impacted

South America's vast pantanal wetland may become next everglades, UNU experts warn

...ays "the activities of these new stakeholders have impacted on the watershed on a large scale. In highlands surrounding the Pantanal, "the implementation of industrialized soybean, corn, sugar cane and cotton monoculture transformed millions of square kilometers of savannah, into open fields. Riparian forest...

HIV-1 spread through six transmission lines in the UK

...infections. “Antiretroviral therapy may also have impacted on transmission rates, but our evidence does not demonstrate this. You would expect growth rates to decrease in the late rather than early 1990s around the time that potent therapy became widely used if this was the case. Instead, we see little corre...

Elephant seal pups suffer from ocean warming

...es in the northeastern Pacific, elephant seals are impacted significantly by ocean thermal dynamics", conclude the authors. Le Boeuf and Crocker add that monitoring the mean weaning weight of elephant seal pups can therefore help track changes in ocean temperature cycles. ### This press release is based on...

OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies

...lastin levels in the lungs appeared to be slightly impacted by vitamin C. This finding may be significant as elastin plays a key role in the expansion and contraction of lung during breathing." "Smoking remains a very significant problem during pregnancy and also during infancy," explained Michael Gravett, M...

Proposal would allow wild animals to roam North America

...onal Park area. The loss of willows has negatively impacted the numbers of nesting migrant songbirds. ...

Sensor web simulation investigates technique to improve prediction of pollution across the globe

...alerts can be issued to those people living in the impacted areas. To test the value and benefit of using dynamic sensor web measurement techniques and adaptive observing strategies, NASA technologists have formulated experiments involving two NASA Earth observing satellites that fly in formation high above ...

Survey Uncovers Surprising Attitudes Towards HIV Vaccine Research

...evelop strong partnerships with communities highly impacted by HIV/AIDS so individuals from these communities can make informed decisions about participating in HIV vaccine research.?/p> The survey, conducted between December 2002 and February 2003, polled 2,008 U.S. adults aged 18 years of or older rando...

Chernobyl: The true scale of the accident

... Although 116,000 were moved from the most heavily impacted area immediately after the accident, later relocations did little to reduce radiation exposure. * Persistent myths and misperceptions about the threat of radiation have resulted in "paralyzing fatalism" among residents of affected areas. * A...

Tsunami + 1 year: Reviving exhausted fisheries should trump replacing boats, gear, experts say

...fic actions needed immediately include: Involve impacted communities in development of tsunami rehabilitation plans that consider the sustainable use of fishery resources and alternative employment opportunities, as required by capacity-control plans; Investigate the costs, constraints and benefits of a n...

Scientists pinpoint inflammation gene

...drug intervention. Researchers studying diseases impacted by inflammation also might look to see what role SEPS1 plays in disease susceptibility. Already, ChemGenex and SFBR scientists are beginning to study how this gene influences a variety of complex diseases, including cardiovascular disease, diabetes, ...

Health of coral reefs detected from orbit

...deep. This means Envisat could potentially monitor impacted coral reefs worldwide on a twice-weekly basis. Coral bleaching happens when symbiotic algae living in symbiosis with living coral polyps (and providing them their distinctive colours) are expelled. The whitening coral may die with subsequent impacts...

Wild birds help to create human flu vaccine

...critically threatened or endangered are also being impacted directly by the H5N1 strain of influenza virus. Focusing resources on the hubs and activities where humans, livestock, and wildlife come into close contact is the best hope for successfully preventing the spread of avian flu and protecting both peop...

Spousal illness can trigger partner death

...ner. The study also found that specific illnesses impacted the spouse differently. For instance, among men with hospitalized wives, if the wife was hospitalized for colon cancer, there was almost no effect on her husband's mortality. But if a wife was hospitalized with heart disease, her husband's risk of de...

Study finds evolution doesn't always favor bigger animals

...isms as well as in environments that are now being impacted by global warming. "There's still a huge debate over what drives Cope's Rule, but our study shows that climate change can undoubtedly play an important role" said Roy. For much of the past 40 million years, global climate has been exhibiting a st...

Restoring seagrass beds: Is it for the birds?

...nderwater shoal grassbeds, however, have been much impacted by propeller damage; and much of the terrestrial vegetation on the island itself was destroyed by Hurricane Ivan in 2004. Drs. Heck and Dindo received a grant from the Gulf of Mexico Program to restore both the dune habitation and the prop-scarred g...

Global warming may have damaged coral reefs forever

...munity had decreased by 50 per cent in the heavily impacted sites. Reduced biodiversity results in a more fragile and less stable ecosystem. Smaller fish have reduced in number more quickly than larger species but their decreased availability has started to have a more lasting effect on the food chain, and...

UCSD researchers create roadmap to integrin activation

...ng missing, something special about platelets that impacted the activation process. In 2003, Ginsberg, and Sanford Shattil, M.D., UCSD professor of medicine and Chief of Hematology/Oncology, and colleagues published a paper in the journal Science about the discovery that talin ? a large cytoplasmic protein ...

Paleontologists discover new mammal from Mesozoic Era

...to make sense of how developmental mechanisms have impacted the morphological evolution of the earliest mammals," said Luo....

New technologies coming too fast for Indian farmers

...rk on these crops and the way they impact ?and are impacted by ?local culture. The study, published in the February 2007 issue of Current Anthropology, focuses on cotton production in the Warangal District of Andhra Pradesh, India, one of the nation's key cotton-growing areas. There, Stone found several fac...

Link found between immune system and high plasma lipid levels

...and also lymphotoxin (LT) on T cells significantly impacted the cholesterol and triglyceride levels. When T cells expressing LIGHT were introduced into the mice, lipid levels rose, both when the mice were fed a regular diet, and also when fed a high-fat, high-cholesterol diet. However, if researchers bloc...

Targeting sugar on blood vessels may inhibit cancer growth

...t modifying the action of heparan sulfate uniquely impacted the tumor vasculature, and in doing so, altered the growth rate of tumors prepared from lung carcinoma cells in the mice. "We theorized that by targeting the sugar, heparan sulfate, we could affect angiogenesis, which is the formation of new blood...

Research finds that circadian rhythms dominate all life functions

...ly orchestrated" system and gene expression can be impacted by daylight and darkness -- or a lack of both. For example, while gene expression oscillates in mice exposed to a constant state of dim light or darkness, the groups of genes that typically oscillate together -- such as genes responsible for the func...