News tagged with excess nutrients
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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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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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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