Long‐term nitrogen loading alleviates phosphorus limitation in terrestrial ecosystems
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Título: | Long‐term nitrogen loading alleviates phosphorus limitation in terrestrial ecosystems |
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Autor/es: | Chen, Ji | van Groenigen, Kees J. | Hungate, Bruce A. | Terrer, César | van Groenigen, Jan‐Willem | Maestre, Fernando T. | Ying, Samantha C. | Luo, Yiqi | Jørgensen, Uffe | Sinsabaugh, Robert L. | Olesen, Jørgen E. | Elsgaard, Lars |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Ecología | Universidad de Alicante. Instituto Multidisciplinar para el Estudio del Medio "Ramón Margalef" |
Palabras clave: | Microbial biomass | Nitrogen addition | Nutrient stoichiometry balance | Phosphorus limitation | Soil nitrogen content | Soil pH | Soil phosphatase activity | Soil phosphorus content |
Área/s de conocimiento: | Ecología |
Fecha de publicación: | sep-2020 |
Editor: | John Wiley & Sons |
Cita bibliográfica: | Global Change Biology. 2020, 26(9): 5077-5086. https://doi.org/10.1111/gcb.15218 |
Resumen: | Increased human‐derived nitrogen (N) deposition to terrestrial ecosystems has resulted in widespread phosphorus (P) limitation of net primary productivity. However, it remains unclear if and how N‐induced P limitation varies over time. Soil extracellular phosphatases catalyze the hydrolysis of P from soil organic matter, an important adaptive mechanism for ecosystems to cope with N‐induced P limitation. Here we show, using a meta‐analysis of 140 studies and 668 observations worldwide, that N stimulation of soil phosphatase activity diminishes over time. Whereas short‐term N loading (≤5 years) significantly increased soil phosphatase activity by 28%, long‐term N loading had no significant effect. Nitrogen loading did not affect soil available P and total P content in either short‐ or long‐term studies. Together, these results suggest that N‐induced P limitation in ecosystems is alleviated in the long‐term through the initial stimulation of soil phosphatase activity, thereby securing P supply to support plant growth. Our results suggest that increases in terrestrial carbon uptake due to ongoing anthropogenic N loading may be greater than previously thought. |
Patrocinador/es: | This study was funded by Aarhus University Centre for Circular Bioeconomy, Aarhus University Research Foundation AUFF Starting Grants (AUFF-E-2019-7-1), and Marie Skłodowska-Curie Individual Fellowship H2020-MSCA-IF-2018 (no. 839806). Ji Chen acknowledges funding support from the National Natural Science Foundation of China (41701292) and China Postdoctoral Science Foundation (2017M610647, 2018T111091) when constructing the databases. César Terrer was supported by a Lawrence Fellow award through Lawrence Livermore National Laboratory (LLNL). This work was performed under the auspices of the U.S. Department of Energy by LLNL under contract DEAC52-07NA27344 and was supported by the LLNL-LDRD Program under Project No. 20-ERD-055. Fernando T. Maestre was supported by the European Research Council (ERC Grant agreement 647038 [BIODESERT]) and Generalitat Valenciana (CIDEGENT/2018/041). |
URI: | http://hdl.handle.net/10045/108728 |
ISSN: | 1354-1013 (Print) | 1365-2486 (Online) |
DOI: | 10.1111/gcb.15218 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2020 John Wiley & Sons Ltd |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.1111/gcb.15218 |
Aparece en las colecciones: | Personal Investigador sin Adscripción a Grupo Investigaciones financiadas por la UE INV - DRYLAB - Artículos de Revistas |
Archivos en este ítem:
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Chen_etal_2020_GlobalChangeBiology_final.pdf | Versión final (acceso restringido) | 990,33 kB | Adobe PDF | Abrir Solicitar una copia |
Chen_etal_2020_GlobalChangeBiology_accepted.pdf | Accepted Manuscript (acceso abierto) | 11,18 MB | Adobe PDF | Abrir Vista previa |
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