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 ...
Ecology
Mar 18, 2012
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The need to conserve water played a vital role in driving plants to evolve a specialised form of photosynthesis, scientists have shown.
Evolution
Feb 3, 2012
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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.
Ecology
Jan 26, 2012
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(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 ...
Ecology
Sep 26, 2011
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(PhysOrg.com) -- Recent study of grasslands shows that species variety more important to ecosystem services than previously thought.
Ecology
Aug 19, 2011
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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.
Ecology
Aug 10, 2011
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Warfare, triggered by political conflict between the fifth century B.C. and the first century A.D., likely shaped the development of the first settlement that would classify as a civilization in the Titicaca basin of southern ...
Archaeology
Jul 25, 2011
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More carbon dioxide in the atmosphere causes soil to release the potent greenhouse gases methane and nitrous oxide, new research published in this week's edition of Nature reveals. "This feedback to our changing atmosphere ...
Environment
Jul 13, 2011
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Catastrophic drought is on the near-term horizon for the capital city of Bolivia, according to new research into the historical ecology of the Andes.
Environment
Nov 12, 2010
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(PhysOrg.com) -- Scientists have appealed for a halt to plans to build a road through the Serengeti National Park in Tanzania in 2012, saying it will be an environmental disaster.
