Experiment suggests limitations to carbon dioxide 'tree banking'
...ree stands with extra carbon dioxide did allow the trees to grow more tissue, only those pines receiving th...ls to bank extra CO2 from human activities in such trees may depend on the vagaries of the weather and large scale forest fertilization efforts, said Ram Ore...Indo-Pacific coral reefs disappearing more rapidly than expected
... forest is gone except for little twigs,a few lone trees Selig said. ...Chickadee, nutchatch presence in conifers increases tree growth, says CU-Boulder study
...forests have been shown to spur the growth of pine trees in the West by as much as one-third, according to ... birds in pine forests increased the growth of the trees by helping to rid them of damaging insects," said Mooney. "From the standpoint of the trees, it app...ESA announces 2007 award recipients
...paper Herbivores promote habitat specialization by trees in Amazonian forests (2004, Science 305:663-665). The William Skinner Cooper Award is given to honor an outstanding contributor to the fields of geobotany, physiographic ecology, plant succession, or the distribution of plants along environmental gra...Measuring nectar from eucalypts
...logging on canopy nectar production in tall forest trees has for the first time been investigated by NSW DP...ment practices in place to retain nectar-producing trees during logging operations, there has been no information on how much nectar is produced by retained ...Isoprene emission from plants -- a volatile answer to heat stress
... of the huge amounts of isoprenes emitted from the trees growing there. Although a positive correlation has...btain transgenic Grey poplar (Populus x canescens) trees with decreased isoprene emission, and examined their tolerance to heat. Their findings have been pub...Presence of wolves allows aspen recovery in Yellowstone
... the first time in more than 50 years, young aspen trees are growing again in the northern range of Yellows...tored to an important natural ecosystem, and aspen trees are surviving elk browsing for the first time in decades. The research, done by forestry research...Monkeys don't go for easy pickings
...tive about the food they ate. The sakis preferred trees with abundant fruit and trees with water holes. When fruiting trees were abundant, the sakis traveled efficiently to the trees wi...Increase in creeping vines signals major shift in southern US forests
...the number of vines increase, the density of small trees decreases at a fairly uniform rate. Although the... in vine numbers will likely influence the kind of trees that ultimately grow in these forests. Still, Allen says it would take many lifetimes to completel...Clues to future evolution of HIV come from African green monkeys
...hould match that of the four monkey species. The trees didn't match. "The monkey tree was significantly different from the virus tree," Wertheim said. The researchers then looked at the geographic distribution of the four African green monkey species. The relative ages and information on which pairs...Californians urged to help reduce spread of Sudden Oak Death
... Although California has lost more than a million trees and at least another million are currently infected, only 10.5 percent of the state's forests considered at risk for pathogen establishment are currently infested. "There is still a lot of land out there for us to protect and an early detection, e...Story tips from the Department of Energy's Oak Ridge National Laboratory
...the worlds most valuable fiber and paper-producing trees and only the second tree to have its DNA sequenced...world and is one of the most widely planted forest trees in the world. Eucalyptus offers extraordinary opportunities for comparative genomic analysis with Po...Citrus greening continues to spread in citrus growing areas
...ts all types of citrus species and causes infected trees to yellow, decline, and possibly die within a few ...f the citrus psyllid. If it is found there, citrus trees will need to be closely monitored for disease symptoms. Citrus greening can only be managed, not ...Loss of hemlocks will affect water dynamics in southern Appalachian forests
...piration rates for individual hemlocks, with large trees transpiring as much as 49 gallons of water a day. says Ford. The study showed that eastern hemlock plays two distinct ecohydrological roles in the southern Appalachian region: one as an evergreen tree with relatively stable water use throughout th...Greenland's ancient forests shed light on stability of ice sheet
...ety of plant and insect life, including species of trees such as alder, spruce, pine and members of the yew...en, it was inhabited by a diverse array of conifer trees and insects." The research implies that ancient forests covered southern Greenland during a period......stern Canada and in the Swedish forests today. The trees provide a backdrop from which we can also ascertai...cies has its own temperature requirements. The yew trees reveal that the temperature during the winter could not have been lower than minus 17 degrees Celsiu...MIT tool determines landslide risk in tropics
... of those took place on moderate slopes. Broadleaf trees provided the least amount of protection on this type of bedrock. But in general, a mix of broadleaf trees or bushes and scrub provided the most protection. The highest incidence of landslides in the area ...ORNL-led team wins DOE bioenergy center
...converting plants including switchgrass and poplar trees into fuels. In announcing the awards, Energy Secretary Samuel Bodman said, These centers will provide the transformational science needed for bioenergy breakthroughs to advance President Bushs goal of making cellulosic ethanol cost-competitive with...UGA scientists receive $20M in federal bioenergy initiative
...r converting plants such as switchgrass and poplar trees into fuels. UGAs portion of the research is funded for $20 million over five years. In announcing the awards, Energy Secretary Samuel Bodman said, These centers will provide the transformational science needed for bioenergy breakthroughs to advance...Virginia Tech researchers to study poplar tree as model biomass crop
...set of the protein interactions directly in poplar trees and to incorporate results with what scientists know about gene expression and gene function within poplar wood. She has already identified approximately 250 poplar genes specifically associated with wood formation that will be the focus of this proj...