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Effect of substrate grain size on the growth and morphology of the submersed macrophyte Vallisneria natans L.
Li, Z. Q.1; Kong, L. Y.1; Yang, L. F.1; Zhang, M.3; Cao, T.3; Xu, J.3; Wang, Z. X.1; Lei, Y.2; Wang, ZX (reprint author), Hubei Univ, Coll Resources & Environm, Wuhan 430062, Peoples R China
2012-02-01
Source PublicationLIMNOLOGICA
ISSN0075-9511
Volume42Issue:1Pages:81-85
AbstractExperiments were conducted to investigate the growth and morphology of the submersed macrophyte Vallisneria natans in relation to seven substrate types. The study also aims to evaluate the influence of the grain size of the aquatic substrate on the submersed macrophyte. The results show that growth, morphology and biomass accumulation of V. natans were significantly affected by the physical properties of the growth substrate. Compared with V. natans grown in pebble and gravel substrates, V. natans grown in silt and clay substrates had greater height, more ramets and leaves, as well as greater biomass accumulation. No significant differences in biomass allocation patterns were found among the different experimental treatments. The total porosity and dry bulk density of the growth substrate strongly influence plant traits. Substantial positive correlations were observed between total porosity and height and total biomass. Also, negative correlations were observed between dry bulk density and height, number of ramets, total biomass and lacunal volume. These results indicate that at high concentrations of water-column nutrients, V. natans responds to different physical properties of the growth substrate by changing growth and biomass accumulation strategies, rather than by changing biomass allocation patterns. Compared with V. natans grown in substrates with larger grain sizes, V. natans appeared well-adapted to substrates with smaller grain sizes. Thus, the physical properties of the growth substrate could be important in determining submersed macrophyte colonization and distribution in shallow eutrophic lakes. This information may be useful in managing shallow eutrophic lakes wherein rooted submersed macrophytes are declining. (C) 2011 Elsevier GmbH. All rights reserved.; Experiments were conducted to investigate the growth and morphology of the submersed macrophyte Vallisneria natans in relation to seven substrate types. The study also aims to evaluate the influence of the grain size of the aquatic substrate on the submersed macrophyte. The results show that growth, morphology and biomass accumulation of V. natans were significantly affected by the physical properties of the growth substrate. Compared with V. natans grown in pebble and gravel substrates, V. natans grown in silt and clay substrates had greater height, more ramets and leaves, as well as greater biomass accumulation. No significant differences in biomass allocation patterns were found among the different experimental treatments. The total porosity and dry bulk density of the growth substrate strongly influence plant traits. Substantial positive correlations were observed between total porosity and height and total biomass. Also, negative correlations were observed between dry bulk density and height, number of ramets, total biomass and lacunal volume. These results indicate that at high concentrations of water-column nutrients, V. natans responds to different physical properties of the growth substrate by changing growth and biomass accumulation strategies, rather than by changing biomass allocation patterns. Compared with V. natans grown in substrates with larger grain sizes, V. natans appeared well-adapted to substrates with smaller grain sizes. Thus, the physical properties of the growth substrate could be important in determining submersed macrophyte colonization and distribution in shallow eutrophic lakes. This information may be useful in managing shallow eutrophic lakes wherein rooted submersed macrophytes are declining. (C) 2011 Elsevier GmbH. All rights reserved.
SubtypeArticle
KeywordGrowth Substrate Grain Size Physical Properties Submersed Macrophyte Succession
Department[Li, Z. Q.; Kong, L. Y.; Yang, L. F.; Wang, Z. X.] Hubei Univ, Coll Resources & Environm, Wuhan 430062, Peoples R China; [Lei, Y.] Huazhong Normal Univ, Coll Life Sci, Wuhan, Peoples R China; [Zhang, M.; Cao, T.; Xu, J.] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Expt Stn Lake Ecosyst, Beijing 100864, Peoples R China
DOI10.1016/j.limno.2011.09.003
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationNational Natural Science Foundation of China[30870260, 30770396, 40971028]; Excellent Youth Foundation of Hubei Scientific Committee ; National Natural Science Foundation of China[30870260, 30770396, 40971028]; Excellent Youth Foundation of Hubei Scientific Committee ; National Natural Science Foundation of China[30870260, 30770396, 40971028]; Excellent Youth Foundation of Hubei Scientific Committee ; National Natural Science Foundation of China[30870260, 30770396, 40971028]; Excellent Youth Foundation of Hubei Scientific Committee
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology
WOS SubjectLimnology
WOS IDWOS:000298779100010
WOS KeywordLITTORELLA-UNIFLORA ; AQUATIC VEGETATION ; ORGANIC-MATTER ; SEDIMENT ; SOIL ; QUALITY ; BIOMASS ; PLANT
Funding OrganizationNational Natural Science Foundation of China[30870260, 30770396, 40971028]; Excellent Youth Foundation of Hubei Scientific Committee ; National Natural Science Foundation of China[30870260, 30770396, 40971028]; Excellent Youth Foundation of Hubei Scientific Committee ; National Natural Science Foundation of China[30870260, 30770396, 40971028]; Excellent Youth Foundation of Hubei Scientific Committee ; National Natural Science Foundation of China[30870260, 30770396, 40971028]; Excellent Youth Foundation of Hubei Scientific Committee
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16725
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorWang, ZX (reprint author), Hubei Univ, Coll Resources & Environm, Wuhan 430062, Peoples R China
Affiliation1.Hubei Univ, Coll Resources & Environm, Wuhan 430062, Peoples R China
2.Huazhong Normal Univ, Coll Life Sci, Wuhan, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Expt Stn Lake Ecosyst, Beijing 100864, Peoples R China
Recommended Citation
GB/T 7714
Li, Z. Q.,Kong, L. Y.,Yang, L. F.,et al. Effect of substrate grain size on the growth and morphology of the submersed macrophyte Vallisneria natans L.[J]. LIMNOLOGICA,2012,42(1):81-85.
APA Li, Z. Q..,Kong, L. Y..,Yang, L. F..,Zhang, M..,Cao, T..,...&Wang, ZX .(2012).Effect of substrate grain size on the growth and morphology of the submersed macrophyte Vallisneria natans L..LIMNOLOGICA,42(1),81-85.
MLA Li, Z. Q.,et al."Effect of substrate grain size on the growth and morphology of the submersed macrophyte Vallisneria natans L.".LIMNOLOGICA 42.1(2012):81-85.
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