Any day now, billions of cicadas with bulging red eyes will crawl out of the earth after 17 years underground and overrun the East Coast. The insects will arrive in such numbers that people in the southern ...
May 06, 2013
4.3 / 5 (4)
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(Phys.org)—The stems of shrubs have given researchers a window into a glacier's past, potentially allowing them to more accurately assess how they're set to change in the future.
Nov 26, 2012
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(Phys.org)—Research into how fragile dryland ecosystems degrade into deserts has revealed that the transition from grasslands to desert shrubs may be reinforced by the plants themselves. The study, conducted ...
Nov 05, 2012
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(Phys.org) -- In just a few decades shrubs in the Arctic tundra have turned into trees as a result of the warming Arctic climate, creating patches of forest which, if replicated across the tundra, would significantly ...
Jun 04, 2012
3.9 / 5 (17)
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Starting with the arrival of Polynesian settlers in the fourth century, and peaking in the mid-1800s, the destructive forces of wildfires and pests and the grazing of feral pigs, goats, and cattle reduced the native forests ...
Mar 31, 2012
5 / 5 (3)
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The relationship between permafrost, Arctic vegetation, soil erosion, and changing air temperatures is complicated at best. For instance, rising temperatures melt surface permafrost layers and increase shrub growth. These ...
Dec 31, 2011
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Farmer trainers should be selected based on their interest and ability to teach others rather than on their successes in implementing farming techniques, shows a new study led by Steve Franzel, a scientist at the World Agroforestry ...
Nov 15, 2011
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(PhysOrg.com) -- In an Australian first, scientists from The Australian National University and the NSW Office of Environment and Heritage have uncovered a new way of identifying 300 years of climatic changes ...
Sep 08, 2011
5 / 5 (3)
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