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, according to ...
Earth Sciences
Nov 5, 2009
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A new study suggests that improvements in air quality over the Potomac watershed, including the Washington, D.C., metro area, may be responsible for recent progress on water quality in the Chesapeake Bay. Scientists from ...
Environment
Jul 26, 2016
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Atmospheric nitrogen deposition has a significant impact on both terrestrial and aquatic ecosystems, and alterations in its level will significantly affect the productivity and stability of an ecosystem. In recent years, ...
Earth Sciences
Nov 14, 2019
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(Phys.org) —Initial results from experiments conducted in the Santa Monica Mountains by a botanist at the University of California, Riverside and her colleagues indicate that high levels of nitrogen may adversely impact ...
Environment
Jan 28, 2014
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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 that covers ...
Ecology
Jan 9, 2012
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A new study led by the University of Colorado Boulder indicates air pollution in the form of nitrogen compounds emanating from power plants, automobiles and agriculture is changing the alpine vegetation in Rocky Mountain ...
Environment
Jul 5, 2012
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Species found in nutrient-poor habitats, such as heather, lingonberry, crowberry and lichens in particular are sensitive to nitrogen deposition. Photo Hannu Nousiainen, Metla.
Environment
Dec 16, 2013
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Total production and the scale of industrial enterprises in China have expanded greatly since late 1970s. As such, long-term accumulated environmental risks have evolved and intensified, and China has entered a period of ...
Environment
Nov 13, 2019
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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 ...
Environment
Jan 13, 2009
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Due to the introduction of exotic pests and pathogens, tree species are being eliminated one by one from forest ecosystems. In some cases, scientists can observe immediately how their loss affects the environment, whereas ...
Environment
Dec 20, 2012
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