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…
The International Union for the Conservation of Nature (IUCN) today formally announced the reclassification of beluga sturgeon in the Caspian Sea as…
ARS plant physiologists Dale Shaner and Lori Wiles made this discovery from ongoing experiments on two irrigated fields at Colorado State University (CSU) at…
Yesterday, March 17, at 0900 UTC (5 a.m. EDT), Tomas was 710 miles southeast of Nadi, Fiji, near 27.0 South and 174.7 West and was a Category One cyclone….
The use of prescribed burns to manage western forests may help the United States reduce its carbon footprint.Results of a new study find that such burns, often…
“Mercury levels in this part of the river have never been studied before,” says biology professor Linda Campbell. “Now we know the sources of the problem and…
The emergence of biofuels into agricultural systems presents new opportunities for farmers to improve economic return while providing critical ecosystem…
As reported in last week's Lunar and Planetary Science Conference in Houston, two most promising candidates for stardust have been identified. They were…
In a laboratory, researchers created a miniature river delta that replicates flooding patterns seen in natural rivers, resulting in a mathematical model…
In the 1930s, soil used as ballast to weigh down cargo ships from South America to Mobile, Alabama introduced the red imported fire ant to the southern United…
The countries, part of the Convention on International Trade in Endangered Species (CITES), are gathering to decide, among other proposals, whether to grant…
Tropical cyclone warnings in the Solomon Islands are in effect for Rennell and Bellona, A tropical cyclone watch is in effect for the provinces of Guadalcanal,…
Another instrument on NASA's Aqua satellite measured the cloud top temperatures of Tomas' thunderstorms, and revealed very high, cold thunderstorms (as cold as…
The high-magnitude earthquake of 27.2.2010 in southern Central Chile closed one of the two remaining seismic gaps at the South American plate boundary. After…
A scientific platform for research collaboration brings together researchers from the Leibniz-Centre for Agricultural Landscape Research (ZALF) and the…
Sewage sludge can be a source of plant nutrients, such as nitrogen, phosphorus, and soil organic matter. This aspect is more relevant in tropical regions,…
Like a band of detectives surveying the movement of a criminal, researchers using photographic technology have caught at least one culprit in the act.In this…