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…
Christie Williams, a research scientist with the U.S. Department of Agriculture's Agricultural Research Service and a Purdue University associate professor of…
“Concentrations of atrazine commonly found in agricultural streams and rivers caused reduced reproduction and spawning, as well as tissue abnormalities in…
The visible image showed three bright areas of sunglint within the area of the gray-beige colored spill. Sunglint is a mirror-like reflection of the sun off…
The Moderate Resolution Imaging Spectroradiomenter or MODIS instrument that flies aboard Aqua captured Laila in an image at 08:10 UTC (4:10 a.m. EDT). At that…
At 1500 UTC (11 a.m. EDT) on May 19, Tropical Storm 02A had maximum sustained winds near 39 mph, with higher gusts. It was located in the Arabian Sea (part of…
Global climate trend since Nov. 16, 1978: +0.14 C per decadeApril temperatures (preliminary)Global composite temp.: +0.50 C (about 0.9 degrees Fahrenheit)…
The results are important because, with the expansion of cities worldwide, migrating landbirds increasingly must pass through vast urban areas which offer very…
Waterhyacinth (Eichhornia crassipes) is a free-floating aquatic plant native to South America that has infested freshwater ecosystems from North Carolina to…
Grazinglands represent one of the largest land resources in the world, yet their role as net sinks or sources of greenhouse gases is essentially unknown….
Aphids spread diseases that cost gardeners and farmers hundreds of millions of dollars each year. Some of the insecticides available are not environmentally…
Much of the blame for this situation, explained Qijing Zhang of Iowa State University, can be placed on a mechanism in the bacteria called the efflux pump. It…
Cover crops may be more effective at reducing soil erosion and runoff after maize harvest than rough tillage, according to scientists from the Université…
They’re also tackling an even more intriguing—if less romantic—question: What is the volume of the Earth’s oceans? It’s hard to imagine Irving Berlin putting…
The brownish ash plume was being pushed to the northeast from a low pressure area situated to Iceland's northeast. The Moderate Resolution Imaging…
NASA's Aqua satellite captured a visible image of 1B from the Moderate Resolution Imaging Spectroradiometer (MODIS) at 7:25 UTC (12:25 p.m. Asia/Kolkata time)…
Greenland is situated in the Atlantic Ocean to the northeast of Canada. It has stunning fjords on its rocky coast formed by moving glaciers, and a dense icecap…
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