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Too Much of a Good Thing: Human Activities Overload Ecosystems with Nitrogen

By Guest PostOctober 7, 2010Environmentindustrial activities, nitrogen, nitrogen fixation, nitrogen release, overloading ecosystem, pre biotic times

Resulting ecological damage is serious, but could be reduced by wider use of more sustainable, time-honored practices

Humans are overloading ecosystems with nitrogen through the burning of fossil fuels and an increase in nitrogen-producing industrial and agricultural activities, according to a new study. While nitrogen is an element that is essential to life, it is an environmental scourge at high levels. (more…)

UM Advanced Bio-Filtration System Promises Less Chesapeake Pollution

By Guest PostAugust 9, 2010Environmentallen p davis, anacostia watershed, bio-filtration system, bioretention, bioretention projects, chesapeake bay, comcast center, denitrification, nitrogen, nitrogen removal, office of sustainability, phosphorous, rain gardens, runoff, scott lupin, stormwater, university of maryland, urban pollutants, urban runoff pollution

COLLEGE PARK – Technological advances developed by University of Maryland researchers promise significant reductions in urban runoff polluting the Anacostia watershed and the Chesapeake Bay. The researchers say their work represents the next generation of “low impact development” technologies.

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Reseachers Predict Larger-than-average Gulf ‘Dead Zone’; Impact of Oil Spill Unclear

By Guest PostJuly 2, 2010Environment, Scienceaquatic, Atchafalaya, bacteria, center for sponsored coastal ocean, dead zone, deepwater horizon, donald scavia, ecologist, geological survey, graham sustainability institute, gulf hypoxic zone, gulf of mexico, hypoxia, hypoxia zone, hypoxia-fueling algae, lake Ontario, louisiana state university, louisiana universities marine consortium, matt Larsen, Mississippi, national oceanic and atmospheric administration, nitrogen, noaa, organic matter, oxygen-starved, river, school of natural resources and environment, university of michigan, US, usgs

ANN ARBOR, Mich.—University of Michigan aquatic ecologist Donald Scavia and his colleagues say this year’s Gulf of Mexico “dead zone” is expected to be larger than average, continuing a decades-long trend that threatens the health of a $659 million fishery.

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Tag Archives: nitrogen

Too Much of a Good Thing: Human Activities Overload Ecosystems with Nitrogen

UM Advanced Bio-Filtration System Promises Less Chesapeake Pollution

Reseachers Predict Larger-than-average Gulf ‘Dead Zone’; Impact of Oil Spill Unclear