News tagged with excess nutrients
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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Mississippi mud: More water behind river's sediment rise
(PhysOrg.com) -- During the past several decades, upper Midwest state and local agencies have spent hundreds of millions of dollars on extraordinary conservation efforts to prevent the Upper Mississippi River ...
Sep 29, 2011 |
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New study provides global analysis of seagrass extinction risk
A team of 21 researchers from 11 nations, including professor Robert "JJ" Orth of the Virginia Institute of Marine Science, has completed the first-ever study of the risk of extinction for individual seagrass ...
May 25, 2011 |
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Algal turf scrubbers clean water with sunlight
An article published in the June issue of BioScience describes the early scale-up stage of a new biotechnology with environmental benefits and possible commercial potential. Algal turf scrubbers are field-sized, water-treatment system ...
Jun 01, 2011 |
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Ultra-fine coatings on sediment grains influence nitrate and sulfate storage in soil
Tiny sediment grains are covered with a very fine-grained, complex mixture of minerals in an open fabric that results in a large surface area in contact with water between the grains. Scientists at the U.S. Geological Survey ...
Feb 23, 2009 |
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