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Title: Regional assessment of N saturation using foliar and root δ15N

Author: Pardo, L.H.; Templer, P.H.; Goodale, C.L.; Duke, S.; Groffman, P.M.; Adams, M.B.; Boeckx, P.; Boggs, J.; Campbell, J.; Colman, B.; Compton, J.; Emmett, B.; Gundersen, P.; Kjonaas, J.; Lovett, G.; Mack, M.; Magill, A.; Mbila, M.; Mitchell, M.J.; McGee, G.; McNulty, S.; Nadelhoffer, K.; Ollinger, S.; Ross, D.; Rueth, H.; Rustad, L.; Schaberg, P.; Schiff, S.; Schleppi, P.; Spoelstra, J.; Wessel, W.

Year: 2006

Publication: Biogeochemistry. 80: 143-171.

Abstract: N saturation induced by atmospheric N deposition can have serious consequences for forest health in many regions. In order to evaluate whether foliar δ15N may be a robust, regional-scale measure of the onset of N saturation in forest ecosystems, we assembled a large dataset on atmospheric N deposition, foliar and root δ15N and N concentration, soil C:N, mineralization and nitrification. The dataset included sites in northeastern North America, Colorado, Alaska, southern Chile and Europe.

Last Modified: 12/20/2007


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