Title:	Nitrogen Saturation in Temperate Forest Ecosystems
Author(s):	Aber, John; McDowell, William; Nadelhoffer, Knute; Magill, Alison; Berntson, Glenn; Kamakea, Mark; McNulty, Steven; Currie, William; Rustad, Lindsey; Fernandez, Ivan
Date:	1998
Source:	BioScience Vol. 48 No. 11, Nov. 1998 pgs. 921-934
Description:	Nitrogen emissions to the atmosphere due to human activity remain elevated in industrialized regions of the world and are accelerating in many developing regions (Galloway 1995). Although the deposition of sulfur has been reduced over much of the United States and Europe by aggressive environmental protection policies, current nitrogen deposition reduction targets in the US are modest. Nitrogen deposition remains relatively constant in the northeastern United States and is increasing in the Southeast and the West (Fenn et al. in press).
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