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Nitrogen, not phosphorus, enrichment controls biomass production in alpine wetlands on the Tibetan Plateau, China
Gao, Yongheng1; Cooper, David J.2,3; Zeng, Xiaoyang4
2018
Source PublicationECOLOGICAL ENGINEERING
ISSN0925-8574
EISSN1872-6992
Volume116Pages:31-34
SubtypeArticle
Contribution Rank1
AbstractLittle is known about the effect of nitrogen (N) enrichment on alpine wetland plant N and phosphorus (P) limitations and N:P stoichiometry. We assessed the effects of N and P additions on plant nutrient limitations and N:P ratio in an alpine wetland complex on the Tibetan Plateau, China using a 3-year long factorial experiment. N and P were applied twice per year at an annual rate of 10 g m(-2) yr(-1) and 5 g m(-2) yr(-1), respectively. N addition significantly increased aboveground biomass, plant leaf N, plant leaf N:P ratio and soil available N:P ratio, but had no effect on plant leaf P and soil available P. Although N addition increased the plant N:P ratio it was still < 14. P addition increased plant and soil available P, decreased plant and soil N: P ratio, but had no effect on plant biomass. N + P additions had no additive effect on plant biomass over N additions alone, plant N or P, or soil available N or P. These results indicate that N, rather than P, is likely the limiting nutrient for biomass production in alpine wetlands in this region of Tibet and nutrient limitation does not shift from N to P with increasing N deposition. Thus, N deposition could have a significant influence on vegetation growth and biomass production.
KeywordN deposition Nutrient limitation N:P ratio Soil N and P availability Alpine wetland
DOI10.1016/j.ecoleng.2018.02.016
Indexed BySCI
WOS KeywordNUTRIENT LIMITATION ; TEMPERATURE SENSITIVITY ; TERRESTRIAL ECOSYSTEMS ; FRESH-WATER ; DEPOSITION ; VEGETATION ; GRADIENT ; COMMUNITY ; ADDITIONS ; TUNDRA
Language英语
Quartile3区
Funding ProjectNational Key Research and Development Program of China[2016YFC0501802] ; National Natural Science Foundation of China[41271276] ; 1000 Talents Program of Sichuan Province of China ; Hundred Young Talents Program of the Institute of Mountain Hazards and Environment, Chinese Academy of Sciences[SDSQB-2016-02]
TOP
WOS Research AreaEnvironmental Sciences & Ecology ; Engineering
WOS SubjectEcology ; Engineering, Environmental ; Environmental Sciences
WOS IDWOS:000428958100005
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; 1000 Talents Program of Sichuan Province of China ; Hundred Young Talents Program of the Institute of Mountain Hazards and Environment, Chinese Academy of Sciences
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/21287
Collection山地灾害与地表过程重点实验室
山地表生过程与生态调控重点实验室
Corresponding AuthorGao, Yongheng
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
2.Colorado State Univ, Dept Forest & Rangeland Stewardship, Ft Collins, CO 80523 USA
3.Colorado State Univ, Grad Degree Program Ecol, Ft Collins, CO 80523 USA
4.Sichuan Coll Architectural Technol, Dept Landscape Architecture, Chengdu 610399, Sichuan, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Gao, Yongheng,Cooper, David J.,Zeng, Xiaoyang. Nitrogen, not phosphorus, enrichment controls biomass production in alpine wetlands on the Tibetan Plateau, China[J]. ECOLOGICAL ENGINEERING,2018,116:31-34.
APA Gao, Yongheng,Cooper, David J.,&Zeng, Xiaoyang.(2018).Nitrogen, not phosphorus, enrichment controls biomass production in alpine wetlands on the Tibetan Plateau, China.ECOLOGICAL ENGINEERING,116,31-34.
MLA Gao, Yongheng,et al."Nitrogen, not phosphorus, enrichment controls biomass production in alpine wetlands on the Tibetan Plateau, China".ECOLOGICAL ENGINEERING 116(2018):31-34.
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