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Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions
Baosheng Qiu; Kunshan Gao; Gao, KS, Shantou Univ, Ctr Sci, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China
2002
Source PublicationJOURNAL OF APPLIED PHYCOLOGY
Volume14Issue:2Pages:77-83
AbstractDiurnal photosynthesis of Nostoc flagelliforme was investigated at varied levels of CO2 concentrations and desiccation in order to estimate the effects of enriched CO2 and watering on its daily production. Photosynthetic activity was closely correlated with the desiccated status of the algal mats, increased immediately after watering, reached a maximum at moderate water loss, and then declined with further desiccation. Increased CO2 concentration enhanced the diurnal photosynthesis and raised the daily production. Watering twice per day enhanced the daily production due to prolonged period of active photosynthesis. The values of daily net production were 1321280 mumol CO2 g (d. wt)(-1) d(-1), corresponding to about 0.6-6.1% daily increase in dry weight. High-CO2-grown mats required higher levels of photon flux density to saturate the alga's photosynthesis in air. Air-grown mats showed higher photosynthetic affinity for CO2 and higher levels of dark respiration compared with high-CO2-grown samples.
KeywordBlue-green Alga Carbon Dioxide Cyanobacterium Daily Production Desiccation Light Nostoc Flagelliforme Photosynthesis
DepartmentCent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
Subject AreaBiotechnology & Applied Microbiology ; Marine & Freshwater Biology
Indexed BySCI
WOS IDWOS:000175879100002
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9854
Collection期刊论文
Corresponding AuthorGao, KS, Shantou Univ, Ctr Sci, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Baosheng Qiu,Kunshan Gao,Gao, KS, Shantou Univ, Ctr Sci, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China. Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions[J]. JOURNAL OF APPLIED PHYCOLOGY,2002,14(2):77-83.
APA Baosheng Qiu,Kunshan Gao,&Gao, KS, Shantou Univ, Ctr Sci, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China.(2002).Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions.JOURNAL OF APPLIED PHYCOLOGY,14(2),77-83.
MLA Baosheng Qiu,et al."Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions".JOURNAL OF APPLIED PHYCOLOGY 14.2(2002):77-83.
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