Biblio
Terrestrial Umbrella– Effects of Eutrophication and Acidification on Terrestrial Ecosystems.. Terrestrial Umbrella Final Report.
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2007. Sources, dispersion and fate of atmospheric ammonia. Nitrogen in the Environment - Sources, Problems, and Management. :333-393.
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2008. Critical Levels for Ammonia. Atmospheric Ammonia. :375-382.
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2009. A review and application of the evidence for nitrogen impacts on ecosystem services. Ecosystem Services. 7:76-88.
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2014.