Depth‐dependent responses of soil organic carbon under nitrogen deposition

Yuanliu Hu; Qi Deng; Thomas Kätterer; Jørgen Eivind Olesen; Samantha C. Ying; Raúl Ochoa‐Hueso; Carsten W. Mueller; Michael N. Weintraub; Ji Chen

doi:10.1111/gcb.17247

Depth‐dependent responses of soil organic carbon under nitrogen deposition

Yuanliu Hu, Qi Deng^* (Co-auteur), Thomas Kätterer, Jørgen Eivind Olesen, Samantha C. Ying, Raúl Ochoa‐Hueso, Carsten W. Mueller, Michael N. Weintraub, Ji Chen^* (Co-auteur)

^*Bijbehorende auteur voor dit werk

NIOO - Terrestrial Ecology (TE)

Onderzoeksoutput: Bijdrage aan wetenschappelijk tijdschrift/periodieke uitgave › Artikel › Wetenschappelijk › peer review

8 Citaten (Scopus)

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Emerging evidence points out that the responses of soil organic carbon (SOC) to nitrogen (N) addition differ along the soil profile, highlighting the importance of synthesizing results from different soil layers. Here, using a global meta-analysis, we found that N addition significantly enhanced topsoil (0–30 cm) SOC by 3.7% (±1.4%) in forests and grasslands. In contrast, SOC in the subsoil (30–100 cm) initially increased with N addition but decreased over time. The model selection analysis revealed that experimental duration and vegetation type are among the most important predictors across a wide range of climatic, environmental, and edaphic variables. The contrasting responses of SOC to N addition indicate the importance of considering deep soil layers, particularly for long-term continuous N deposition. Finally, the lack of depth-dependent SOC responses to N addition in experimental and modeling frameworks has likely resulted in the overestimation of changes in SOC storage under enhanced N deposition.

Originele taal-2	Engels
Artikelnummer	e17247
Tijdschrift	Global Change Biology
Volume	30
Nummer van het tijdschrift	3
DOI's	https://doi.org/10.1111/gcb.17247
Status	Gepubliceerd - 16 mrt. 2024

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10.1111/gcb.17247Licentie: CC BY

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title = "Depth‐dependent responses of soil organic carbon under nitrogen deposition",

abstract = "Emerging evidence points out that the responses of soil organic carbon (SOC) to nitrogen (N) addition differ along the soil profile, highlighting the importance of synthesizing results from different soil layers. Here, using a global meta-analysis, we found that N addition significantly enhanced topsoil (0–30 cm) SOC by 3.7% (±1.4%) in forests and grasslands. In contrast, SOC in the subsoil (30–100 cm) initially increased with N addition but decreased over time. The model selection analysis revealed that experimental duration and vegetation type are among the most important predictors across a wide range of climatic, environmental, and edaphic variables. The contrasting responses of SOC to N addition indicate the importance of considering deep soil layers, particularly for long-term continuous N deposition. Finally, the lack of depth-dependent SOC responses to N addition in experimental and modeling frameworks has likely resulted in the overestimation of changes in SOC storage under enhanced N deposition.",

author = "Yuanliu Hu and Qi Deng and Thomas K{\"a}tterer and Olesen, {J{\o}rgen Eivind} and Ying, {Samantha C.} and Ra{\'u}l Ochoa‐Hueso and Mueller, {Carsten W.} and Weintraub, {Michael N.} and Ji Chen",

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AU - Hu, Yuanliu

AU - Deng, Qi

AU - Kätterer, Thomas

AU - Olesen, Jørgen Eivind

AU - Ying, Samantha C.

AU - Ochoa‐Hueso, Raúl

AU - Mueller, Carsten W.

AU - Weintraub, Michael N.

AU - Chen, Ji

N1 - Data archiving: unknown

PY - 2024/3/16

Y1 - 2024/3/16

N2 - Emerging evidence points out that the responses of soil organic carbon (SOC) to nitrogen (N) addition differ along the soil profile, highlighting the importance of synthesizing results from different soil layers. Here, using a global meta-analysis, we found that N addition significantly enhanced topsoil (0–30 cm) SOC by 3.7% (±1.4%) in forests and grasslands. In contrast, SOC in the subsoil (30–100 cm) initially increased with N addition but decreased over time. The model selection analysis revealed that experimental duration and vegetation type are among the most important predictors across a wide range of climatic, environmental, and edaphic variables. The contrasting responses of SOC to N addition indicate the importance of considering deep soil layers, particularly for long-term continuous N deposition. Finally, the lack of depth-dependent SOC responses to N addition in experimental and modeling frameworks has likely resulted in the overestimation of changes in SOC storage under enhanced N deposition.

AB - Emerging evidence points out that the responses of soil organic carbon (SOC) to nitrogen (N) addition differ along the soil profile, highlighting the importance of synthesizing results from different soil layers. Here, using a global meta-analysis, we found that N addition significantly enhanced topsoil (0–30 cm) SOC by 3.7% (±1.4%) in forests and grasslands. In contrast, SOC in the subsoil (30–100 cm) initially increased with N addition but decreased over time. The model selection analysis revealed that experimental duration and vegetation type are among the most important predictors across a wide range of climatic, environmental, and edaphic variables. The contrasting responses of SOC to N addition indicate the importance of considering deep soil layers, particularly for long-term continuous N deposition. Finally, the lack of depth-dependent SOC responses to N addition in experimental and modeling frameworks has likely resulted in the overestimation of changes in SOC storage under enhanced N deposition.

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DO - 10.1111/gcb.17247

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VL - 30

JO - Global Change Biology

JF - Global Change Biology

IS - 3

M1 - e17247

ER -

Depth‐dependent responses of soil organic carbon under nitrogen deposition

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