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湖泊科学  2015 

城市河道黑臭底泥对挺水植物光合荧光特性的影响

DOI: 10.18307/2015.0412

Keywords: 菖蒲,美人蕉,慈姑,黑臭底泥,光合特性

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Abstract:

城市河道黑臭现象日益严重,探讨常见湿地植物在黑臭底泥中的生长,有利于为河道修复物种选择提供科学依据.研究黑臭底泥对3种常见湿地植物——菖蒲(Acoruscalamus)、美人蕉(Cannaindica)及慈姑(Sagittariasagittifolia)生长状况和叶片叶绿素荧光参数的影响.结果表明:菖蒲和美人蕉在第30~40d时生物量增量明显降低,慈姑的生物量增量在整个实验中持续增加;通过比较3种湿地植物的荧光参数可知,菖蒲和美人蕉的光化学淬灭系数(qP)、相对光合电子传递速率(rETR)值在第10d时达到最大,分别为41.33μmol/(m2·s)和68.60μmol/(m2·s),后30d一直下降;慈姑qP、rETR值在第30d时增加;在第40d时,美人蕉qP值下降,非光化学淬灭系数(qN)值上升,叶片有较强的热耗散能力,而菖蒲的qP、qN值同时下降,黑臭底泥对菖蒲叶片的光合系统PSⅡ造成伤害.这说明黑臭底泥对菖蒲和美人蕉的光合能力产生较长期抑制,而慈姑可较快适应黑臭底泥的胁迫.因此利用湿地植物修复黑臭河道时,可优先选择慈姑,其次是美人蕉,最后是菖蒲.

References

[1]  Kim LH, Choi E, Stenstrom MK. Sediment characteristics, phosphorus types and phosphorus release rates between river and lake sediments. Chemosphere, 2003, 50(1):53-61.
[2]  方宇翘,裘祖楠.城市河流中黑臭现象的研究.中国环境科学,1993,13(4):256-262.
[3]  金相灿,屠清瑛.湖泊富营养化调查规范.北京:中国环境科学出版社,1990.
[4]  刘淑媛,任久长,由文辉.利用人工基质无土栽培经济植物净化富营养化水体的研究.北京大学学报:自然科学版,1999,35(4):518-522.
[5]  杨丹菁,靖元孝,陈兆平等.水翁对富营养化水体氮,磷去除效果及规律研究.环境科学学报,2001,21(5):637-639.
[6]  Fang YY, Babourina O, Rengel Z et al. Spatial distribution of ammonium and nitrate fluxes along roots of wetland plants. Plant Science, 2007, 173(2):240-246.
[7]  Mony C, Koschnick TJ, Haller WT et al. Competition between two invasive Hydrocharitaceae(Hydrilla verticillata(L. f.)(Royle) and Egeria densa(Planch)) as influenced by sediment fertility and season. Aquatic Botany, 2007, 86(3):236-242.
[8]  Shearer JF, Grodowitz MJ, McFarland DG. Nutritional quality of Hydrilla verticillata(L. f.) Royle and its effects on a fungal pathogen Mycoleptodiscus terrestris(Gerd.) Ostazeski. Biological Control, 2007, 41(2):175-183.
[9]  Xiao Y, Wang YL, Gao SX et al. Chemical composition of Hydrilla verticillata(L. f.) Royle in Taihu Lake. Chinese Journal of Chemistry, 2007, 25(5):661-665.
[10]  刘 燕,王圣瑞,金相灿等.水体营养水平对3种沉水植物生长及抗氧化酶活性的影响.生态环境学报,2009,18(1):57-63.
[11]  王 瑁,顾宇飞,朱增银.不同营养状态下金鱼藻的生理响应.应用生态学报,2005,16(2):337-340.
[12]  李振国,王国祥,张 佳等.苦草(Vallisneria natans)根系对沉积物中各形态磷的影响.环境科学,2014,35(4):1304-1310.
[13]  马久远,王国祥,李振国等.太湖两种水生植物群落对沉积物中氮素的影响.环境科学,2013,34(11):4240-4250.
[14]  王立志,王国祥,俞振飞等.沉水植物生长期对沉积物和上覆水之间磷迁移的影响.环境科学,2012,33(2):385-392.
[15]  王立志,王国祥,俞振飞等.苦草(Vallisneria natans)生长期对沉积物磷形态及迁移的影响.湖泊科学,2011,23(5):753-760.
[16]  俞振飞,王国祥,王立志等.苦草(Vallisneria natans)和黑藻(Hydrilla verticillata)对沉积物各形态磷垂直分布的影响.湖泊科学,2012,24(3):378-383.
[17]  中国科学院《中国植物志》编委会.中国植物志. 北京:科学出版社,1999.
[18]  Ralph P, Gademann R, Dennison W. In situ seagrass photosynthesis measured using a submersible, pulse-amplitude modulated fluorometer. Marine Biology, 1998, 132(3):367-373.
[19]  李 强,王国祥,潘国权等.水体浊度对菹草萌发及萌发苗光合荧光特性的影响.生态学报,2006,26(11):3594-3601.
[20]  Ralph PJ, Gademann R. Rapid light curves: a powerful tool to assess photosynthetic activity. Aquatic Botany, 2005, 82(3):222-237.
[21]  更多...
[22]  Schreiber U, Gademann R, Ralph P et al. Assessment of photosynthetic performance of Prochloron in Lissoclinum patella in hospite by chlorophyll fluorescence measurements. Plant and Cell Physiology, 1997, 38(8):945-951.
[23]  张守仁.叶绿素荧光动力学参数的意义及讨论.植物学通报,1999,16(4):444-448.
[24]  Demmig B, Bj?rkman O. Comparison of the effect of excessive light on chlorophyll fluorescence and photon yield of O2 evolution in leaves of higher plants. Planta, 1987, 171(2):171-184.
[25]  Wang B, Li W. Physiological reactions of Potamogeton malaianus to different N and P concentrations in the growth medium. Acta Ecologica Sinica, 2001, 22(10):1616-1621.
[26]  惠红霞,许 兴,李前荣.外源甜菜碱对盐胁迫下枸杞光合功能的改善.西北植物学报,2003,23(12):2137-2142.
[27]  韩博平,韩志国,付 翔.藻类光合作用机理与模型.北京:科学出版社,2003.
[28]  宋玉芝,蔡 炜,秦伯强.太湖常见浮叶植物和沉水植物的光合荧光特性比较.应用生态学报,2009,20(3):569-573.
[29]  Dawson S, Dennison W. Effects of ultraviolet and photosynthetically active radiation on five seagrass species. Marine Biology, 1996, 125(4):629-638.

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