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Terrestrial Umbrella– Effects of Eutrophication and Acidification on Terrestrial Ecosystems.. Terrestrial Umbrella Final Report.. 2007.
Terrestrial Umbrella - Effects of eutrophication and acidification on terrestrial ecosystems. Annual Report 2009.. 2009.
Impacts of atmospheric nitrogen deposition: responses of multiple plant and soil parameters across contrasting ecosystems in long-term field experiments. Global Change Biology. 18(4):1197-1215.. 2012.