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dry in Biological News

U of A honored for research that could help 30 million Brazilians

... newly discovered fungus that helps plants grow in dry soil has been named in honour of the U of A for ... in a huge, impoverished and uncharacteristically dry area of Brazil. The area is classified as dry tropical forest. It's as vast as Canada's three ...

NASA study says climate adds fuel to Asian wildfire emissions

... 1997 event, the region has been hit by two major dry spells and a steady upswing in fires, threatening ... data, finding that wildfire emissions rose during dry El Nio seasons. The Indian Ocean dipole ... moderate El Nio years in 2002 and 2006, when dry season rainfall was half of normal, fire ...

Unlikely life thriving at Antarctica's Blood Falls

... setting to be teeming with life. The McMurdo dry Valleys of Antarctica are devoid of animals and ... Antarctic Ice Sheet in the otherwise ice-free dry Valleys. The lack of light beneath the glacier ... and given the history of marine water in the dry valleys, it made sense that subglacial microbial ...

Diet secrets of 'the Royals'

... high-protein grass in the elephants' diet. During dry seasons, isotope ratios show the creatures eat ... study was 21 percent of their diet. During the dry season, grass was about 15 percent of their diet, ... That was highly unusual, because even during the dry season they normally eat 15 percent grass. ...

Earth's highest known microbial systems fueled by volcanic gases

... living on the slopes of Socompa in extremely dry soils not associated with fumaroles. The bacteria detected in such dry soils may be transient life transported and ... Schmidt, who likened the high Andes to the harsh dry Valleys of Antarctica under study by researchers ...

Plastic and reconstructive surgery -- in brief

... New research evaluates the development of dry eye syndrome and outlines the proper steps for ... that identified the risk factors associated with dry eye symptoms. While such symptoms are temporarily ... 10% of patients in the study group experienced dry eyes for 2 weeks or longer. Researchers ...

AGU journal highlights -- Dec. 31, 2008

... thermal structure determines this latitude in dry atmospheres. It remains to be investigated how ... Title: Extent of Hadley circulations in dry atmospheres Authors: Robert L. Korty: ... powder avalanches, sluffs, and falls of loose, dry snow. The authors discuss material sources and ...

Dried mushrooms slow climate warming in Northern forests

... has an unexpected ally in mushrooms growing in dry spruce forests covering Alaska, Canada, ... is warmed, fungi that feed on dead plant material dry out and produce significantly less ... with samples from the controls. When fungi dry out, they either die or become inactive and stop ...

Racing cane toads reveals they get cold feet on Southern Australia invasion

... climates places with cold wet winters and warm dry summers. "These are perfect conditions for ... happens during summer, and evaporation in the dry summer air cools them down too much. "Our ... Kearney said. "In one way it is obvious why dry conditions are bad for frogs they lose too much ...

2007 hurricane forecasts took blow from winds and Saharan dry, dusty air

... over the Atlantic Ocean shows that hot, dry air associated with dust outbreaks from the ... be due in part to the westward reach of Saharan dry air and dust over the North Atlantic, according ... formation in 2007 was also hampered by Saharan dry air. They go further, however, to describe the ...

Antarctic fossils paint a picture of a much warmer continent

... scientific expeditions have been visiting the dry Valleys since their discovery during the first ... who often spend months living in tents in the dry Valleys doing their research, all said that the ... none are as well preserved as those found in the dry Valleys," Marchant said. "The sediments allow ...

Air monitoring helps anticipate possible ecosystem changes

... that will come out in the form of wet or dry deposition?" Auvermann said. "We have ... monitoring site southeast of Canyon with wet and dry deposition measuring equipment. Deposition is the ... of precipitation and its scrubbing effect. dry deposition, measured as a part of the Clean Air ...

Dry Tortugas show positive trends: Protected area slowly rebounding

... Sanctuary's Tortugas Ecological Reserve and dry Tortugas National Park's Research Natural Area ... activity had on this marine environment. The dry Tortugas, a remote area about 70 miles to the ... to be available in September 2008. dry TORTUGAS RESEARCH EXPEDITION Preliminary ...

