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Ecological Effects of Nitrogen Deposition in the Western United States

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Fenn, Mark E, Baron, Jill S, Allen, Edith B, Rueth, Heather M, Nydick, Koren R, Geiser, Linda H, Bowman, William D, Sickman, James O, Meixner, Thomas, Johnson, Dale W, and Neitlich, Peter, Ecological Effects of Nitrogen Deposition in the Western United States: .

Summary

In the western United States vast acreages of land are exposed to low levels of atmospheric nitrogen (N) deposition, with interspersed hotspots of elevated N deposition downwind of large, expanding metropolitan centers or large agricultural operations. Biological response studies in western North America demonstrate that some aquatic and terrestrial plant and microbial communities are significantly altered by N deposition. Greater plant productivity is counterbalanced by biotic community changes and deleterious effects on sensitive organisms (lichens and phytoplankton) that respond to low inputs of N (3 to 8 kilograms N per hectare per year). Streamwater nitrate concentrations are elevated in high-elevation catchments in Colorado and [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS Export <br> On - Wed Sep 19 08:08:31 MDT 2012

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Title Citation Ecological Effects of Nitrogen Deposition in the Western United States

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