Tag: "tropical" at biology news
American Chemical Society meeting features cutting-edge research August 26-30 in Chicago
...otential health benefits of beverages ranging from tropical
fruit juices to soy-based drinks, which may help fight such diseases as cancer and heart disease. Others are trying to improve the flavor and aroma of popular drinks like coffee, wine and tea. Their studies will be the focus of a three-day symposium,...
Can we defy nature's end?
...y. The remaining $5 billion would help protect the tropical
wilderness forests and key marine reserves. "This is the first time that a plan for addressing the most important crisis for biodiversity has been articulated from both a scientific and practical application point of view," says CABS Executive Direc...
Earliest evidence of lemurs discovered in Pakistan, far from their current home, Science reports
...in an environment that probably resembled a modern tropical
forest. The nearby discovery of a Baluchitherium skeleton by the Science researchers also testifies to a formerly lush landscape. Baluchitherium was one of the largest land mammals that ever lived on Earth, weighing in at close to 20 tons. "Thi...
Mountain cloud forests imperiled by lowland deforestation, says Science study
...ation of this release, click here . If you're a tropical
mountain cloud forest, having your head in the clouds is a good thing. The constant cloak of protective moisture creates a special environment that harbors a diverse set of plants and animals, including many species unique to the forests. Now, a new ...
Researchers put their heads together to understand complex world of wild plants and animals
...tore previously degraded landscapes by controlling tropical
deforestation or agricultural expansion. Preliminary results show that high levels of deforestation may lead to larger than expected animal extinction rates. "When landscape becomes too fragmented, the risk of extinction may be much higher than you w...
Yale and University of Chicago researchers discover 40-foot crocodile fossil, possibly the largest known so far
...were deposited on the shores of an inland sea in a tropical
environment in central Niger-now part of the Tenere Desert, which is a large section of the Sahara Desert. Larsson said S. imperator is not a direct ancestor of modern crocodiles, but it is a close cousin. It most resembles the endangered Gharial cr...
First global-scale assessment of biodiversity beneath our feet
...f litter on the ground of diverse ecosystems, from tropical
to boreal forests, and from to savannahs to arctic tundra. Over the next two months they will retrieve a subset of these bags for analysis of global patterns of decomposition and the species involved. The Chair of GLIDE, Dr. Diana Wall of Colorado S...
Chemical pollution and human sewage could be killing corals
...n its wake, said UI geologist Bruce Fouke. Like a tropical
rainforest, a coral reef system is a cradle of biodiversity. If we destroy the reefs, we destroy the oceans ability to reproduce. To better understand the disease, Fouke and his colleagues, UI microbiologist Abigail Salyers and postdoctoral research...
Ecosystems slowed 1990s greenhouse gas buildup
...studiesshow carbon absorption by a range of mature tropical
forest types,but the authors warn that such processes may not be true of theentire region, since tropical
ecosystems vary widely. The lack ofdata, both atmospheric and ecological, combined with a complexmet...
Land wont soak up carbon indefinitely say top scientists
...iations such as the El Nio Southern Oscillation in tropical
and extra-tropical regions. Globally, there appears to be a net release of carbon to the atmosphere during warm, dry years and a net uptake during cooler years. This observation gives a hint of how terrestrial sinks may respond to longer term climate...
Largest fossil cockroach found: Site preserves incredible detail
...t Ohio State. Ohio was a giant tropical
swamp then, but this particular site was unusual. "Normally, we can only hope to find fossils of shell and bones, because they have minerals in them that increase their chances for preserva...
Parasitic worms 'read' the bodys immune condition and reproduce accordingly
..., UCSF professor of pathology and an expert on the tropical
parasitic worms. You would expect the worms to hav...raction to treat or even prevent infections by the tropical
parasites. Co-authors on the research with McKerrow and Davies are Richard Locksley, MD, Howard Hugh...
'Skeletons' in the closet
...lassification is uneven in certain regions such as tropical
forests. There is also a lack of standardized sampling schemes, and there are statistical problems with methods for extrapolating counts of diversity. Popular species like butterflies have an even higher rate of invalid names he said. "We need anot...
Studying plant adaptation to arctic helps understand the 'steps of wisdom of life'
Blacksburg, Va. -- Tiny tropical
plants survived their continental-drift relocation...to such adaptations of millennia ago, when ancient tropical
continents drifted into frigid climes, helps understand "the steps of wisdom of life," said Stephen ...
After hooking toxin behind seafood poisoning, Science researchers may tackle prevention
...ra, or seafood poisoning, occur in subtropical and tropical
regions, where fish are most commonly infected. Because reef fish are increasingly exported to other areas, and ciguateric fish look, taste, and smell normal, ciguatera may become a world-wide health problem, says Science researcher Masahiro Hirama...
Special section: Habitat fragmentation can amplify
...historical fire interval is at least 100 years,and tropical
trees cannot withstand more frequent fires becausetheir bark is too thin. --Amazon forest fragments are also more susceptible to damagefrom El Nino-Southern Oscillation droughts. During the 1997drought, trees near fragment edges were 50% more likely ...
December Media Mighlights: GEOLOGY and GSA TODAY
...ogical balance in inland seas. Analogous to modern tropical
environments, enhanced nutrient mobilization and riverine nutrient flux originating from areas colonized by land plants in the north of the continent (todays Canadian Arctic) may have caused the proliferation of bioeroders on the Devonian western Can...
Beware of leap year when predicting climate change, warns researcher
...ccounting for leap years), while the more accurate tropical
year (the average time between successive vernal e...he actual 5.5-day trend based on the more accurate tropical
year. While some short-term studies exaggerated the advance of spring, others using records dating ...
Battling the barnacle
...hs if not scraped and cleaned and this doubles in tropical
waters. Its an age-old battle, says Dr. Steve McElvany, ONRs Program Manager for Environmental Quality, who also studies the mechanics of adhesion. ONR is looking hard at the development of non-toxic, foul-release polymeric marine coatings. The pr...
January media highlights: GEOLOGY and GSA TODAY
... patterns to explain puzzling evidence from Earths tropical
period during the Eocene. (Jahren is the 2001 reci...ian Highlands and from the White Nile catchment in tropical
East Africa. The authors show that when there was more rainfall in the Ethiopian Highlands, and more...
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