6种沉水植物对富营养化水体化感抑藻效果研究
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摘要
将6种沉水植物:狐尾藻(Myriophyllum verticillatum)、苦草(Vallisneria natans)、轮叶黑藻(Hydrilla verticillata)、金鱼藻(Ceratophyllum demersum)、菹草(Potamogeton crispus)和伊乐藻(Elodea Canadensis)种植于以绿藻和硅藻为优势种群的富营养化水体中,对比研究其化感抑藻效应.结果表明:在自然状态下,苦草、轮叶黑藻和狐尾藻针对富营养化水体中的浮游藻类具有明显且稳定的抑制效果,化感抑藻效应更具广谱性,可优先考虑应用于实际工程中.
In order to compare and evaluate the allelopathic effect of submerged macrophytes on algae growth under natural conditions,six species of submerged macrophyte(Myriophyllum verticillatum,Vallisneria natans,Hydrilla verticillata,Ceratophyllum demersum,Potamogeton crispus,and Elodea Canadensis)were planted in eutrophied water.The water samples used in the experiment were collected from a polluted pond rich in Chlorophyta and Bacillariophyta as dominant algae species.The results obtained from the analyses indicated that Vallisneria natans,Hydrilla verticillata and Myriophyllum verticillatum had the most significant and stable inhibiting effect on the growth of phytoplankton.The allelopathic effects of these three species also extended for longer period in comparison with other tested submerged macrophytes.The experimental results suggest that Vallisneria natans,Hydrilla verticillataand Myriophyllum verticillatumcan be used as phytoremediation species for control of algae growth in eutrophied water.
In order to compare and evaluate the allelopathic effect of submerged macrophytes on algae growth under natural conditions,six species of submerged macrophyte(Myriophyllum verticillatum,Vallisneria natans,Hydrilla verticillata,Ceratophyllum demersum,Potamogeton crispus,and Elodea Canadensis)were planted in eutrophied water.The water samples used in the experiment were collected from a polluted pond rich in Chlorophyta and Bacillariophyta as dominant algae species.The results obtained from the analyses indicated that Vallisneria natans,Hydrilla verticillata and Myriophyllum verticillatum had the most significant and stable inhibiting effect on the growth of phytoplankton.The allelopathic effects of these three species also extended for longer period in comparison with other tested submerged macrophytes.The experimental results suggest that Vallisneria natans,Hydrilla verticillataand Myriophyllum verticillatumcan be used as phytoremediation species for control of algae growth in eutrophied water.
引文
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[21]汪丽,王国祥,唐晓燕.荇菜(Nymphoides peltatum)对铜绿微囊藻(Microcystis aeruginosa)生长的抑制效应及其机制[J].生态与农村环境学报,2010,26(3):257-263.
[22]SANNA S,GIOVANA O,EDNA G.Allelopathic effects of the Baltic cyanobacteria Nodularia spumigena,Aphanizomenon flos-aquae and Anabaena lemmermannii on algal monocultures[J].Journal of Experimental Marine Biology and Ecology,2004,308:85-101.
[23]MULDERIJ G,MOOIJ W M,SMOLDERS A J,et al.Allelopathic inhibition of phytoplankton by exudates from Stratiotes aloides[J].Aquatic Botany,2005,82:284-296.
[24]JEFFERSON L V,PENNACCHIO M.Allelopathic effects of foliage extracts from four Chenopodiaceae species on seed germination[J].Journal of Arid Environments,2003,55:275-285.
[2]杨旻,吴小刚,张维昊,等.富营养化水体生态修复中水生植物的应用研究[J].环境科学与技术,2007,30(7):98-101.
[3]ERVIN G N,WETZEL R G.An ecological perspective of allelochemical interference in land-water interface communities[J].Plant and Soil,2003,256:13-28.
