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Wildlife researchers identify impacts of contamination in amphibians
Bill Hopkins, fisheries and wildlife associate professor in Virginia Tech's College of Natural Resources, and colleagues doing research at the Savannah River Ecology Laboratory and in the field, have demonstrated that amphibians are exposed to contaminants through maternal transfer, as has been proven for other vertebrates.   view more (2006-02-22)

Arctic ice meltdown continues with significantly reduced winter ice cover
As far as temperatures drop in the Arctic winter - on average to -34°C (-29°F) - a new study shows that in the last two years sea ice is shrinking on the surface of Arctic waters to record low levels.   view more (2006-09-14)

Global map shows new patterns of extinction risk
The most detailed world map of mammals, birds and amphibians ever produced shows that endangered species from these groups do not inhabit the same geographical areas, says new research published today.   view more (2006-11-02)

Global warming link to amphibian declines in doubt
Evidence that global warming is causing the worldwide declines of amphibians may not be as conclusive as previously thought, according to biologists. The findings, which contradict two widely held views, could help reveal what is killing the frogs and toads and aid in their conservation.   view more (2008-11-13)

Seagrass Is In Decline Worldwide, Says UNH Researcher
Around the world, seagrass beds - shallow-water ecosystems that are important habitats, food sources, and sediment stabilizers - are in decline.   view more (2006-03-28)

Mean Population Size Increases with Diversity
A long-standing debate in ecology has been the effect of diversity on the temporal stability of biological systems. Ecological theory predicts that the stability of populations should decline as community diversity increases, in part, because population size is assumed to decline with community richness. In the February issue of Ecology Letters,... view more... (2003-01-28)

Colombian Frog Believed Extinct Found Alive
Researchers exploring a Colombian mountain range found surviving members of a species of Harlequin frog believed extinct due to a killer fungus wiping out amphibian populations in Central and South America.   view more (2006-05-19)

Where Have All the Butterflies Gone?
Cold, wet conditions early in the year mean that 2006 is shaping up as the worst year for California's butterflies in almost four decades.   view more (2006-05-09)

Comparison of cocaine and methamphetamine 'highs' finds differences in onset, pattern and duration
Investigators at the Jane and Terry Semel Institute for Neuroscience and Human Behavior at UCLA examining responses to cocaine and methamphetamine use find distinct differences in onset, pattern and duration.   view more (2005-08-25)

No safe ground for life to stand on during world's largest mass extinction
The world's largest mass extinction was probably caused by poisonous volcanic gas, according to research published today.   view more (2005-12-02)

Tiny roundworm's telomeres help scientists to tease apart different types of aging
The continual and inevitable shortening of telomeres, the protective "caps" at the end of all 46 human chromosomes, has been linked to aging and physical decline.   view more (2005-08-08)

Meteor no longer prime suspect in great extinction
The greatest mass extinction in Earth's history also may have been one of the slowest, according to a study that casts further doubt on the extinction-by-meteor theory.   view more (2007-10-25)

Climate change drives widespread amphibian extinctions
Results of a new study provide the first clear proof that global warming is causing outbreaks of an infectious disease that is wiping out entire frog populations and driving many species to extinction.   view more (2006-01-12)

Omega-3 fatty acids may slow down early Alzheimer's in some cases
Omega-3 fatty acid supplements may slow cognitive decline in some patients with very mild Alzheimer's disease, according to new findings from Karolinska Institutet (KI) in Sweden.   view more (2006-10-11)

Ozone layer decline leveling off, according to new study
A new global study involving long-term data from satellites and ground stations indicates Earth's ozone layer, while still severely depleted following decades of thinning from industrial chemicals in the atmosphere, is no longer in decline.   view more (2005-08-30)

Extinctions linked to climate change
A new report that links global warming to the recent extinction of dozens of amphibian species in tropical America is more evidence of a large phenomena that may affect broad regions, many animal species and ultimately humans.   view more (2006-01-12)

New research shows folic acid in grains has reduced birth defects
Folic acid fortification of grain foods has produced a one-third decline in serious birth defects of the brain and spine, but the March of Dimes urged federal officials to help spare a greater number of babies from these devastating conditions by requiring higher levels of the B vitamin.   view more (2005-09-06)

New golden frog discovered in remote region of Colombia
A new poisonous frog was recently discovered in a remote mountainous region in Colombia by a team of young scientists supported by the Conservation Leadership Programme (CLP).   view more (2007-08-29)

All species are not created equal when assessing the impacts of species loss on ecosystems
Numerous studies have shown that when species are randomly lost from communities, ecosystem function declines. But such patterns of species loss do not reflect those in natural communities where major drivers of change, such as stress and disturbance, cause preferential loss of rare and uncommon species. In the June issue of Ecology Letters, Smith... view more... (2003-05-22)

The desert is dying
Researchers from University of Bergen have found that trees, which are a main resource for desert people and their flocks, are in significant decline in the hyper-arid Eastern Desert of Egypt.   view more (2007-02-14)
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