More sensitive radiology monitoring in the Basque Country

... the level of precipitation. Thus, she defined a dry period (0 litres per square metre), a wet period ... gamma radiation dose rates return to those of the dry period. Natural radioactivity and anomalous ... Alegra calculated the critical limit of both the dry and rainy periods. In this way, every time the ...

Experts prove the geochemical origin of part of the CO2 emissions in semiarid climates

... characterized by a scrubland vegetation and a dry climate" Up to now, when it came to devise ... also to geochemical emissions which increase in dry seasons. The hypothesis formulated in this ... thickets, and as CO2 geochemical generators in dry periods (especially worrying if we reach the ...

March GEOLOGY and GSA TODAY media highlights

... Recent bright gully deposits on Mars: Wet or dry flow? Jon D. Pelletier et al., University of ... by computer modeling of water-based versus dry landsliding. dry landslides can "fluidize" under certain ...

Early environment may be key to determining bird migration location

... Studds said. Right beside it is a fairly harsh dry habitat, with very little water and not as good a ... life, while the birds that had wintered in the dry area usually had a harder life year round. The ... spring is just beginning, The birds in the dry area, however, need about another seven days to ...

Lake Mead could be dry by 2021

... people in the southwestern United States, will be dry by 2021 if climate changes as expected and future ... population of the Southwest through an unusually dry year, or worse, a sustained drought. In such an ... conditions indicate that the system could run dry even if mitigation measures now being proposed ...

Choosing dry or wet food for cats makes little difference

... there has been a strong debate about whether a dry food diet puts cats at greater risk for diabetes. ... trying to prevent diabetes in cats. Because dry cat food contains more starch and more ... constitute between 30 percent and 40 percent of dry cat food. Some have been concerned that this ...

University-industry team developing coal cleaning technology in India

... in India, the researchers will develop low-cost dry beneficiation technologies that can remove ... the lower size limit. Therefore, a new method of dry cleaning finer coal will be explored in the India ... The project will promote rapid deployment of the dry beneficiation processes in India. In phase 1, a ...

Research approved for Hawaiian military training area

... proposal to study ways to restore tropical dry forests where military training is conducted in ... Kea and Hualalai Volcanic Mountains. Tropical dry forests like the one in the Pohakuloa Training ... can be used to restore similar tropical dry forests in Hawaii, Guam, Palau, Rota, Tinian, ...

Amazon forest shows unexpected resiliency during drought

... its peak at the start of the Amazon's annual dry season, from July through September. Although the ... the Amazon forest took advantage of the annual dry season's relatively cloudless skies to soak up ... actually "greening up," during the dry season. However, no one had examined how the ...

August 2009 Geology and GSA Today media highlights

... vegetation can conceal underlying rock and soil, use of modeled spectra of dry grass and serpentine allowed detection of serpentine in some parts of the ... Mountains, this great region, now known as Beringia, was cold but too dry for the development of glaciers. Instead, the region consisted of a great ...

Large trees declining in Yosemite

... Jan van Wagtendonk. "Warmer conditions increase the length of the summer dry season and decrease the snowpack that provides much of the water for the growing season. A longer summer dry season can also reduce tree growth and vigor, and can reduce trees' ...

In the warming West, climate most significant factor in fanning wildfires' flames

... have long observed: that low precipitation and high temperatures dry out fuels and result in significant fire years, a pattern that dominates ... and grasslands' requirement for high precipitation one year followed by dry conditions the next to produce fuels sufficient to result in large ...

'Honey bee health' of concern at Western Apicultural Society conference

... Sonoma County. The main conference sessions will take place in the dry Creek Inn and Krug Event Center, 198 dry Creek Road. "The conference provides an opportunity to learn about ...

