干旱区生态环境知识资源中心(Arid): 人工湿地污水处理系统3种红树植物生理生态特性

Arid

	人工湿地污水处理系统3种红树植物生理生态特性
其他题名	Studies of eco-physiological characteristics of three mangrove species in constructed wetland sewage treatment system
	靖元孝 1; 任延丽 2; 陈桂珠 1
来源期刊	生态学报
ISSN	1000-0933
出版年	2005
卷号	25 期号:7 页码:1612-1619
中文摘要	研究了淡水条件下潜流型人工湿地污水处理系统中红树植物海桑、桐花树和木榄的生理生态特性.一年后,海桑、桐花树和木榄株高增长量分别为134、32cm和21 cm,基径增长量分别为18.2、14.3mm和12.9 mm,生物量增长量分别为747、113g/株和55 g/株,表明海桑生长最快,桐花树次之,木榄最慢.从2004年1月至12月,海桑、桐花树和木榄各项生理指标的平均值分别为:叶片总叶绿素含量1.91、1.26、0.91 mg/gFW,叶绿素a含量1.44、0.93、0.64 mg/gFW,叶绿素b含量0.5、0.34、0.17mg/gFW,净光合速率9.67、6.39、3.57mumolCO2/(m2·s),蒸腾速率54、38、24 mmolH2O/(m2·s),气孔导度285、222、110mmolH2O/(m2·s),电解质渗出率10.2、12.9、13.5%和SOD活性447、396、386 U/g FW.结果表明光合作用和水分代谢海桑＞桐花树＞木榄,植物受伤害程度海桑＜桐花树木榄.另外,3种红树植物全年的生理生态特征的变化规律基本相似,4～10月份生长较快,大部分生理指标维持高水平,1～3月份和11～12月份由于温度较低,生长比较慢,大部分生理指标处于较低水平.综合比较一年来人工湿地中3种红树植物的各项生理生态特征,结果显示海桑好于桐花树,桐花树好于木榄.
英文摘要	Mangroves are diverse communities of tropical to subtropical trees and shrubs urowiriK in the inlerlidiil zone. Pollution eco-physiology and purifying effect of mangrove under senwater comiilion have been widely investigated. Only few studies related to mangrove wetlands under freshwater condition have been conducted. The objective of this study is to investigate the eco-phy.siological characteristics of three mangrove species, i. e. Sonneratia caseolaris (Sc ), Aegiceras corniculatum (.Ac) and Bruguiera gymnorrhiza (Bg) in subsurface flow constructed wetland sewage treatment system under freshwater condition.The experiment was conducted in South China Normal University, Guangdong Province of China, from January to December 2004. One-year seedlings of mangroves were obtained from Futian Nature Reserve, Shenzhen Bay. The constructed wetland, with 2 m in length, 2 m in width and 0.6 m in depth, was planted with mangrove at a density of 30 plants per wetland bed. Wetland systems received sewage once a week. Plant height, basal diameter, biomass, SOD activity were measured once a month, while chlorophyll content, photosynthetic rate, transpiration rate .stomatnl conductance, electrolyte leakage were measured once a week.I h<- results showed ihat gruwtli rate of I hi- three species an- different. Sit-in bright inrruitii-nt of Sc, Ac anil Bg were 131. 32 anil L’1 cm. rt.-sjJt-iTivi.-ly. Basal diameter increment was IS. 2. 14. 3. 11’. !> nun. respectively. Hiomass increment were 747. 113. ■..", g plant . respectively. The growth rate- (if ihree species was in the order of .Sc ?-- Ac ,-- Bg. Average value of physiological characteristics of the three mangrove species were obtain according to the values of all treatment months. Total chlorophyll content of Sc. Ac and Bg were 1-91. 1.26, 0.91 mg/gFW .respectively. Chlorophyll a content were 1. 1 1, 0. 93, 0. til ing gFW , while chlorophyll b content were 0. 5 , 0. 34 . 0. 1 7 nig /gFW , respectively. Net photosynthetic ran-’ were 9. 67. tj. 39. ",’,. 57f?rnolCO: (tir ? s),and transpiration rate were 54. 38. 24 tnmol FLO /(nr ? s). stomatal conductance were 285. 222. 110 rnmol H,() /Cnr s). Electrolyte leakage were Id. 2. 12-9, 13.5%. SOD activities were 447. 39fi. 386 V/g FW. The results indicated that photosynthesis and water metabolism showed a sequence of Sc > Ac > Bg. and Sc had a better resistance to sewage stress. The changes of eco-physiologica! characteristics of the three mangrove species during one year were similar. All of the three mangrove species maintained high growth rate and physiological characteristics front April to October, but had low growth rate and physiological characteristics from January to March and from November to December.In conclusion, three mangrove species, i.e. Sunneratiu casvolaris. Ac^iit’i’as cortuculatutn arid Brutfuwrti jryinnttrrhiza are adaptable of subsurface flow constructed wetland sewage treatment system under freshwater condition. According to the eco-physiological characteristics. Sc was better than Ac, and Ac was better than Bg.
中文关键词	红树林 ; 潜流型人工湿地 ; 海桑 ; 桐花树 ; 木榄 ; 淡水
英文关键词	mangrove subsurface flow constructed wetland Sanneratia caseuluris Aegiceras corniculatum Bruguiera gymnurrhiza freshwater
语种	中文
国家	中国
收录类别	CSCD
WOS类目	ECOLOGY
WOS研究方向	Environmental Sciences & Ecology
CSCD记录号	CSCD:2091260
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/206534
作者单位	1.中山大学环境科学与工程学院, 广州, 广东 510275, 中国; 2.华南师范大学生命科学学院, 广州, 广东 510631, 中国
推荐引用方式 GB/T 7714	靖元孝,任延丽,陈桂珠. 人工湿地污水处理系统3种红树植物生理生态特性[J],2005,25(7):1612-1619.
APA	靖元孝,任延丽,&陈桂珠.(2005).人工湿地污水处理系统3种红树植物生理生态特性.生态学报,25(7),1612-1619.
MLA	靖元孝,et al."人工湿地污水处理系统3种红树植物生理生态特性".生态学报 25.7(2005):1612-1619.