Nitrogen fluxes from the landscape are controlled by net anthropogenic nitrogen inputs and by climate

• Published in: Frontiers in ecology and the environment Vol. 10; no. 1; pp. 37 - 43
• Main Authors: Howarth, Robert, Dennis Swaney, Gilles Billen, Josette Garnier, Bongghi Hong, Christoph Humborg, Penny Johnes, Carl-Magnus Mörth, Roxanne Marino
• Format: Journal Article
• Language: English
• Published: Ecological Society of America 01.02.2012
• Subjects: atmospheric deposition; climate; coasts; fertilizers; freshwater; landscapes; marine ecosystems; nitrogen; rivers; watersheds; United States; Europe

The flux of nitrogen (N) to coastal marine ecosystems is strongly correlated with the “net anthropogenic nitrogen inputs” (NANI) to the landscape across 154 watersheds, ranging in size from 16 km² to 279 000 km², in the US and Europe. When NANI values are greater than 1070 kg N km⁻² yr⁻¹...