News tagged with nutrient pollutants
Tracking nutrient pollutant in Chesapeake
Too much of a good thing can kill you, the saying goes.
May 10, 2012 |
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Costs for changing pollution criteria in Florida waters likely to exceed EPA estimates
The costs to switch to numeric criteria for limiting nutrient pollutants in Florida waters are expected to exceed U.S. Environmental Protection Agency estimates, says a new National Research Council report. The committee ...
Mar 06, 2012 |
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Decline in dead zones: Efforts to heal Chesapeake Bay are working
Efforts to reduce the flow of fertilizers, animal waste and other pollutants into the Chesapeake Bay appear to be giving a boost to the bay's health, a new study that analyzed 60 years of water quality data has concluded. ...
Nov 03, 2011 |
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Breeding soybeans for improved feed
Modifying soybean seed to increase phosphorus content can improve animal nutrition and reduce feed costs and nutrient pollution. However, further research is needed to commercialize this valuable technology. Knowledge of ...
Sep 16, 2011 |
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Cruising the Chesapeake for water and air quality
A NASA-led team of scientists took to the Chesapeake Bay this summer to study a diverse yet close-to-home ecosystem in a field campaign that will help the agency determine how to study ocean health and air ...
Space & Earth / Earth Sciences
Sep 09, 2011 |
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Urban impacts on phosphorus in streams
Although phosphorus is an essential nutrient for all life forms, essential amounts of the chemical element can cause water quality problems in rivers, lakes, and coastal zones. High concentrations of phosphorus in aquatic ...
Aug 11, 2011 |
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Major flooding on the Mississippi River likely to cause large Gulf of Mexico dead zone
The Gulf of Mexico's hypoxic zone is predicted to be larger than average this year, due to extreme flooding of the Mississippi River this spring, according to an annual forecast by a team of NOAA-supported scientists from ...
Jun 14, 2011 |
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Could oysters be used to clean up Chesapeake Bay?
Chronic water quality problems caused by agricultural and urban runoff, municipal wastewater, and atmospheric deposition from the burning of fossil fuels leads to oxygen depletion, loss of biodiversity, and harmful algal ...
Jan 21, 2011 |
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Elevated nitrogen and phosphorus still widespread in much of the nation's streams and groundwater
Elevated concentrations of nitrogen and phosphorus, nutrients that can negatively impact aquatic ecosystems and human health, have remained the same or increased in many streams and aquifers across the Nation since the early ...
Sep 27, 2010 |
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New research links decline of endangered California delta smelt to nutrient pollution
A new study to be published in the academic journal Reviews in Fisheries Science recommends that efforts to restore the endangered California delta smelt and other declining pelagic fish should more sharply focus on reduci ...
May 17, 2010 |
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Aquatic 'dead zones' contributing to climate change
The increased frequency and intensity of oxygen-deprived "dead zones" along the world's coasts can negatively impact environmental conditions in far more than just local waters. In the March 12 edition of the journal Science, Univer ...
Mar 11, 2010 |
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Seeing the hidden services of nature
Following an intense study of agricultural ecosystems near Montreal, a new tool that enables the simultaneous analysis and management of a wide range of ecological services has been developed by Ciara Raudsepp-Hearne of McGill ...
Mar 02, 2010 |
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New research to unravel how nutrients drive toxic 'brown tides' on East Coast
NOAA has awarded Massachusetts-based Woods Hole Oceanographic Institution $120,000 as part of an anticipated three-year, nearly $500,000 project, to determine how nitrogen and phosphorus promote brown tides on the East Coast. ...
Sep 17, 2009 |
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Chesapeake Bay cleanup a local issue for Pennsylvania, expert says
(PhysOrg.com) -- As federal agencies respond this month to President Barack Obama's executive order to redouble efforts to clean up the Chesapeake Bay, the challenge in Pennsylvania is to focus on local initiatives ...
Sep 16, 2009 |
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Water quality improves after lawn fertilizer ban, study shows
(PhysOrg.com) -- In an effort to keep lakes and streams clean, municipalities around the country are banning or restricting the use of phosphorus-containing lawn fertilizers, which can kill fish and cause ...
Aug 17, 2009 |
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