DOE JGI, VBI describe disease mechanisms of sudden oak death, related soybean pathogens
... more than a dozen California counties and also in southern Oregon. It has also been detected at scores of nurseries across the nation, elevating concerns about the pathogen to an all-time high. Symptoms vary depending on the host. Infected oak trees exhibit oozing cankers on the trunk, and often succumb to ...Ecological change, climate variation addressed at international conference, September 20-24
...f species diversity on leaf litter processing in a southern Appalachian stream at the Coweeta LTER site.They found the presence of rhododendron inhibited microbial decomposition of the leaves.Potential effects of increased rhododendron on stream microorganisms and organic matter processing is concerning, say ...UC Davis study finds distinct genetic profiles
... a clustering of individuals that come from either southern Europe or derived from populations that left southern Europe, or the Mediterranean, in the last 2,000 years," Seldin said. This allowed the group to ident...Cassini's Visual and Infrared Mapping Spectrometer detects vast polar ethane cloud on Titan
...ousand-mile-long methane clouds that band Titan at southern latitudes. They concluded from analyzing VIMS images that these highly localized, convective clouds, which are composed of methane, result from summer heating much as thunderstorms form on Earth. The VIMS instrument is an imaging spectrometer that ...USGS at The Wildlife Society: From sea-ice change to contaminants to predators and prey
...ental food. Because western Hudson Bay is near the southern limit of the polar bear's range, these findings ma...ects of contaminants accumulated by the ducks from southern wintering regions on their reproduction. Understanding such cross-seasonal linkages may also help in...Predicting species abundance in the face of habitat loss
...pitcher plant, found in bogs and swamps throughout southern Canada and the eastern United States, grows six to 12 tubular leaves that collect enough water to support an entire aquatic food web. The pitcher plant food web starts with ants, flies, and other arthropods unlucky enough to fall into its trap. Midge...Home, home on the range: How much space does an animal really need?
...reolus) population in the Maremma Regional Park in southern Tuscany. They found that animal home ranges are an outcome of complex interactions between the behaviour of the animals and the environment. "By incorporating the different layers of 'complexity' we found a simple explanation for our deer, which co...Record ozone loss during 2006 over South Pole
... under the Montreal Protocol (1987). During the southern hemisphere winter, the atmospheric mass above the Antarctic continent is kept cut off from exchanges with mid-latitude air by prevailing winds known as the polar vortex. This leads to very low temperatures, and in the cold and continuous darkness of ...NASA satellite data helps assess the health of Florida's coral reef
...e Sanctuary stretches from the Dry Tortugas to the southern boundary of Biscayne National Park. The area north of there has reefs and is part of the Florida Reef Resilience Program, but lies outside the sanctuary. Scientists are trying to determine why some reefs are resilient to environmental changes and imp...Rising temperatures will lead to loss of trout habitat in the southern Appalachians
...es in the Southern Appalachians are already at the southern limits of their ranges," says Flebbe. "If temperatures warm as much as predicted, trout habitat in the region will definitely shrink." To estimate trout habitat in relation to higher temperatures, Flebbe and fellow researchers Laura Roghair from the...Resistance and genetic sensitivity to sleeping sickness
...panosoma brucei rhodesiense (T.b. rhodesiense), in southern and eastern African countries. The infection it induces takes effect after a few weeks. More virulent than the chronic form, its development cycle is also more rapid and, consequently, clinical detection can be made earlier. However, it is increasi...West Australian fossil find rewrites land mammal evolution
...as is widely thought, but in Gondwana, the ancient southern super-continent, and more specifically Australia. But further discoveries of fossils in Australia are needed to confirm this."...USGS presents a world of science at GSA in Philadelphia
...longer periods of wave action from open water. In southern Alaska, intense storms, seismic activity, tsunamis...: The author will compare photo pairs of sites in southern Alaska showing spectacular scenes, and spectacular change, with imagery dating as far back as 1880. ...Fossils of ancient sea monster found in Montana
...escribed a new plesiosaur called Edgarosaurus from southern Montana in 2002, was part of a Norwegian expedition in August that mapped the location of several giant fossils in the Arctic. He is now an adjunct instructor in the Department of Earth Sciences at MSU. Based on other fossils of this type in the wor...USGS at Society of Environmental Toxicology and Chemistry
... Health of Gila River Fish: Downstream of Phoenix, southern Arizona's Gila River is primarily recharged by irrigation return water, storm water, and wastewater treatment plant effluent, and fish and aquatic invertebrate habitats are degraded. Largemouth bass, common carp and channel catfish from the Gila had ......icated than simply looking at species northern and southern range limits. Studying the ecologically important California Sea Mussel (Mytilus californianus), Brian Helmuth (University of South Carolina) and colleagues from the University of California - Santa Barbara, the University of British Columbia Vanco...First Far Eastern leopard captured in southeast Russia by international team
...le was captured in Southwest Primorski Krai in the southern Russian Far East less than 20 miles from the Chinese border, and just a mile from where a large male Siberian tiger had been caught days earlier. Before the leopard was released, a team of scientists from WCS, Institute of Biology and Soils of the R...Different coat color may not mean different species for lemurs
...nd lived in different types of forest locations in southern Madagascar -- classic characteristics of separate species. These researchers chose to compare mitochondrial cytochrome b as a gene marker that is known to change at a rate similar to that of speciation. Other common nuclear genes may evolve more slow...New maps emphasize the human factor in wildfire management
...d other means, humans cause 95 percent of fires in southern California. Most of these fires occur near the wildland-urban interface, where houses and other structures commingle with forests and other wild vegetation. "The wildland-urban interface is where houses are most vulnerable to fire because they ar...Icelandic volcano caused historic famine in Egypt, says Rutgers-based team
...changes that followed the 1783 eruption of Laki in southern Iceland back to their point of origin. The study i... the seasonal winds that bring the annual rains to southern Asia and northern Africa. The unusual cold in the North lessened the temperature contrast between th...