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…
Now, a study of arid regions around the globe finds that a carbon dioxide “fertilization effect” has, indeed, caused a gradual greening from 1982 to 2010.Focusing on the southwestern corner of North America, Australia’s outback, the Middle East, and some parts of Africa, Randall Donohue of the Commonwealth Scientific and Industrial Research Organization (CSIRO) in Canberra, Australia and his colleagues developed and applied a mathematical model to predict the extent of the carbon-dioxide (CO2) fertilization effect. They then tested this prediction by studying satellite imagery and teasing out the influence of carbon dioxide on greening from other factors such as precipitation, air temperature, the amount of light, and land-use changes….
The study, published online in May in the journal PLOS ONE, assessed how vulnerable each freshwater species in California is to climate change and estimated…
A recent paper published in the Journal of Animal Science suggests producers may want to adjust pig diets when including distillers dried grains with solubles…
Because much of the storm’s devastation was wrought by flooding in the aftermath, researchers have been paying attention to how climate change and sea-level…
Lawrence Livermore scientists have discovered and demonstrated a new technique to remove and store atmospheric carbon dioxide while generating carbon-negative…
System 92E may organize more and become Tropical Storm Barbara later on May 28 as it continues organizing near the southwestern Mexican coast. When NASA’s Aqua…
Although large dams are generally considered more harmful than their smaller counterparts, the research team’s surveys of habitat loss and damage at several…
However, the effectiveness of the programmes has been questioned, and new research from the School of Business, Economics and Law at the University of…
Dartmouth College researchers have identified a new regulator for plant hormone signaling — the KISS ME DEADLY family of proteins (KMDs) – that may help to…
The insecticide would work by interfering with an enzyme found in the nervous systems of mosquitoes and many other organisms, called acetylcholinesterase.Existing insecticides target the enzyme but affect a broad range of species, said entomologist Jeff Bloomquist, a professor in UF’s Emerging Pathogens Institute and its Institute of Food and Agricultural Sciences….
The study says 60 out of 68 U.S. species, or 88 percent of fish species found exclusively in large-river ecosystems like the Mississippi, Missouri and Ohio…
The announcement comes on World Turtle Day – a global celebration to bring attention to the plight of turtles and tortoises from around the planet.Last year,…
A mystery, however, has remained despite decades of research: Why does El Niño always peak around Christmas and end quickly by February to April? Now there is…
To confront this challenge, the new Centre for Climate Research & Development (CCRD) took up its work this month – a substantial effort to build up indigenous…
Because of the great depth of the earthquake a tsunami is not expected and there should also be no major damage due to shaking. Professor Frederik Tilmann of…
From Virginia to Florida, there is a prehistoric shoreline that, in some parts, rests more than 280 feet above modern sea level. The shoreline was carved by…
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