Tag: "ecological" at biology news

Potential for enhanced sequestration of carbon in soils supports evaluations

...tributes to ongoing global warming that is causing ecological disruption and threatens human populations. The researchers note that a variety of land-use practices have apparently favorable potential for increasing carbon dioxide uptake, including intensifying cropping, adding organic material to soil, conserva...

Climate change plus human pressure caused large mammal extinctions in late Pleistocene

...ide. This new analysis of archeological, climatic, ecological and simulation studies shows that these extinctions happened around the world. Of more than 150 genera of megafauna - that is, animals weighing more than 44 kilograms (97 pounds) - living on Earth 50,000 years ago, at least 97 were extinct by 10,000 ...

Atacama rover helps NASA learn to search for life on Mars

...es scientist Chris McKay is conducting a long-term ecological study of the Atacama as a Mars analog environment. Scientists using EventScope, a remote experience browser developed by researchers at Carnegie Mellon's Studio for Creative Inquiry, will guide Zoe. EventScope enables scientists to experience...

Pollutant causes delayed flowering in plants

..., I would bet that these findings have large-scale ecological implications regarding the effects of air pollution on flowering. It is entirely possible that global pollution by oxides of nitrogen could delay plant flowering worldwide," Pei said. Pei and his colleagues began their studies by exposing the seedlin...

Environmental issues center of Inland Northwest Research Alliance 4th Annual Symposium

... strategic plan, other factors such as traditional ecological knowledge, public desire, laws and regulations also play a factor. He encouraged the graduate students in the audience working to become future scientists - to keep abreast with the latest issues regarding a number of different Interior Department o...

NSF and AIBS sign cooperative agreement for NEON project office

...wide research platform, will be the first national ecological observation system designed to answer scientific q...s at regional and continental scales and to enable ecological forecasting. "Once built, NEON will transform ecological research," said Mary Clutter, NSF assis...

AIBS tapped to coordinate design of ecological observatories

...ts implementation. NEON will be the first national ecological observation system designed to answer scientific q...at regional and continental scales and thus enable ecological forecasting. Just as the nation's network of meteorological stations allows scientists to predict ch...

'Fossil genes' reveal how life sheds form and function

...alactose, suggesting that the yeast experienced an ecological shift that somehow removed galactose from the organism's menu, thereby making the galactose-processing genes obsolete. The relic genes, according to Hittinger, are "full of holes," where numerous DNA bases - the building blocks of all genes - have be...

US investment firm gives away Rhode Island-sized lands in Chile

...lly suited to create a reserve and protect the key ecological features of this land for the people of Chile. The transfer represents one of the most significant gifts of private land worldwide, due to the size of the land (approximately equal in size to the state of Rhode Island), the ecosystems it contains and...

NSF announces six 'FIBR' awards to tackle some of biology's most challenging questions

...ired genes? What genetic forces draw members of an ecological community together? And does social behavior origi...he genetic forces that draw together members of an ecological community -- Northern Arizona University (lead), University of Wisconsin, University of Tennessee, U...

Ecology of infectious diseases grants awarded

...e joint program supports efforts to understand the ecological and biological mechanisms that govern relationship...s diseases may point to underlying and predictable ecological relationships." Yet both basic and applied research in infectious disease ecology has been largely p...

Lecture on ecology of infectious diseases

...s to movement of the disease. By identifying the ecological components of plague outbreaks, Collinge will be able to provide wildlife managers with the tools necessary to protect declining populations of prairie dogs and to minimize public exposure to plague. Who: Sharon Collinge, principal investigat...

Viral suspect for amphibian decline traced to human spread through bait

...ponsible for spreading such diseases with dramatic ecological consequences. Evidence for this comes from the genetic analysis of an emerging virus that has been implicated as a cause of infectious disease in amphibian populations in the western U.S. The genetic study indicates that the virus may have been tran...

Do genes respond to global warming?

... the two species differed based on their different ecological behaviors....

Genetic map of important tree genes outlined

... ecosystems and human societies," because of their ecological dominance and provision of so much energy and industrial materials for human societies. "Arabidopsis is still the plant model that will first give us the basic answers to how plants function," Strauss said. "But it is very exciting to see the knowled...

The birth of a beak

... the archipelago and their adaptation to different ecological niches. Today, beak shape is considered "a classical example of evolutionary diversification," writes Cheng-Ming Chuong, M.D., Ph.D., principal investigator on the Science paper and professor of pathology at the Keck School of Medicine, along with hi...

Computer models expose humans as main cause of caribou decline

...a PhD student at the U of A. "They need a pristine ecological environment with large areas of old-growth forests in order to survive, and most things that disrupt the natural environment will be detrimental to them." "In this manner, studying caribou is especially important because caribou are what we call an '...

Essential smell gene may provide key to new insect repellents

...olved smell receptors tailored to their individual ecological niches: fruit flies detect fruit, for example, and mosquitoes sense humans and other warm-blooded animals. As a result, although different insect species have different genes coding for smell receptors, all of them have a gene that looks like the fru...

Better living through urban ecology

...pulations and social institutions with traditional ecological studies, BES research has revealed unexpected patt.... Renewed funding will allow us to investigate the ecological and social feedbacks underlying urban ecology discoveries," One of the project's goals is to include...

Evidence for sympatric speciation by host shift in the sea

...orted, thus providing support for a general set of ecological conditions that favor sympatric speciation by host shift....

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