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Threat in Biological News

Disease threat may change how frogs mate

Dr Amber Teacher, studying a post-doctorate at Royal Holloway, University of London, has discovered evidence that a disease may be causing a behavioural change in frogs. The research, published in the August edition of Molecular Ecology, has unearthed a surprising fact about our long-tongued fri...

'Bycatch' whaling a growing threat to coastal whales

NEWPORT, Ore. Scientists are warning that a new form of unregulated whaling has emerged along the coastlines of Japan and South Korea, where the commercial sale of whales killed as fisheries "bycatch" is threatening coastal stocks of minke whales and other protected species. Scott Baker, assoc...

'Jellyfish joyride' a threat to the oceans

New research led by CSIRO Climate Adaptation Flagship and University of Queensland scientist, Dr Anthony Richardson, presents convincing evidence that this 'jellyfish joyride' is associated with over-fishing and excess nutrients from fertilisers and sewage. "Dense jellyfish aggregations can be...

Scientists examine human behavior and the threat of disease

KNOXVILLE -- As swine flu spread from Mexico to Texas and then fanned out farther in the United States, Americans began to alter their behavior. Families kept children home from school, postponed trips to the mall, and stayed home instead of eating out. In so doing, the American population may hav...

Tracking poultry litter phosphorus: Threat of accumulation?

MADISON, WI, JANUARY 26, 2009 The Delmarva Peninsula, flanking the eastern shore of the Chesapeake Bay, is home to some 600 million chickens. The resulting poultry manure and some of the chicken house bedding material is usually composted and then spread onto croplands as a fertilizer. Phosph...

Queen's University biologists find new environmental threat in North American lakes

Kingston, ON A new and insidious environmental threat has been detected in North American lakes by researchers from Queen's and York universities. Along with scientists from several Canadian government laboratories, the team has documented biological damage caused by declining levels of calciu...

Land iguanas under continuing threat on Galapagos archipelago

The Galpagos Islands, which provided impetus and inspiration for Charles Darwin's seminal work, "On the Origin of Species", are home to unique populations of reptiles. Since the time of man's first visit in the 16th century to this crucial incubator for evolutionary theory, the islands' native pla...

Fertilizers -- a growing threat to sea life

A rise in carbon emissions is not the only threat to the planet. Changes to the nitrogen cycle, caused in large part by the widespread use of fertilizers, are also damaging both water quality and aquatic life. These concerns are highlighted by Professor Grace Brush, from Johns Hopkins University i...

Diversity among bird populations found to reduce threat of West Nile virus

Santa Barbara, California - A biologist and undergraduate student have discovered that what's good for an area's bird population is also good for people living nearby. The research, by John P. Swaddle and Stavros E. Calos, published June 25 in the online peer-reviewed journal PLoS ONE, indica...

Tests show LLNL detection instrument can monitor the air for all major terrorist threat substances

Security and law enforcement officials may some day have a new ally - a universal detection system that can monitor the air for virtually all of the major threat agents that could be used by terrorists. This type of system is under development by a team of Lawrence Livermore National Laboratory...

Ocean life under threat from climate change

The international science community must devote more resources to research into the effects climate change is having on ocean environments, according to a paper published today in the journal Science by researchers at CSIRO's Climate Adaptation National Research Flagship. "Marine ecosystems are u...

Woody and aquatic plants pose greatest invasive threat to China

Although China currently has fewer invasive woody plants than the United States, Chinas potential for invasion by nonnative trees and shrubs is high, according to an article in the May 2008 issue of BioScience. Authors Ewald Weber, of the University of Zurich in Switzerland, and Bo Li, of Fudan Un...

CITES caviar export quotas remain steady for beluga sturgeon despite threat of extinction

NEW YORK CITY- The Convention on International Trade in Endangered Species (CITES) announced trade quotas governing the export of wild sturgeon and their prized caviar eggs from the Caspian Sea. The Pew Institute for Ocean Science has analyzed the quotas, which are re-set each year, and has determ...

