Making sustainability policies sustainable

Sweeping environmental policies come with hidden challenges – not only striving to achieve sustainability and benefit the environment – but over time ensuring the program itself can endure.

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 of Arizona ...

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 in Asia and Africa.

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 assumed for several ...

The grass is always greener

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

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 million years ago. ...

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