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 ...

Mar 18, 2012 4.8 / 5 (6) 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 ...

Jan 26, 2012 5 / 5 (4) 0 | 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.

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

Invasion of the slugs—halted by worms...

The gardener's best friend, the earthworm, is great at protecting leaves from being chomped by slugs, suggests research in BioMed Central's open access journal BMC Ecology. Although they lurk in the soil, they seem to pro ...

May 12, 2013 not rated yet 1

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 ...

Jan 22, 2009 3.7 / 5 (3) 0