New threat to Lake Victoria?

Two hydroelectricity dams appear to be threatening the health of Lake Victoria and of the people living along its shores who depend on the lake for food. A new study suggests that the dams systematic overuse of water has decreased the lake level by at least two meters between 2000 and 2006 and t...

Piddling fish face off threat of competition

Aggressive territorial male Mozambique tilapia fish (Oreochromis mossambicus) send chemical messages to rival males via their urine. They increase urination, have smellier urine and store more in their bladders than less aggressive males, according to research published in the open access journal ...

Waterborne carbon increases threat of environmental mercury

MADISON - Mercury is a potent neurotoxin and a worrisome environmental contaminant, but the severity of its threat appears to depend on what else is in the water. Researchers at the University of Wisconsin-Madison have found that the presence of dissolved organic material increases the biologic...

Homeland Security awards 2 grants to Rutgers for nuclear threat detection

New Brunswick, N.J. The National Science Foundation (NSF), in collaboration with the U.S. Department of Homeland Security (DHS), has awarded Rutgers University two grants to lead research on detecting smuggled nuclear materials. The work aims to thwart terrorists from using such materials to deve...

Lead-based consumer paint remains a global public health threat

CINCINNATIAlthough lead content in paint has been restricted in the United States since 1978, University of Cincinnati (UC) environmental health researchers say in major countries from three continents there is still widespread failure to acknowledge its danger and companies continue to sell consu...

To climate-change worries, add 1 more: Extended mercury threat

GAINESVILLE, Fla. Mercury pollution has already spurred public health officials to advise eating less fish, but it could become a more pressing concern in a warmer world. So suggests a paper that appears in a recent issue of the journal Oecologia . Sue Natali, a postdoctoral associate in b...

Traditional Dutch landscape under threat

Current government policy is failing to protect traditional Dutch landscapes says Dutch researcher Evelien van Rij. Green areas in the Randstad region with cultural historic value will disappear unless specific agricultural policy is developed for them. This will require both considerable investme...

Time running out on coral reefs as climate change becomes increasing threat

Increasing pressures from climate change will reach a tipping point in less than a decade triggering a significant decline in the health of the planet's coral reef ecosystems according to the findings in an international report issued today. Released by the Global Coral Reef Monitoring Network...

Aerosol toxins from red tides may cause long-term health threat

NOAA scientists reported in the current issue of the journal Environmental Health Perspectives that an algal toxin commonly inhaled in sea spray, attacks and damages DNA in the lungs of laboratory rats. The findings document how the body's way of disposing the toxin inadvertently converts it...

Women with AIDS face cervical cancer threat

Lusaka, ZambiaAccording to a report issued last week by UNAIDS, access to antiretroviral therapy is beginning to reduce AIDS mortality worldwide. But Dr. Groesbeck Parham, gynecologic oncologist and Director of the Cervical Cancer Prevention Program at the Center for Infectious Disease Research i...

Indigenous water frogs under threat

Angers/Leipzig. Indigenous water frogs can be crowded out by immigrant or imported species. This is the finding of a Franco-German study. The scientists investigated water frog populations in France and Northern Spain and noticed that the marsh frog (Rana ridibunda), which normally occurs only in ...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

Undersea habitats supporting rare and potentially valuable organisms are at risk from seafloor mining scheduled to begin within this decade, says a new study led by a University of Toronto Mississauga geologist. Mining of massive sulphide deposits near "black smokers"—undersea hydrothermal vent ...

Anthrax attack posed greater potential threat than thought

A new study shows that more people were at risk of anthrax infection in the Oct. 2001 attack on U.S. Sen. Tom Daschle's office than previously known. The research is published in the January 15 issue of The Journal of Infectious Diseases, now available online. On the other hand, the study shows, pr...

