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Nitrogen Pollution in the Northeastern U.S. : Linking Uplan D Watersheds and Coastal Ecosystems

By National Oceanic and Atmospheric Administration

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Book Id: WPLBN0000679130
Format Type: PDF eBook
File Size: 15.71 KB.
Reproduction Date: 2005
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Title: Nitrogen Pollution in the Northeastern U.S. : Linking Uplan D Watersheds and Coastal Ecosystems  
Author: National Oceanic and Atmospheric Administration
Language: English
Subject: Science., Ecology & environment, National Oceanic and Atmospheric Administration (U.S.)
Collection: National Oceanographic Data Center
Publication Date:
Publisher: Government Reference Publication

Abstract: Elevated N inputs can result in a loss of biodiversity and a degradation of ecosystem health in both forest and coastal systems. The Hubbard Brook Research Foundation has organized a study through their Science Links (TradeMark) program, entitled ?Status and Effects of Nitrogen Pollution in the Northeastern United States?. The Science Links program seeks to synthesize existing ecological data in the context of societal policy and management needs in order to bridge the existing gap between science and policy. In this study we present a synthesis of inputs, effects and management options for nitrogen (N) in the northeastern U.S. For this analysis we utilized many data sets compiled from across the region. In general, the northeastern U.S. receives anthropogenically elevated inputs of N largely from net imports of food and atmospheric deposition. Other inputs of N such as net feed imports, N-fixation associated with legumous crops and fertilization are generally lower for the region. Elevated inputs of N from net food import is readily transported to surface waters via wastewater discharge, and exported from northeastern watersheds.


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