[4]HORPPILA J,NURMINEN L.Effects of submerged macrophytes on sediment resuspension and internal phosphorus loading in Lake Hiidenvesi(southern Finland)[J].Water Research,2003,37(18):4468-4474.
[5]GOPAL B,GOEL U.Competition and allelopathy in aquatic plant communities[J].Bot Rev,1993,59:155-210.
[6]SIEMENS D H,GARNER S H,MITCHELL-OLDST,et al.Cost of defence in the context of plant competition,brassica rapamay grow and defend[J].Ecology,2002,8(3):505-517.
[7]RICE E L.Allelopathy[M].Orlando:Academic Press,1984.
[8]INDERJIT DKMM,FOY CL.Principles and practices in plant ecology:allelochemical interactions[J].CRC Press Boca Raton,1999(7):95-97.
[9]洪喻,胡洪营.水生植物化感抑藻作用研究与应用[J].科学通报,2009,54(3):287-293.
[10]CARMEN R,MATILDE S,FRANCISCO C,et al.Allelopathic effects of microcystin-LR on the germination,growth and metabolism of five charophyte species and a submerged angiosperm[J].Aquatic Toxicology,2013,13(9):1-10.
[11]鲁志营,高云霓,刘碧云,等.水生植物化感抑藻作用机制研究进展[J].环境科学与技术,2013,36(7):64-69.
[12]TRAN T N B,HISASHI K N.Allelopathic potential of two aquatic plants duckweed(Lemna minor L.)and water lettuce(Pistia stratiotes L.)on terrestrial plant species[J].Aquatic Botany,2012(103):30-36.
[13]汤仲恩,种云霄,吴启堂,等.3种沉水植物对5种富营养化藻类生长的化感效应[J].华南农业大学学报,2007,28(4):42-46.
[14]王红强,成水平,张胜花,等.伊乐藻生物碱的GC-MS分析及其对铜绿微囊藻的化感作用[J].水生生物学报,2010,34(2):361-366.
[15]王立新,张玲,张余霞,等.黑藻(Hydrilla verticillata)养殖水对铜绿微囊藻(Microcystis eruginosa)抑制效应及其机制[J].植物生理与分子生物学学报,2006,32(6):672-678.
[16]浦寅芳,孙颖颖,阎斌伦,等.3种沉水植物对水华藻类生长的影响[J].水生态学杂志,2009,2(6):46-50.
[17]俞子文,孙文浩,郭克勤,等.几种水生植物的克藻效应[J].水生生物学报,1992,16(1):1-7.
[18]胡小贞,马祖友,易文利,等.4种不同培养基下铜绿微囊藻和四尾栅藻生长比较[J].环境科学研究,2004,17(增刊):55-57.
[19]田琪,李利强,黄代中,等.洞庭湖浮游植物群落结构与富营养化特征分析[J].当代水产,2012,7:72-74.
[20]胡芳,王德良.湘江长沙段水体藻类种群组成特征研究[J].环境科学与管理,2011,35(5):162-163.
[21]汪丽,王国祥,唐晓燕.荇菜(Nymphoides peltatum)对铜绿微囊藻(Microcystis aeruginosa)生长的抑制效应及其机制[J].生态与农村环境学报,2010,26(3):257-263.
[22]SANNA S,GIOVANA O,EDNA G.Allelopathic effects of the Baltic cyanobacteria Nodularia spumigena,Aphanizomenon flos-aquae and Anabaena lemmermannii on algal monocultures[J].Journal of Experimental Marine Biology and Ecology,2004,308:85-101.
[23]MULDERIJ G,MOOIJ W M,SMOLDERS A J,et al.Allelopathic inhibition of phytoplankton by exudates from Stratiotes aloides[J].Aquatic Botany,2005,82:284-296.
[24]JEFFERSON L V,PENNACCHIO M.Allelopathic effects of foliage extracts from four Chenopodiaceae species on seed germination[J].Journal of Arid Environments,2003,55:275-285.