News articles tagged with 'tree'
Growth spurt in tree rings prompts questions about climate change
— 17 Nov 2009 14:59 | EnvironmentThe researchers studied bristlecone pines (Pinus longaeva) at three sites in California and Nevada, close to the upper elevation limit of tree growth. The tree-ring record showed wider... — full story
Well-travelled wasps provide hope for vanishing species
— 10 Nov 2009 17:00 | BiologyThey may only be 1.5 mm in size, but the tiny wasps that pollinate fig trees can travel over 160 km in less than 48 hours, according to research from scientists at the University of... — full story
Ants are friendly to some trees, but not others
— 8 Nov 2009 12:48 | BiologyTree-dwelling ants generally live in harmony with their arboreal hosts. But new research suggests that when they run out of space in their trees of choice, the ants can get destructive... — full story
Conserving historic apple trees
— 5 Nov 2009 11:47 | BiologyThe apple trees of yesteryear are slowly disappearing. Many apple varieties common in the United States a century ago can no longer be found in today's orchards and nurseries. But some... — full story
Timber harvest impacts amphibians differently during life stages
— 4 Nov 2009 12:05 | BiologyFrogs are croaking in clear-cut forests, but not exactly in their traditional manner. University of Missouri researchers found that removing all of the trees from a section of the forest... — full story
Study of alternate bearing presents recommendations for citrus growers
— 3 Nov 2009 08:52 | BiologyAlternate bearing (also called biennial or uneven bearing) is the tendency of fruit trees to produce a heavy crop one year (called 'on-crop') followed by a light crop or no crop the... — full story
Early hominid first walked on 2 legs in the woods
— 9 Oct 2009 12:32 | Geology and palaeontologyAmong the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward bipedalism... — full story
'Green Clean:' Researchers determining natural ways to clean contaminated soil
— 18 Sep 2009 14:19 | EnvironmentResearchers at North Carolina State University are working to demonstrate that trees can be used to degrade or capture fuels that leak into soil and ground water. Through a process... — full story
Exotic timber plantations found to use more than twice the water of native forests
— 16 Sep 2009 13:09 | EnvironmentEcologists have discovered that timber plantations in Hawaii use more than twice the amount of water to grow as native forests use. Especially for island ecosystems, these findings... — full story
As ash borer claims more trees, researcher at ISU works for species survival
— 11 Sep 2009 12:04 | BiologyMark Widrlechner may someday be known as the modern-day Johnny Appleseed for ash trees. As the devastating insect emerald ash borer is working its way across North America destroying... — full story