Terrestrial N 2 O emissions and related functional genes under climate change: A global meta‐analysis
Abstract Nitrous oxide (N 2 O) emissions from soil contribute to global warming and are in turn substantially affected by climate change. However, climate change impacts on N 2 O production across terrestrial ecosystems remain poorly understood. Here, we synthesized 46 published studies of N 2 O flu...
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crwiley:10.1111/gcb.14847 2024-10-13T14:11:11+00:00 Terrestrial N 2 O emissions and related functional genes under climate change: A global meta‐analysis Li, Linfeng Zheng, Zhenzhen Wang, Weijin Biederman, Joel A. Xu, Xingliang Ran, Qinwei Qian, Ruyan Xu, Cong Zhang, Biao Wang, Fang Zhou, Shutong Cui, Lizhen Che, Rongxiao Hao, Yanbin Cui, Xiaoyong Xu, Zhihong Wang, Yanfen 2019 http://dx.doi.org/10.1111/gcb.14847 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fgcb.14847 https://onlinelibrary.wiley.com/doi/pdf/10.1111/gcb.14847 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/gcb.14847 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Global Change Biology volume 26, issue 2, page 931-943 ISSN 1354-1013 1365-2486 journal-article 2019 crwiley https://doi.org/10.1111/gcb.14847 2024-09-23T04:36:48Z Abstract Nitrous oxide (N 2 O) emissions from soil contribute to global warming and are in turn substantially affected by climate change. However, climate change impacts on N 2 O production across terrestrial ecosystems remain poorly understood. Here, we synthesized 46 published studies of N 2 O fluxes and relevant soil functional genes (SFGs, that is, archaeal amoA , bacterial amoA , nosZ , narG , nirK and nirS ) to assess their responses to increased temperature, increased or decreased precipitation amounts, and prolonged drought (no change in total precipitation but increase in precipitation intervals) in terrestrial ecosystem (i.e. grasslands, forests, shrublands, tundra and croplands). Across the data set, temperature increased N 2 O emissions by 33%. However, the effects were highly variable across biomes, with strongest temperature responses in shrublands, variable responses in forests and negative responses in tundra. The warming methods employed also influenced the effects of temperature on N 2 O emissions (most effectively induced by open‐top chambers). Whole‐day or whole‐year warming treatment significantly enhanced N 2 O emissions, but daytime, nighttime or short‐season warming did not have significant effects. Regardless of biome, treatment method and season, increased precipitation promoted N 2 O emission by an average of 55%, while decreased precipitation suppressed N 2 O emission by 31%, predominantly driven by changes in soil moisture. The effect size of precipitation changes on nirS and nosZ showed a U‐shape relationship with soil moisture; further insight into biotic mechanisms underlying N 2 O emission response to climate change remain limited by data availability, underlying a need for studies that report SFG. Our findings indicate that climate change substantially affects N 2 O emission and highlights the urgent need to incorporate this strong feedback into most climate models for convincing projection of future climate change. Article in Journal/Newspaper Tundra Wiley Online Library Global Change Biology 26 2 931 943 |
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Wiley Online Library |
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English |
description |
Abstract Nitrous oxide (N 2 O) emissions from soil contribute to global warming and are in turn substantially affected by climate change. However, climate change impacts on N 2 O production across terrestrial ecosystems remain poorly understood. Here, we synthesized 46 published studies of N 2 O fluxes and relevant soil functional genes (SFGs, that is, archaeal amoA , bacterial amoA , nosZ , narG , nirK and nirS ) to assess their responses to increased temperature, increased or decreased precipitation amounts, and prolonged drought (no change in total precipitation but increase in precipitation intervals) in terrestrial ecosystem (i.e. grasslands, forests, shrublands, tundra and croplands). Across the data set, temperature increased N 2 O emissions by 33%. However, the effects were highly variable across biomes, with strongest temperature responses in shrublands, variable responses in forests and negative responses in tundra. The warming methods employed also influenced the effects of temperature on N 2 O emissions (most effectively induced by open‐top chambers). Whole‐day or whole‐year warming treatment significantly enhanced N 2 O emissions, but daytime, nighttime or short‐season warming did not have significant effects. Regardless of biome, treatment method and season, increased precipitation promoted N 2 O emission by an average of 55%, while decreased precipitation suppressed N 2 O emission by 31%, predominantly driven by changes in soil moisture. The effect size of precipitation changes on nirS and nosZ showed a U‐shape relationship with soil moisture; further insight into biotic mechanisms underlying N 2 O emission response to climate change remain limited by data availability, underlying a need for studies that report SFG. Our findings indicate that climate change substantially affects N 2 O emission and highlights the urgent need to incorporate this strong feedback into most climate models for convincing projection of future climate change. |
format |
Article in Journal/Newspaper |
author |
Li, Linfeng Zheng, Zhenzhen Wang, Weijin Biederman, Joel A. Xu, Xingliang Ran, Qinwei Qian, Ruyan Xu, Cong Zhang, Biao Wang, Fang Zhou, Shutong Cui, Lizhen Che, Rongxiao Hao, Yanbin Cui, Xiaoyong Xu, Zhihong Wang, Yanfen |
spellingShingle |
Li, Linfeng Zheng, Zhenzhen Wang, Weijin Biederman, Joel A. Xu, Xingliang Ran, Qinwei Qian, Ruyan Xu, Cong Zhang, Biao Wang, Fang Zhou, Shutong Cui, Lizhen Che, Rongxiao Hao, Yanbin Cui, Xiaoyong Xu, Zhihong Wang, Yanfen Terrestrial N 2 O emissions and related functional genes under climate change: A global meta‐analysis |
author_facet |
Li, Linfeng Zheng, Zhenzhen Wang, Weijin Biederman, Joel A. Xu, Xingliang Ran, Qinwei Qian, Ruyan Xu, Cong Zhang, Biao Wang, Fang Zhou, Shutong Cui, Lizhen Che, Rongxiao Hao, Yanbin Cui, Xiaoyong Xu, Zhihong Wang, Yanfen |
author_sort |
Li, Linfeng |
title |
Terrestrial N 2 O emissions and related functional genes under climate change: A global meta‐analysis |
title_short |
Terrestrial N 2 O emissions and related functional genes under climate change: A global meta‐analysis |
title_full |
Terrestrial N 2 O emissions and related functional genes under climate change: A global meta‐analysis |
title_fullStr |
Terrestrial N 2 O emissions and related functional genes under climate change: A global meta‐analysis |
title_full_unstemmed |
Terrestrial N 2 O emissions and related functional genes under climate change: A global meta‐analysis |
title_sort |
terrestrial n 2 o emissions and related functional genes under climate change: a global meta‐analysis |
publisher |
Wiley |
publishDate |
2019 |
url |
http://dx.doi.org/10.1111/gcb.14847 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fgcb.14847 https://onlinelibrary.wiley.com/doi/pdf/10.1111/gcb.14847 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/gcb.14847 |
genre |
Tundra |
genre_facet |
Tundra |
op_source |
Global Change Biology volume 26, issue 2, page 931-943 ISSN 1354-1013 1365-2486 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/gcb.14847 |
container_title |
Global Change Biology |
container_volume |
26 |
container_issue |
2 |
container_start_page |
931 |
op_container_end_page |
943 |
_version_ |
1812818828144410624 |