Nitrogen fluxes and retention in urban watershed ecosystems
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Ecosystems. 7: 394-403.
Although the watershed approach has long been used to study whole-ecosystem function, it has seldom been applied to study human-dominated systems, especially those dominated by urban and suburban land uses. Here we present 3 years of data on nitrogen (N) losses from one completely forested, one agricultural, and six urban/suburban watersheds, and input--output N budgets for suburban, forested, and agricultural watersheds. The work is a product of the Baltimore Ecosystem Study, a longterm study of urban and suburban ecosystems, and a component of the US National Science Foundation's long-term ecological research (LTER) network.
Keywordsnitrogen; nitrate; watershed; urban; mass balance; long-term ecological research
Groffman, Peter M.; Law, Neely L.; Belt, Kenneth T.; Band, Lawrence E.; Fisher, Gary T. 2004. Nitrogen fluxes and retention in urban watershed ecosystems. Ecosystems. 7: 394-403.