New study finds that the nutritional value of prey within a single species can widely vary, offering key insights for food web dynamics and ecosystem change The hunt is on and a predator finally zeroes in on its prey. The animal consumes the nutritious meal and moves on to forage for its next target. But how much prey does a predator need to consume? Following a period of massive starvation among animals living along the California coast, University of California…
Thirty-eight million years ago, tropical jungles thrived in what are now the cornfields of the American Midwest and furry marsupials wandered temperate forests…
One year after the Eyjafjallajökull volcano in Iceland brought European air traffic to a standstill its ash plume revealed a surprising scientific finding:…
The network has grown over the last decade from a few radars to what is now considered the largest network of its kind in the world consisting of 78 sites in…
Both TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments were used to provide the rainfall analysis. TRMM's TMI had the best coverage of…
After studying data from Japan’s extensive seismic network, researchers from the Woods Hole Oceanographic Institution (WHOI), Kyoto University and the U.S….
The northern abalone–prized as a gourmet delicacy–has a range that extents along the North American west coast from Baja California to Alaska. Even though…
“Concern is a good thing. It reflects knowledge gained from experience with one of the most destructive plant diseases, unknown to many in 2009. Awareness of…
Agricultural Research Service (ARS) agricultural engineer Al Rotz led a team that evaluated how different management systems on a typical 250-acre Pennsylvania…
Tiny fossil teeth discovered in Inner Mongolia are a new species of birch mouse, indicating that ancestors of the small rodent are much older than previously…
Researchers like Northern Arizona University’s Paul Beier, a conservation biology and wildlife ecology professor in the School of Forestry, said this…
Melinda Daniels, associate professor of geography, and Keith Gido, associate professor of biology, are collaborating on a project that involves habitat and…
Pennsylvania farmers are increasingly interested in growing cover crops, but the time, cost and late fall harvest of corn and other crops often limit their…
And the picture isn’t pretty.In the last decade, two of the largest three glaciers draining that frozen landscape have lost enough ice that, if melted, could…
In a series of three infrared images from the period of May 19-22, 2011, NASA's Atmospheric Infrared Sounder (AIRS) instrument revealed the strengthening of…
The invasion of alien species has had the consequence that the whole food chain is changing, while there is a lack of knowledge on which to base relevant risk…
“Regular tremor and slip goes through an area fairly slowly, breaking it. Then once it's broken and weakened an area of the fault, it can propagate back across…