Humans began measurably and negatively impacting water quality in the Chesapeake Bay in the first half of the 19th century, according to a study of eastern oysters by researchers at The University of Alabama.
Environment
Apr 20, 2017
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Those concerned with the health of Chesapeake Bay are familiar with nitrogen as a major pollutant whose excess runoff into bay waters can lead to algal blooms and low-oxygen dead zones. Perhaps less familiar is the significant ...
Environment
Jan 16, 2017
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Areas of the Arctic play a larger role than previously thought in the global nitrogen cycle—the process responsible for keeping a critical element necessary for life flowing between the atmosphere, the land and oceans. ...
Earth Sciences
Oct 26, 2016
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Humans have more than doubled the amount of reactive nitrogen in the environment since the Industrial Revolution, with adverse consequences that include air and water pollution, biodiversity loss, ozone depletion, water acidification ...
Environment
Oct 6, 2016
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When considering human impacts on earth systems, disturbance to the carbon cycle grabs the headlines. But another critically important earth process, the nitrogen cycle, has also seen major disruption from human activity.
Environment
May 9, 2016
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A new study finds that human activities are likely contributing far less nitrogen to the open ocean than many atmospheric models suggest. That's generally good news, but it also nullifies a potential side benefit to additional ...
Environment
Jan 6, 2016
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475
It's easy to think of plants as passive features of their environments, doing as the land prescribes, serving as a backdrop to the bustling animal kingdom.
Ecology
Dec 1, 2015
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444
A novel approach to harness bacteria that could diminish nutrient-laden runoff from agriculture has the potential to support efforts to restore the Chesapeake Bay, where water quality improvements have been elusive, research ...
Environment
Mar 9, 2015
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The sea-grass beds of Long Island's Great South Bay once teemed with shellfish. Clams, scallops and oysters filtered nutrients from the water and flushed money through the local economy. But three decades after the algae ...
Environment
Sep 6, 2014
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(Phys.org) —In 1900, about 1.6 billion people lived on Earth. Just a few generations later, over four times as many of us share the planet.
Environment
Jun 30, 2014
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