News tagged with nitrogen deposition
Acid rain poses a previously unrecognized threat to Great Lakes sugar maples
(PhysOrg.com) -- The number of sugar maples in Upper Great Lakes forests is likely to decline in coming decades, according to University of Michigan ecologists and their colleagues, due to a previously unrecognized ...
Jan 16, 2012 |
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Out of Africa and Into the American Midwest
Grasses bend in the wind, their golden tips tracing arcs across fields that stretch toward the horizon. Sunwashed by a fading evening light, these reedy ballet dancers are central figures in savanna, an ecosystem ...
Jan 09, 2012 |
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Seeing the forest under the trees
(PhysOrg.com) -- Scientists recently discovered nitrogen that falls from the atmosphere in acid rain can influence large tracts of sugar maples in North America.
Dec 08, 2011 |
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Industrialization weakens important carbon sink
Australian scientists have reconstructed the past six thousand years in estuary sedimentation records to look for changes in plant and algae abundance. Their findings, published in Global Change Biology, show a ...
Nov 29, 2011 |
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Reusable templates for the production of nanowires
Scientists from Argonne National Laboratory CNM's Nanofabrication and Electronic and Magnetic Materials and Devices groups, working with users from the University of Wisconsin-Stevenson Point, discovered a ...
May 23, 2011 |
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Elevated CO2 levels may mitigate losses of biodiversity from nitrogen pollution
Rising levels of carbon dioxide may overheat the planet and cause other environmental problems, but fears that rising CO2 levels could directly reduce plant biodiversity can be allayed, according to a new study by a University ...
Dec 03, 2009 |
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Airborne nitrogen shifts aquatic nutrient limitation in pristine lakes
The impact of airborne nitrogen released from the burning of fossil fuels and wide-spread use of fertilizers in agriculture is much greater that previously recognized and even extends to remote alpine lakes, ...
Space & Earth / Earth Sciences
Nov 05, 2009 |
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Invasive plants challenge scientists in face of environmental change
Managing invasive plant species on the Great Plains has become more challenging in recent years in the face of human-caused environmental change, including the positive responses of invaders to altered atmospheric chemistry ...
Jan 13, 2009 |
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