News tagged with grazing animals

Grazing snails rule the waves: marine study

(Phys.org) -- Coral reefs and seashores largely look the way they do because large fish and urchins eat most of the seaweed that might otherwise cover them, but a major new study has found that the greatest ...

Biology / Ecology

created May 31, 2012 | popularity 3 / 5 (1) | comments 0

Study finds evidence nanoparticles may increase plant DNA damage

(Phys.org) -- Researchers at the National Institute of Standards and Technology (NIST) and the University of Massachusetts Amherst (UMass) have provided the first evidence that engineered nanoparticles are ...

Nanotechnology / Bio & Medicine

created Apr 18, 2012 | popularity 4.4 / 5 (7) | comments 1 | with audio podcast

Conservatism saved Iceland from catastrophe

The people of medieval Iceland survived disaster by sticking with traditional practices, an innovative new study suggests.

Space & Earth / Earth Sciences

created Mar 22, 2012 | popularity 4.4 / 5 (17) | comments 16 | with audio podcast

How the zebra got its stripes

If there was a 'Just So' story for how the zebra got its stripes, I'm sure that Rudyard Kipling would have come up with an amusing and entertaining camouflage explanation. But would he have come up with the explanation that ...

Biology / Plants & Animals

created Feb 09, 2012 | popularity 4.3 / 5 (3) | comments 0

Farming crucial for threatened species in developing world

A number of threatened species in the developing world are entirely dependent on human agriculture for their survival, according to new research by the University of East Anglia (UEA).

Biology / Ecology

created Dec 05, 2011 | popularity not rated yet | comments 0

Scientists make turfgrass safer for animals, deadly for insects

The right combination of compounds produced by a beneficial fungus could lead to grasses that require fewer pesticides and are safer for wildlife and grazing animals, according to Purdue University scientists.

Biology / Ecology

created Sep 06, 2011 | popularity not rated yet | comments 0

Some plants duplicate their DNA to overcome adversity

Whatever does not kill a plant may actually make it stronger. After being partially eaten by grazing animals, for example, some plants grow bigger and faster and reproduce more successfully than they otherwise ...

Biology / Biotechnology

created Aug 01, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Grazing management effects on stream pollutants

Surface water quality is important for the proper function of aquatic ecosystems, as well as human needs and recreation. Pasturelands have been found to be major sources of sediment, phosphorus and pathogens in Midwest surface ...

Space & Earth / Environment

created Jul 21, 2011 | popularity 5 / 5 (1) | comments 0

NASA's Aura satellite measures pollution 'butterfly' from fires in central Africa

Fires raging in central Africa are generating a high amount of pollution that is showing up in data from NASA's Aura Satellite, with the ominous shape of a dark red butterfly in the skies over southern part ...

Space & Earth / Earth Sciences

created Jul 15, 2011 | popularity not rated yet | comments 0

Probing the secrets of the ryegrasses

Loline alkaloids protect plants from attack by insects and have other interesting features that have yet to be studied in detail. Chemists from Ludwig-Maximilians-Universitaet in Munich, Germany, have developed a method for ...

Chemistry / Other

created Jun 20, 2011 | popularity not rated yet | comments 0

Using remote sensing to track invasive trees

A team of Agricultural Research Service (ARS) scientists has refined remote sensing tools for identifying invasive Ashe juniper shrubs and trees in central Texas and nearby regions. These findings can help rangeland managers ...

Biology / Ecology

created May 21, 2010 | popularity not rated yet | comments 0

Wolf reintroduction proposed in Scottish Highland test case

Researchers are proposing in a new report that a major experiment be conducted to reintroduce wolves to a test site in the Scottish Highlands, to help control the populations and behavior of red deer that ...

Biology / Plants & Animals

created Jul 20, 2009 | popularity 5 / 5 (2) | comments 1

New study shows widespread and substantial declines in wildlife in Kenya's Masai Mara

Populations of major wild grazing animals that are the heart and soul of Kenya's cherished and heavily visited Masai Mara National Reserve—including giraffes, hartebeest, impala, and warthogs—have "decreased ...

Biology / Ecology

created Apr 22, 2009 | popularity not rated yet | comments 0

Poison: It's what's for dinner

As the U.S. Southwest grew warmer from 18,700 to 10,000 years ago, juniper trees vanished from what is now the Mojave Desert, robbing packrats of their favorite food. Now, University of Utah biologists have ...

Biology / Ecology

created Apr 06, 2009 | popularity 4.8 / 5 (4) | comments 2

Biodiversity passes the taste test and is healthier too

Cattle and sheep grazed on natural grasslands help maintain biodiversity and produce tastier, healthier meat, according to a study funded by the Economic and Social Research Council (ESRC). The research, part of the Rural ...

Other Sciences / Other

created Jan 14, 2009 | popularity 3 / 5 (1) | comments 0