Cargando…
Variations in foliar carbon:nitrogen and nitrogen:phosphorus ratios under global change: a meta-analysis of experimental field studies
Foliar-level stoichiometry plays an important role in ecosystem elemental cycling. Shifts in foliar ratios of carbon to nitrogen (C:N) and nitrogen to phosphorus (N:P) in response to global change can therefore have a large impact upon ecosystem function. We conducted a meta-analysis with 2,236 pair...
Autores principales: | , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2020
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7376191/ https://www.ncbi.nlm.nih.gov/pubmed/32699217 http://dx.doi.org/10.1038/s41598-020-68487-0 |
_version_ | 1783561994336468992 |
---|---|
author | Xu, Shan Sardans, Jordi Zhang, Jinlong Peñuelas, Josep |
author_facet | Xu, Shan Sardans, Jordi Zhang, Jinlong Peñuelas, Josep |
author_sort | Xu, Shan |
collection | PubMed |
description | Foliar-level stoichiometry plays an important role in ecosystem elemental cycling. Shifts in foliar ratios of carbon to nitrogen (C:N) and nitrogen to phosphorus (N:P) in response to global change can therefore have a large impact upon ecosystem function. We conducted a meta-analysis with 2,236 paired observations from 123 published studies to investigate the responses of foliar C:N and N:P ratios to experimental global change treatments, i.e. warming, increased precipitation, drought, N addition and elevated carbon dioxide concentration (eCO(2)), in field conditions. Foliar C:N and N:P ratios were neither affected by warming nor by increased precipitation. Foliar C:N ratio increased with drought and eCO(2), and decreased with N addition. Foliar N:P ratios declined with eCO(2), and increased under drought and N addition. Our results suggested the responses of the C:N ratio to global change were mainly related to shifts in foliar [N], whereas changes in the N:P ratio were related to the responses of both [N] and [P]. Moreover, the response magnitude of foliar N:P ratio decreased with treatment duration under increased precipitation, N addition and eCO(2). Our findings are important for our understanding of plant nutrient dynamic and modeling of nutrient biogeochemistry under global change. |
format | Online Article Text |
id | pubmed-7376191 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-73761912020-07-24 Variations in foliar carbon:nitrogen and nitrogen:phosphorus ratios under global change: a meta-analysis of experimental field studies Xu, Shan Sardans, Jordi Zhang, Jinlong Peñuelas, Josep Sci Rep Article Foliar-level stoichiometry plays an important role in ecosystem elemental cycling. Shifts in foliar ratios of carbon to nitrogen (C:N) and nitrogen to phosphorus (N:P) in response to global change can therefore have a large impact upon ecosystem function. We conducted a meta-analysis with 2,236 paired observations from 123 published studies to investigate the responses of foliar C:N and N:P ratios to experimental global change treatments, i.e. warming, increased precipitation, drought, N addition and elevated carbon dioxide concentration (eCO(2)), in field conditions. Foliar C:N and N:P ratios were neither affected by warming nor by increased precipitation. Foliar C:N ratio increased with drought and eCO(2), and decreased with N addition. Foliar N:P ratios declined with eCO(2), and increased under drought and N addition. Our results suggested the responses of the C:N ratio to global change were mainly related to shifts in foliar [N], whereas changes in the N:P ratio were related to the responses of both [N] and [P]. Moreover, the response magnitude of foliar N:P ratio decreased with treatment duration under increased precipitation, N addition and eCO(2). Our findings are important for our understanding of plant nutrient dynamic and modeling of nutrient biogeochemistry under global change. Nature Publishing Group UK 2020-07-22 /pmc/articles/PMC7376191/ /pubmed/32699217 http://dx.doi.org/10.1038/s41598-020-68487-0 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Xu, Shan Sardans, Jordi Zhang, Jinlong Peñuelas, Josep Variations in foliar carbon:nitrogen and nitrogen:phosphorus ratios under global change: a meta-analysis of experimental field studies |
title | Variations in foliar carbon:nitrogen and nitrogen:phosphorus ratios under global change: a meta-analysis of experimental field studies |
title_full | Variations in foliar carbon:nitrogen and nitrogen:phosphorus ratios under global change: a meta-analysis of experimental field studies |
title_fullStr | Variations in foliar carbon:nitrogen and nitrogen:phosphorus ratios under global change: a meta-analysis of experimental field studies |
title_full_unstemmed | Variations in foliar carbon:nitrogen and nitrogen:phosphorus ratios under global change: a meta-analysis of experimental field studies |
title_short | Variations in foliar carbon:nitrogen and nitrogen:phosphorus ratios under global change: a meta-analysis of experimental field studies |
title_sort | variations in foliar carbon:nitrogen and nitrogen:phosphorus ratios under global change: a meta-analysis of experimental field studies |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7376191/ https://www.ncbi.nlm.nih.gov/pubmed/32699217 http://dx.doi.org/10.1038/s41598-020-68487-0 |
work_keys_str_mv | AT xushan variationsinfoliarcarbonnitrogenandnitrogenphosphorusratiosunderglobalchangeametaanalysisofexperimentalfieldstudies AT sardansjordi variationsinfoliarcarbonnitrogenandnitrogenphosphorusratiosunderglobalchangeametaanalysisofexperimentalfieldstudies AT zhangjinlong variationsinfoliarcarbonnitrogenandnitrogenphosphorusratiosunderglobalchangeametaanalysisofexperimentalfieldstudies AT penuelasjosep variationsinfoliarcarbonnitrogenandnitrogenphosphorusratiosunderglobalchangeametaanalysisofexperimentalfieldstudies |