their high biodiversity
The high biodiversity in tropical forests has both fascinated and puzzled ecologists for more than half a century. view more (2007-09-26)
Genes of autumn leaves mapped
It is not known what genes turn leaves yellow in the fall. However, scientists at Ume'å Plant Science Center, Ume'å University, and the Royal Institute of Technology in Stockholm (KTH) have managed to identify more than 2,400 genes that take part in the process. One of the most magnificent pageants of nature every year is when trees... view more... (2003-02-28)
Global warming linked to European viral epidemic
An epidemic of the viral disease nephropathia epidemica (NE) has been linked to increases in the vole population caused by hotter summers, milder winters and increased seedcrop production by broadleaf trees. view more (2009-01-16)
Presence of wolves allows aspen recovery in Yellowstone
The wolves are back, and for the first time in more than 50 years, young aspen trees are growing again in the northern range of Yellowstone National Park. view more (2007-07-27)
Isolated forest patches lose species, diversity
Failing to see the forest for the trees may be causing us to overlook the declining health of Wisconsin's forest ecosystems. view more (2009-06-12)
Some forest birds can survive in agricultural countryside with limited habitat conservation, study finds
Some tropical forest birds can survive alongside humans if given a helping hand, according to a recent study by Cagan H. Sekercioglu, senior scientist at the Stanford University Center for Conservation Biology. view more (2007-05-25)
Diverse tropical forests defy metabolic ecology models
As global change accelerates, quantifying the role of forests in the carbon cycle becomes ever more urgent. Modelers seek simple predictors of forest biomass and carbon flux. view more (2006-04-24)
A study proposes a new universal rule to explain the equilibrium of plant populations
A study financed by the BBVA Foundation and conducted by scientists Carlos Duarte, Nuria Agustì and Nuria Marbà from the Mediterranean Institute for Advanced Studies (CSIC - University of the Balearic Islands) has allowed the first-time formulation of a universal rule that explains the equilibrium of plant communities, showing how... view more... (2007-09-19)
Smaller plants punch above their weight in the forest, say Queen's biologists
New findings from Queen's University biologists show that in the plant world, bigger isn't necessarily better. view more (2009-07-15)
Nano-scale trees created at Lund Institute of Technology
For the last few years scientists at the Nanometer Consortium at Lund University have been able to make nanowires, tiny wires just a few millionths of a millimeter "thick" and made of semiconducting material of great potential in the electronics industry. Now they have managed to produce "nanotrees," in fact tiny forests on the... view more... (2004-05-05)
Desert woodrats switch one dietary poison for another
As the U.S. Southwest grew warmer between 18,700 and 10,000 years ago, juniper trees vanished from what is now the Mojave Desert, robbing woodrats of their favorite food. view more (2009-04-08)
Study yields mixed results on potential for pine trees to store extra carbon dioxide
Southern pines appear to grow and conserve water somewhat better in the carbon-dioxide-enriched atmosphere expected by mid-century, a Duke University study has found. view more (2005-08-10)
Brown tree snake could mean Guam will lose more than its birds
In the last 60 years, brown tree snakes have become the embodiment of the bad things that can happen when invasive species are introduced in places where they have few predators. Unchecked for many years, the snakes caused the extinction of nearly every native bird species on the Pacific island of Guam. view more (2008-08-11)
Challenges remain in reintroducing American chestnut
Researchers have developed a breed of American chestnut that is resistant to the fungal blight that decimated its population in the early 1900s. view more (2007-08-23)
How trees manage water in arid environments
The summer of 2006 was the second warmest in the continental United States since records began in 1895, according to the National Climatic Data Center. Moderate to extreme drought conditions were evident in about 40 percent of the country. view more (2007-01-05)
Landscape-scale treatment promising for slowing beetle spread
Mountain pine beetles devastating lodgepole pine stands across the West might best be kept in check with aerial application of flakes containing a natural substance used in herbal teas that the insects release to avoid overcrowding host trees, according to a team of scientists. view more (2009-02-03)
UBC discovery unlocks tree genetics, gives new hope for pine beetle defense
UBC researchers have discovered some of the genetic secrets that enable pine and spruce trees to fight off pests and disease, uncovering critical new information about forests' natural defense systems. view more (2008-01-15)
Patients, dentists differ on smile ratings, JADA study
People rate their smiles higher than dentists do, according to a new study. Teeth and eyes rated as the most important features of an attractive face, the study also found, and people younger than age 50 were most satisfied with their smiles. view more (2007-12-11)
Invasive species harms native hardwoods by killing soil fungus
An invasive weed that has spread across much of the U.S. harms native maples, ashes, and other hardwood trees by releasing chemicals harmful to a soil fungus the trees depend on for growth and survival. view more (2006-04-26)
Putting a green cap on garbage dumps
andfill sites produce the greenhouse gases, methane and carbon dioxide, as putrescible waste decays. Growing plants and trees on top of a landfill, a process known as 'Phytocapping', could reduce the production and release of these gases, according to Australian scientists writing in a forthcoming issue of International Journal of Environmental... view more... (2008-11-24)
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