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 light brown apple moth, Epiphyas postvittana (Walker), feeds on apples, pears, stonefruits, citrus, grapes, berries and many other plants. A native of…
Burkhard Schulz, an assistant professor of horticulture and landscape architecture, wanted to understand the relationship between natural brassinosteroids – a…
In other words, if you were alive about 800,000 years ago, and facing what we call north with a magnetic compass in your hand, the needle would point to…
The latest groundwater map, released on Nov. 29, shows large patches of maroon over eastern Texas, indicating severely depressed groundwater levels. The maps,…
Permafrost thaw will release approximately the same amount of carbon as deforestation, say the authors, but the effect on climate will be 2.5 times bigger…
The findings, which appear in the Dec. 1 edition of the journal Nature, are the first direct evidence of what the ancient atmosphere of the planet was like…
“Wastewater treatment is a socioeconomic issue rather than a purely technical one. Using biotechnology for this purpose will provide communities with a safe…
The Saint Louis Zoo's Ron Goellner Center for Hellbender Conservation and the Missouri Department of Conservation announced on Nov. 30, 2011, that Ozark…
This study is the first to conclusively relate geochemical differences in surface lava rocks from both chains to differences in their deep mantle sources,…
Taking into account that the high wind speeds result from the near absence of friction and not from a strong power source, Axel Kleidon and colleagues found…
But the bison at Konza serve an important purpose by furthering the efforts of numerous experiments being conducted on-site, according to Kansas State…
Two distinct populations of rainbow trout — one in Alaska, the other in Idaho — share a genetic trait that could have huge implications for fisheries…
The naturally low pH (a measure of acidity) in the water around the springs creates conditions similar to those that will result from the widespread…
The voracious mites, which technically are not insects, can eat more than 1,100 plant species – a rare trait. The mites’ newly revealed and sequenced genome…
The Midwest Geological Sequestration Consortium (MGSC) has begun injecting carbon dioxide (CO2) for the first million-tonne demonstration of carbon…
The variation in physiological characteristics between tree species explains how the various species fit into their ecological niches, thereby contributing to…