News tagged with grassland ecosystem

Mesquite trees displacing Southwestern grasslands

As the desert Southwest becomes hotter and drier, semi-arid grasslands are slowly being replaced by a landscape dominated by mesquite trees, such as Prosopis velutina, and other woody shrubs, a team of University ...

Biology / Ecology

created Mar 18, 2012 | popularity 4.8 / 5 (6) | comments 13 | with audio podcast

Overgrazed grasslands tied to locust outbreaks

While residents of the United States and much of Europe think of locust plagues as biblical references, locust swarms still have devastating effects on agriculture today, especially in developing countries ...

Biology / Ecology

created Jan 26, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

New plant ecology study challenges conventional wisdom

(PhysOrg.com) -- An international team of 58 ecologists, including UC Davis researcher Louie Yang, has found that habitat productivity does not predict the quantity or diversity of plant species, as has been ...

Biology / Ecology

created Sep 26, 2011 | popularity 3 / 5 (2) | comments 1 | with audio podcast

The grass is always greener

(PhysOrg.com) -- Recent study of grasslands shows that species variety more important to ecosystem services than previously thought.

Biology / Ecology

created Aug 19, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Most plant species important in various and varying ecosystems: study

From the kinds that people sneeze at, to the kinds that have prickly seeds that stick to pant legs, there are many different types of plants in grasslands around the world.

Biology / Ecology

created Aug 10, 2011 | popularity 5 / 5 (2) | comments 5 | with audio podcast

Earth's biodiversity: What do we know and where are we headed?

the number of microorganisms, plants, and animals, their genes, and their ecosystems (such as rainforests and grasslands)—is declining at an alarming rate, even faster than the last mass extinction 65 ...

Biology / Ecology

created Mar 10, 2011 | popularity not rated yet | comments 0

Intensive land management leaves Europe without carbon sinks

A new calculation of Europe's greenhouse gas balance shows that emissions of methane and nitrous oxide tip the balance and eliminate Europe's terrestrial sink of greenhouse gases.

Space & Earth / Earth Sciences

created Nov 23, 2009 | popularity 3.5 / 5 (8) | comments 0

Invasions by alien plants have been mapped in Europe

Biological invasions are one of the major threats to biodiversity and in many cases they have considerable impact on economy and human health. For their effective management it is important to understand which areas and ecosystems ...

Biology /

created Jan 22, 2009 | popularity 3.7 / 5 (3) | comments 0