Triple threat polymer captures and releases

A chemist at Washington University in St. Louis has developed a remarkable nanostructured material that can repel pests , sweeten the air, and some day might even be used as a timed drug delivery system –as a nasal spray, for instance. Karen L. Wooley, Ph.D., Washington University James S. McDo...

Scientist warns of threat to last stronghold of endangered turtle

A major conservation effort, led by Dr Brendan Godley of the University of Exeter, has just got underway to help protect endangered leatherback turtles which nest in Gabon, West Africa. The region is thought to be the animals' last global stronghold, as pacific populations dwindle precariously. I...

Flu not the only germ threat this time of year

The flu hasn't even hit hard yet this year, but it seems like everyone's getting sick. What's the deal? Simply put, there are a lot more infectious invaders besides the flu to worry about. They don't get the big headlines, but they still knock people down for days or weeks and cause thousands of ...

Logging doubles threat to the Amazon, rivaling clear-cutting, study suggests

Human activities are degrading the Amazonian forest at twice the rate previously estimated, suggests a new study that adds the effects of logging to those of clear-cutting. The research appears in the 21 October issue of the journal Science , published by AAAS, the nonprofit science society. Unt...

Alien woodwasp, threat to US pine trees, found in N.Y.

Despite dozens of interceptions at U.S. ports, a public enemy has infiltrated the nation's borders. Taken captive in Fulton County, N.Y., and identified by a Cornell University expert, the adult female alien is the only one of its kind ever discovered in the eastern United States. The discovery o...

National assessment done on potential invasive snail and slug pests in US

...rative team led by a University of Hawai'i at Manoa researcher has published the first-ever assessment of snail and slug species that are of potential threat to the nation's agriculture industry and the environment, should they ever be introduced in the U.S. The July 2009 article in the American Malacol...

1 in 6 health workers won't report in flu pandemic -- study by Ben-Gurion U. researchers

...health workers who were both "concerned" about the threat posed by a pandemic, and who were "confident" that... work in an emergency than those who perceived the threat low and had low levels of confidence. Workers whose perception of the threat was "low" but who strongly believed in the importa...

Nanodiamonds deliver insulin for wound healing

... Bacterial infection is a major health threat to patients with severe burns and other kinds of serious wounds such as traumatic bone fractures. Recent studies have identified an important new weap...

Humans lend a hand to critically endangered waterbird

... world." Not all human influence is positive for the endangered ibis, however. Western Siem Pang - currently an unprotected site is under imminent threat from large-scale development which would destroy the birds' habitats entirely, along with the local farming communities. "The Forestry Administrati...

Red List overlooks island species

...ronmental Planning (CEPLAM) run by the Government of the Canary Islands, has assessed the conservation status of species that are supposed to be under threat in the Canary Islands according to IUCN criteria. However, the lists of species threatened with extinction according to these criteria did not coincid...

C. difficile spores spread superbug

... At present, healthcare professionals manage the threat of C. difficile by observing stringent hygiene a...at patients still pose a considerable transmission threat some weeks after treatment is terminated even if t... The team also found that there was a considerable threat from environmental contamination. Even short-term ...

Wolf reintroduction proposed in Scottish Highland test case

...ar," scientists point not just to the effect of large predators in helping to control the populations of grazing animals, but also their behavior. The threat of predation and attack can fundamentally change the movement and activities of grazing animals 24 hours a day, 365 days a year, in ways that such app...

Scientists report first remote, underwater detection of harmful algae, toxins

..., S.C. "It allows us to determine not only the organism causing a bloom, but also the toxicity of the event, which ultimately dictates whether it is a threat to the public and the ecosystem." For the first demonstration of the ESP's ability to detect HABs and their toxins, Doucette and his MBARI colleagu...

US-Mexico border wall could threaten wildlife species

...s' border with Mexico could significantly alter the movement and "connectivity" of wildlife, biologists say, and the animals' potential isolation is a threat to populations of some species. However, technology and alterations to the design could dramatically improve the potential for animals to move more...
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