Articles | Volume 11, issue 22
https://doi.org/10.5194/bg-11-6237-2014
https://doi.org/10.5194/bg-11-6237-2014
Research article
 | 
17 Nov 2014
Research article |  | 17 Nov 2014

Effects of seabird nitrogen input on biomass and carbon accumulation after 50 years of primary succession on a young volcanic island, Surtsey

N. I. W. Leblans, B. D. Sigurdsson, P. Roefs, R. Thuys, B. Magnússon, and I. A. Janssens

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Svenja Lange on behalf of the Authors (26 Aug 2014)  Author's response    Manuscript
ED: Reconsider after major revisions (03 Sep 2014) by Jens-Arne Subke
AR by Niki Leblans on behalf of the Authors (02 Oct 2014)  Author's response    Manuscript
ED: Publish subject to technical corrections (07 Oct 2014) by Jens-Arne Subke
AR by Niki Leblans on behalf of the Authors (09 Oct 2014)  Author's response    Manuscript
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Short summary
We studied the influence of allochthonous N inputs on primary succession and soil development of a 50-year-old volcanic island, Surtsey. Seabirds increased the ecosystem N accumulation rate inside their colony to ~47 kg ha-1 y-1, compared to 0.7 kg ha-1 y-1 outside it. A strong relationship was found between total ecosystem N stock and both total above- and belowground biomass and SOC stock, which shows how fast external N input can boost primary succession and soil formation.
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