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5 December 2013 11:26 am ,
Vol. 342 ,
An animal rights group known as the Nonhuman Rights Project filed lawsuits in three New York courts this week in an...
Researchers have been hot on the trail of the elusive Denisovans, a type of ancient human known only by their DNA and...
Thousands of scientists in the Russian Academy of Sciences (RAS) are about to lose their jobs as a result of the...
Dyslexia, a learning disability that hinders reading, hasn't been associated with deficits in vision, hearing, or...
Exotic, elusive, and dangerous, snakes have fascinated humankind for millennia. They can be hard to find, yet their...
Researchers have sequenced and analyzed the first two snake genomes, which represent two evolutionary extremes. The...
Snake venoms are remarkably complex mixtures that can stun or kill prey within minutes. But more and more researchers...
At age 30, Dutch biologist Freek Vonk has built up a respectable career as a snake scientist. But in his home country,...
- 5 December 2013 11:26 am , Vol. 342 , #6163
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ScienceShot: Grazed Grasslands Are Biodiversity Hot Spots
15 March 2012 8:01 pm
Talk about packing it in. Researchers have found 89 plant species crammed into a single square meter of mountain grassland in central Argentina, including many grasses and small flowers. Several meadows in Romania and the Czech Republic were nearly as rich. These biodiversity hot spots, reported today in the Journal of Vegetation Science, emerged from researchers scanning millions of published and unpublished plant surveys in different-sized plots. Grazing animals, such as cows and sheep, help keep these small plots of land rich in species by removing the tops of plants, thereby allowing more individual plants access to light, the researchers say. Such hot spots used to be a lot more common, but now, with fewer free-ranging livestock, they're quite rare.
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