The impact of nitrogen deposition on nitrogen metabolism in ryegrass lawn with different soil nutrient levels
Abstract Nitrogen deposition is a crucial factor in global change, which is widespread across various regions globally. It has drawn extensive attention due to its direct modification of soil nitrogen retention and nitrogen species distribution, thereby influencing nitrogen metabolism across entire...
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Nature Portfolio
2025-05-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-025-00578-2 |
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| author | Xiu-Lin Song Zi-Jie Wang Xian-Wei Yin Yan-Lin Sun Dong-Jin Jang Soon-Kwan Hong |
| author_facet | Xiu-Lin Song Zi-Jie Wang Xian-Wei Yin Yan-Lin Sun Dong-Jin Jang Soon-Kwan Hong |
| author_sort | Xiu-Lin Song |
| collection | DOAJ |
| description | Abstract Nitrogen deposition is a crucial factor in global change, which is widespread across various regions globally. It has drawn extensive attention due to its direct modification of soil nitrogen retention and nitrogen species distribution, thereby influencing nitrogen metabolism across entire ecosystems. Previous studies on its influence on nitrogen metabolism have not reached a consensus. In an urban ryegrass lawn mesocosm experiment, we set two levels of nitrogen deposition and soil nutrients respectively, aiming to study the impacts of these factors on the N-cycling process through metagenomic analysis. The results demonstrated nitrogen deposition increased nitrification, nitrogen fixation, denitrification, and dissimilatory nitrate reduction, but decreased assimilatory nitrate reduction in the nitrogen metabolism process by changing soil nitrogen availability and the abundance of N-cycling functional genes in the soil microbial community. The soil nutrient levels exhibited effects opposite to those of nitrogen deposition, negatively impacting nitrification, denitrification, and nitrogen fixation in the nitrogen metabolism process. This work further elucidates the impacts of nitrogen deposition on the ecological functions of the ryegrass lawn with different soil nutrient levels, and predicts the potential impacts of intensified nitrogen deposition on these ecological functions. It provides valuable theoretical support for understanding and evaluating complex ecological interactions. |
| format | Article |
| id | doaj-art-bba79479fdcb44999d0ef28734edfb26 |
| institution | OA Journals |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-bba79479fdcb44999d0ef28734edfb262025-08-20T01:51:31ZengNature PortfolioScientific Reports2045-23222025-05-0115111610.1038/s41598-025-00578-2The impact of nitrogen deposition on nitrogen metabolism in ryegrass lawn with different soil nutrient levelsXiu-Lin Song0Zi-Jie Wang1Xian-Wei Yin2Yan-Lin Sun3Dong-Jin Jang4Soon-Kwan Hong5School of Life Sciences, Ludong UniversitySchool of Life Sciences, Ludong UniversitySchool of Life Sciences, Ludong UniversitySchool of Life Sciences, Ludong UniversitySchool of Life Sciences, Ludong UniversitySchool of Life Sciences, Ludong UniversityAbstract Nitrogen deposition is a crucial factor in global change, which is widespread across various regions globally. It has drawn extensive attention due to its direct modification of soil nitrogen retention and nitrogen species distribution, thereby influencing nitrogen metabolism across entire ecosystems. Previous studies on its influence on nitrogen metabolism have not reached a consensus. In an urban ryegrass lawn mesocosm experiment, we set two levels of nitrogen deposition and soil nutrients respectively, aiming to study the impacts of these factors on the N-cycling process through metagenomic analysis. The results demonstrated nitrogen deposition increased nitrification, nitrogen fixation, denitrification, and dissimilatory nitrate reduction, but decreased assimilatory nitrate reduction in the nitrogen metabolism process by changing soil nitrogen availability and the abundance of N-cycling functional genes in the soil microbial community. The soil nutrient levels exhibited effects opposite to those of nitrogen deposition, negatively impacting nitrification, denitrification, and nitrogen fixation in the nitrogen metabolism process. This work further elucidates the impacts of nitrogen deposition on the ecological functions of the ryegrass lawn with different soil nutrient levels, and predicts the potential impacts of intensified nitrogen deposition on these ecological functions. It provides valuable theoretical support for understanding and evaluating complex ecological interactions.https://doi.org/10.1038/s41598-025-00578-2Nitrogen depositionNitrogen metabolismSoil nutrient levelN-cycling functional genes |
| spellingShingle | Xiu-Lin Song Zi-Jie Wang Xian-Wei Yin Yan-Lin Sun Dong-Jin Jang Soon-Kwan Hong The impact of nitrogen deposition on nitrogen metabolism in ryegrass lawn with different soil nutrient levels Scientific Reports Nitrogen deposition Nitrogen metabolism Soil nutrient level N-cycling functional genes |
| title | The impact of nitrogen deposition on nitrogen metabolism in ryegrass lawn with different soil nutrient levels |
| title_full | The impact of nitrogen deposition on nitrogen metabolism in ryegrass lawn with different soil nutrient levels |
| title_fullStr | The impact of nitrogen deposition on nitrogen metabolism in ryegrass lawn with different soil nutrient levels |
| title_full_unstemmed | The impact of nitrogen deposition on nitrogen metabolism in ryegrass lawn with different soil nutrient levels |
| title_short | The impact of nitrogen deposition on nitrogen metabolism in ryegrass lawn with different soil nutrient levels |
| title_sort | impact of nitrogen deposition on nitrogen metabolism in ryegrass lawn with different soil nutrient levels |
| topic | Nitrogen deposition Nitrogen metabolism Soil nutrient level N-cycling functional genes |
| url | https://doi.org/10.1038/s41598-025-00578-2 |
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