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Regional assessment of N saturation using foliar and root δ15N

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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 Published

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.

Keywords

15N; fine roots; forests; N deposition; natural abundance

Citation

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. 2006. Regional assessment of N saturation using foliar and root δ15N. Biogeochemistry. 80: 143-171. https://doi.org/10.1007/s10533-006-9015-9.

Last updated on: December 20, 2007