Human role in Indonesian polluting forest fires -- Guido van der Werf in Nature Geoscience

... The large forest fires that sweep through Indonesia in dry periods are not only the result of severe drought. A team of researchers, ... this has only been the case since 1980. Kalimantan was fairly resistant to dry periods up until 1980, but since then Kalimantan has become far more prone ...

American Chemical Society's Weekly PressPac -- April 22, 2009

... hydrates to similar-sized pellets made of normal ice (frozen water) and dry ice (frozen carbon dioxide) after sprinkling them onto several small, ... used less water than ordinary ice and released less carbon dioxide than dry ice, they note. Grinding the pellets into smaller pieces boosted their ...

Plants could override climate change effects on wildfires

... in determining wildfire frequency. Despite a transition from a cool, dry climate to a warm, dry climate about 10,500 years ago, for example, the researchers found a sharp ...

Ecologists question effects of climate change on infectious diseases

... increase during warm, wet weather. Meningitis peaks during the tropical dry season, for example, and influenza is an obvious staple of winter weather ... and thus malaria parasites, to remain in areas that would otherwise dry out. "We live in a world in which urban and rural areas are ...

Synthesizing the most natural of all skin creams

... newborn manages to develop a skin fully equipped to protect it in a cold, dry and bacteria-infected world. A protective cream called Vernix caseosa ... to prove the benefits of the newly developed creams in treating healthy, dry and diseased human skin. ...

Vidalia onions: Alternative to hand-transplanting proven effective

... in the Vidalia region have traditionally used transplants to produce dry bulb onions. Transplants are grown on farms in high-density plantings, ... field accessibility. In addition, current fertilizer recommendations for dry bulb onions should be followed. This eliminates all of the cost and ...

Flame retardants prove ineffective on fresh-cut Christmas trees

... trees. In fact, the chemical used on Douglas-fir caused the branches to dry much faster than non-treated branches. Because ignition from a small ... were conducted on branches that were not placed in water and allowed to dry naturally. The tests showed that fresh branches placed in water actually ...

Oregon's Rogue River Basin to face climate-change hurdles

... could seem similar to Sacramento, Calif. It gets very hot and very dry there in the summer months." Urban areas at risk include Ashland, Medford, ... in the Rogue basin transition zone between the wet north and the dry subtropics. More severe and variable weather might mean longer and deeper ...

Flame retardants prove ineffective on fresh-cut Christmas trees

... trees. In fact, the chemical used on Douglas-fir caused the branches to dry much faster than non-treated branches. Because ignition from a small ... were conducted on branches that were not placed in water and allowed to dry naturally. The tests showed that fresh branches placed in water actually ...

Wildfires result in loss of forests reserved by Northwest Forest Plan

... that warmer springs and summers and earlier snowmelt contribute to the dry conditions that produces more fires in the West. These factors may have ... should consider increasing fire prevention and suppression treatments in dry regions as climate change may lead to more fire. ...

Global warming predicted to hasten carbon release from peat bogs

... could cause water tables to drop substantially, causing more peat to dry and decompose," says Paul R. Moorcroft, professor of organismic and ... expected warming in this century by losing large amounts of carbon during dry periods." Moorcroft and his colleagues simulated the responses of two ...

'Living fossil' tree contains genetic imprints of rain forests under climate change

... Symphonia isn't well-suited for traveling across the ocean---its seeds dry out easily and can't tolerate saltwater. So how did Symphonia reach the ... of the distinctive forest history of Mesoamerica, which was relatively dry during the glacial period 10,000 years ago. In many places the forests ...

Global warming threatens Australia's iconic kangaroos

... This is particularly true in Northern Australia, says Ritchie. "If dry seasons are to become hotter and rainfall events more unpredictable, habitats may become depleted of available pasture for grazing and waterholes may dry up," the authors write. "This may result in starvation and failed ...

Bays on US Gulf Coast vulnerable to flooding

... said. He said the Holocene was also marked by alternating wet and dry periods upstream, particularly in central and western Texas. There was significantly less sediment flowing into the bays during the dry periods, and the researchers found that the most dramatic flooding events ...
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