ArticleScientific reports2016
Divergent Effects of Nitrogen Addition on Soil Respiration in a Semiarid Grassland.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
What it found
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Who cites it
9 citing papers in PubMed.
- The interactions and hierarchical effects of long-term agricultural stressors on soil bacterial communities.Environmental microbiology reports · 2022Article
- Impacts of corn stover management and fertilizer application on soil nutrient availability and enzymatic activity.Scientific reports · 2022Article
- Soil COFrontiers in microbiology · 2022Article
- Nitrogen fertilizer regulates soil respiration by altering the organic carbon storage in root and topsoil in alpine meadow of the north-eastern Qinghai-Tibet Plateau.Scientific reports · 2019Article
- Microbial regulation of soil carbon properties under nitrogen addition and plant inputs removal.PeerJ · 2019Article
- Responses of soil respiration to nitrogen addition in the Sanjiang Plain wetland, northeastern China.PloS one · 2019Article
- Article
- Differential responses of heterotrophic and autotrophic respiration to nitrogen addition and precipitation changes in a Tibetan alpine steppe.Scientific reports · 2018Article
- Contrasting effects of nitrogen addition on soil respiration in two Mediterranean ecosystems.Environmental science and pollution research international · 2017Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nitrogen (N) deposition has been steadily increasing for decades, with consequences for soil respiration. However, we have a limited understanding of how soil respiration responds to N availability. Here, we investigated the soil respiration responses to low and high levels of N addition (0.4 mol N m(-2) yr(-1) vs 1.6 mol N m(-2) yr(-1)) over a two-year period in a semiarid Leymus chinensis grassland in Inner Mongolia, China. Our results show that low-level N addition increased soil respiration, plant belowground biomass and soil microbial biomass carbon (MBC), while high-level N additions decreased them. Soil respiration was positively correlated with plant belowground biomass, MBC, soil temperature and soil moisture. Together plant belowground biomass and MBC explained 99.4% of variation in mean soil respiration, with plant belowground biomass explaining 63.4% of the variation and soil MBC explaining the remaining 36%. Finally, the temperature sensitivity of soil respiration was not influenced by N additions. Overall, our results suggest that low levels of N deposition may stimulate soil respiration, but large increases in N availability may decrease soil respiration, and that these responses are driven by the dissimilar responses of both plant belowground biomass and soil MBC.
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Registered trials
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