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Research Article
Qiang Yu
Chinese Academy of Agricultural Sciences Institute of Agricultural Resources and Regional Planning
Corresponding Author
ORCiD: https://orcid.org/0000-0002-5480-0623
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Aims Increasing nitrogen (N) deposition altered plant communities globally, however the changes in species abundances with short-term vs. long-term N enrichment remains unclear. Stoichiometric homeostasis (H) is a key trait predictive of plant species dominance and species responses to short-term global changes. It is unknown whether N enrichment can alter H over time, thereby affecting species responses to long-term N addition.
Methods Here we address these two knowledge gaps with three representative species in a long-term N addition experiment and a sand culture experiment.
Results The abundance of Leymus chinensis decreased with short-term N addition, and increased with long-term N addition, while Chenopodium glaucum showed opposite pattern. Cleistogenes squarrosa was only favored by 1-year N addition, and depressed by two and more years of N addition. The H values of L. chinensis and C. glaucum decreased significantly with long-term N addition however did not change for C. squarrosa.
Conclusion The decrease of H suggested the nutrients use strategy became more progressive, which mediated the responses of species abundances to short- and long-term N addition. We anticipate our research to be a starting point for explaining ecosystems function and process in response to global change from the perspective of species adaptability mediated by H.
Keywords
ecological stoichiometry, global change, ecosystem structure, plant functional traits, species dominance
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View the published article at Plant and Soil.
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A new preprint design is coming!
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See the published version of this preprint at Plant and Soil.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
Qiang Yu
Chinese Academy of Agricultural Sciences Institute of Agricultural Resources and Regional Planning
Corresponding Author
ORCiD: https://orcid.org/0000-0002-5480-0623
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at Plant and Soil.
Version 1
Posted 24 Feb, 2021
No community comments so far
Reviews received
Received 22 Feb, 2021
Reviewers invited
Invitations sent on 20 Feb, 2021
Editor invited
On 20 Feb, 2021
Editor assigned
On 20 Feb, 2021
First submitted
On 17 Feb, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at Plant and Soil.
Aims Increasing nitrogen (N) deposition altered plant communities globally, however the changes in species abundances with short-term vs. long-term N enrichment remains unclear. Stoichiometric homeostasis (H) is a key trait predictive of plant species dominance and species responses to short-term global changes. It is unknown whether N enrichment can alter H over time, thereby affecting species responses to long-term N addition.
Methods Here we address these two knowledge gaps with three representative species in a long-term N addition experiment and a sand culture experiment.
Results The abundance of Leymus chinensis decreased with short-term N addition, and increased with long-term N addition, while Chenopodium glaucum showed opposite pattern. Cleistogenes squarrosa was only favored by 1-year N addition, and depressed by two and more years of N addition. The H values of L. chinensis and C. glaucum decreased significantly with long-term N addition however did not change for C. squarrosa.
Conclusion The decrease of H suggested the nutrients use strategy became more progressive, which mediated the responses of species abundances to short- and long-term N addition. We anticipate our research to be a starting point for explaining ecosystems function and process in response to global change from the perspective of species adaptability mediated by H.
Figure 1
Figure 2
Figure 3
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