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Tag: "rain" at biology news

Ecological destruction fuels emerging diseases

... Heritage Site that features habitats ranging from rain forests to savannas, the ATBI is documenting an estimated 250,000 species of plants and animals, including everything from viruses to jaguars. For his part, Dr. Brooks has looked for parasites in more than 4,000 individuals from species ranging from...

New research indicates a 'troubled' greenhouse is brewing

...ke of 55 million years ago, tropical mangroves and rain forests spread as far north as England and Belgium and as far south as Tasmania and New Zealand," Retallack says. "Turtles, alligators and palm trees graced Ellesmere Island in the Canadian Arctic, which is now the treeless abode of musk oxen and pol...

Unprecedented water level rise in Somalia

... water was now passing into Central Somalia. Heavy rain was also expected to continue into next week. In Jowhar, 90 kilometres north of the capital Mogadishu, three villages were affected by breaks in the river. Overnight, river levels dropped from 4.6 to 4 metres, suggesting a breach somewhere upstream....

Survey finds silver contamination in North Pacific waters

...rogen and sulfur compounds that contribute to acid rain and smog. Previous studies by Flegal's group have also found high mercury levels in rainfall on the U.S. West Coast, which they linked to contamination from coal burning in Asia. "Unlike mercury, silver is not a human health concern. But silver is s...

Man-made wetland's effectiveness similar to natural marsh

...thered data on water flowing into the wetland from rain and snowfall and from ground sources. They wanted to know if the design of this experimental wetland would work. Apparently, it did. "It was a relatively simple, inexpensive way to create a wetland, and it worked," said Mitsch, who is a professor o...

Finding hidden invaders in a Hawaiian rain forest

...f invading plants that are changing the ecology of rain forest near the Kilauea Volcano in the Hawaii Volc...nger, one of the most disruptive weeds in Hawaiian rain forests." Asner commented on the expanded effort with the multi-institutional team: "Because Hawaii...

Nanobacteria in clouds could spread disease, scientists claim

...e in the spread of disease and in the formation of rain drops, scientists have claimed. The radical theories about nanobacteria ?micro-organisms considerably smaller than ordinary bacteria - in clouds are published in two recent articles in the Journal of Proteome Research by Dr Andrei P. Sommer of the U...

Atmosphere may cleanse itself better than previously thought

...t: either water droplets in clouds absorb them and rain them out, or sunlight strikes them and the energy breaks the molecules apart. "The third way is the one we are concerned with here, the way that involves breaking these hydrocarbons down chemically," Francisco said. "For that, the atmosphere relies ...

Amazon symposium to address large-scale conservation

... that are threatening the world's largest tropical rain forest complex, and the initiatives underway that create the potential for large-scale conservation. ...

Fungus-farming termites descend from an African rain forest Eve

...de their nests. Such termites can be found in both rain forest and savannah habitats in the Old World trop...that termite agriculture originated in the African rain forest, and gave rise to the many fungus-cultivating termite species alive today in various parts of...

A whole lot of shaking goin' on triggers early hatching in red-eyed tree frogs

...rences, hatching early to snake attacks but not to rain At the edge of Ocelot Pond, Panama, red-eyed tree... the vibrations of the clutches caused by tropical rain storms. To determine whether the frog embryos were hatching in response to vibration and not to som...

Digging in the dirt for life's biochemical foundations

...and improved ability to stanch the effects of acid rain on natural ecosystems, Shachar-Hill says. "These exciting results suggest that fungi are more important in plant nitrogen nutrition than we have hitherto suspected," says Alastair H. Fitter, a plant biologist at the University of York and an expert ...

Study uncovers dirty little secret: Soil emissions are much-bigger-than-expected component of air pollution

...en hang over major cities, they contribute to acid rain and they play a role in global climate change. In addition to equatorial Africa, hot spots for soil emissions include the central plains of the United States; southwestern Europe, primarily the Iberian Peninsula; much of India; and the northern plai...

The roots of civilization trace back to ... roots

...ers must have sustained our ancestors who left the rain forest to colonize the savannah. They have publish...relatively treeless savannah, they left behind the rain forest and its abundance of fruit and leaves, the mainstays of modern chimpanzee diets. Laden and Wr...

“Hitchhiking?Viruses as Cancer Drug Delivery System

...ers must have sustained our ancestors who left the rain forest to colonize the savannah. They have publish...relatively treeless savannah, they left behind the rain forest and its abundance of fruit and leaves, the mainstays of modern chimpanzee diets. Laden and Wr...

Tropical Deforestation affects rainfall in the U.S. and around the globe

...mbination of deforestation in these areas enhances rain in one region while reducing it in another. This finding contradicts earlier research suggesting deforestation would result in a reduction in precipitation and increase in temperature in the Amazon basin, but carry no detectable impact on the globa...

Birds and bats sow tropical seeds

...fragments and large tracts growing along rivers in rain forests," he said. "I think what it will show is that the replanting that almost everybody does in (tropical regions) is an extremely inefficient way to maintain and promote species diversity." Howe hopes the project -- which he expects will run fo...

UF study first to quantify validity of DNA I.D. tool using marine snails

...ld allow scientists to have a small lab within the rain forest, collecting biodiversity data and being instantly linked via satellite to the encyclopedia of life. ...

Chernobyl: The true scale of the accident

...potential exposure to radioactive materials. Wind, rain and human activity has reduced surface contamination, but led to secondary contamination of sewage and sludge systems. Radiation in air above settled areas returned to background levels, though levels remain higher where soils have remained undisturb...

New book on rain forests, slash-and-burn agriculture

...economic and social impacts of farming in tropical rain forests. "Slash-and-Burn Agriculture: The Search ...f the annual destruction of 80,000 square miles of rain forest. The forests are cleared by rural farmers to feed their families and by other interests seeki...

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