News tagged with forest ecosystems
Greenhouse gas carbon dioxide ramps up aspen growth
Dec 04, 2009 |
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The rising level of atmospheric carbon dioxide may be fueling more than climate change. It could also be making some trees grow like crazy.
Timber harvest impacts amphibians differently during life stages
Nov 03, 2009 |
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Frogs are croaking in clear-cut forests, but not exactly in their traditional manner. University of Missouri researchers found that removing all of the trees from a section of the forest had a negative effect ...
Loss of top predators causing surge in smaller predators, ecosystem collapse
Oct 01, 2009 |
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The catastrophic decline around the world of "apex" predators such as wolves, cougars, lions or sharks has led to a huge increase in smaller "mesopredators" that are causing major economic and ecological disruptions, ...
Extinction crisis looms in Oceania: study
Jul 28, 2009 |
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Governments must act urgently to halt loss of habitats and invading species that are posing major threats to biodiversity and causing species extinctions across Australia, New Zealand and the Pacific Islands, according to ...
Spring cold snap helps with stream ecosystem research
Jul 23, 2009 |
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A rare April freeze in 2007 provided researchers at the Department of Energy's Oak Ridge National Laboratory with further evidence that climate change could have negative effects on stream and forest ecosystems.
Forests could flip from sink to source of CO2: study
Apr 17, 2009 |
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Forests that today soak up a quarter of carbon pollution spewed into the atmosphere could soon become a net source of CO2 if Earth's surface warms by another two degrees Celsius (3.6 degrees Fahrenheit), cautions ...
The greenest paper of them all
Mar 09, 2009 |
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Wondering which paper towel or toilet paper is the greenest? The nonprofit advocacy group Greenpeace has released a pocket guide to paper products -- an updated version of the old National Resources Defense Council guide. ...
New technology needed to monitor rain forest 'tsunami'
Jan 12, 2009 |
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Human impact on tropical forest ecosystems has reached a "tsunami" stage, say scientists, and will require a new generation of sophisticated remote-sensing technology to monitor the changes. Speaking at a January 12, 2009 ...
Snakes, Salamanders and Other Creatures Thrive in Areas with Higher Deer Populations
Biology /
Oct 20, 2008 |
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Reducing the number of deer in forests and parks may unexpectedly reduce the number of reptiles, amphibians and insects in that area, new research suggests.
