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…
Among the main problems that still have not been tackled but that are some of the main causes for major forest fires are dense and mono-specific vegetation…
The research shows that squirrel poxvirus is threatening to wipe out red squirrels in some of the areas in which they remain in northern England within 10…
Brad Taylor, currently a research associate in the department of biological sciences at Dartmouth, and his colleagues studied a fish called the flannelmouth…
Up to three-quarters of the offspring of small crustaceans that feed on a common brown seaweed, for example, are killed when they are exposed to copper at…
The approach, which uses advanced molecular methods to measure risk for infection, may also be applicable to other water-borne bacterial diseases. The findings…
Researchers at Michigan State University, the U.S. Geological Survey, the National Center for Atmospheric Research, and the Canadian Forest Service find that…
Soil microbes, in a process known as nitrification, combine ammonia with oxygen to form nitrates, which are used as nutrients by plants. “Ammonia oxidation is…
Brown fat plays an important role in newborn mammals, including our own children, since this tissue helps the newborn to maintain its body temperature by…
With Australian help, Indian farmers are fighting back against the world’s worst agricultural pest—the cotton bollworm—which costs $5 billion a year worldwide.The farmers are reducing the use of insecticides by about a half, while increasing crop yields by 11 per cent and profitability by 75 per cent….
Titled Global Environmental Change: Regional Challenges, the four-day event will feature more than 40 plenary and parallel sessions devoted to topics including…
Many warm-blooded animals slip into an inert sleep-like state as part of a unique strategy to get past harsh winters when food supplies are low and the need…
Researchers working at a Duke University outdoor test facility found that loblolly pines growing under carbon-dioxide levels mimicking those predicted for the…
A team led by Sean Willett, a University of Washington geologist, has found that the culprit is likely massive erosion, triggered by a sudden drop in the level…
Writing in the new issue of the Journal of Applied Ecology, Dr Rhys Green of the Royal Society for the Protection of Birds and University of Cambridge says:…
However, enough diclofenac remains to cause appreciable mortality (more than 10%) if birds were to take a large meal from the carcass of an animal that was…
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