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Effects of water depth on carbon, nitrogen and phosphorus stoichiometry of five submersed macrophytes in an in situ experiment
Li, Wei1,2; Cao, Te1; Ni, Leyi1; Zhang, Xiaolin1; Zhu, Guorong3; Xie, Ping1
2013-12-01
Source PublicationECOLOGICAL ENGINEERING
ISSN0925-8574
Volume61Issue:12Pages:358-365
AbstractThe distribution of submersed macrophytes is wide across environmental gradient, e.g. depth profile. Submersed macrophytes develop great phenotypic plasticity in response to increasing water depth. However, the effects of water depth on carbon (C), nitrogen (N) and phosphorus (P) stoichiometry of submersed macrophytes are not very clear. In this study, five submersed macrophyte species (Potamogeton malaianus, Potamogeton maackianus, Myriophyllum spicatum, Ceratophyllum demersum and Hydrilla verticillata) were cultured at three water depths (1 m, 2.5 m and 4 m). The C, N and P concentrations and C:N:P stoichiometry were examined in leaves, stems and roots (underground parts) of the plants. We found that the increased water depth significantly inhibited growth of all the plants, but relatively less affect the C, N and P concentrations and C:N:P stoichiometry of the plants. The organs and the species together explained more than 65% of the total variance in the C, N and P concentrations and C:N:P stoichiometry, but water depth contributed to less than 2% of the variance. Significant effects of water depth were only observed for the leaf N and P concentrations of C. demersum and the leaf P concentrations of P. maackianus and P. malaianus. Strong stoichiometric homeostasis was found in submersed macrophytes. Our results imply that the C:N:P stoichiometry of submersed macrophytes is affected not by water levels directly but the species identity instead. (C) 2013 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordWater Level Nitrogen Phosphorus Stoichiometry Submersed Macrophyte
DOI10.1016/j.ecoleng.2013.09.028
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Engineering
WOS SubjectEcology ; Engineering, Environmental ; Environmental Sciences
WOS IDWOS:000328487200043
WOS KeywordPLANT COMMUNITY STRUCTURE ; N-P STOICHIOMETRY ; FRESH-WATER ; BIOLOGICAL STOICHIOMETRY ; NUTRIENT AVAILABILITY ; AQUATIC MACROPHYTES ; WETLAND PLANTS ; LIGHT ; TERRESTRIAL ; ECOSYSTEMS
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Cited Times:42[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/19365
Collection淡水生态学研究中心_期刊论文
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Henan Normal Univ, Coll Fisheries, Xinxiang 453007, Peoples R China
Recommended Citation
GB/T 7714
Li, Wei,Cao, Te,Ni, Leyi,et al. Effects of water depth on carbon, nitrogen and phosphorus stoichiometry of five submersed macrophytes in an in situ experiment[J]. ECOLOGICAL ENGINEERING,2013,61(12):358-365.
APA Li, Wei,Cao, Te,Ni, Leyi,Zhang, Xiaolin,Zhu, Guorong,&Xie, Ping.(2013).Effects of water depth on carbon, nitrogen and phosphorus stoichiometry of five submersed macrophytes in an in situ experiment.ECOLOGICAL ENGINEERING,61(12),358-365.
MLA Li, Wei,et al."Effects of water depth on carbon, nitrogen and phosphorus stoichiometry of five submersed macrophytes in an in situ experiment".ECOLOGICAL ENGINEERING 61.12(2013):358-365.
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