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学科主题: Biotechnology & Applied Microbiology; Marine & Freshwater Biology
题名: Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions
作者: Qiu, BS; Gao, KS
通讯作者: Gao, KS, Shantou Univ, Ctr Sci, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China
关键词: blue-green alga ; carbon dioxide ; cyanobacterium ; daily production ; desiccation ; light ; Nostoc flagelliforme ; photosynthesis
刊名: JOURNAL OF APPLIED PHYCOLOGY
发表日期: 2002-04-01
卷: 14, 期:2, 页:77-83
收录类别: SCI
文章类型: Article
部门归属: Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
研究领域[WOS]: Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
摘要: Diurnal 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.
英文摘要: Diurnal 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.
关键词[WOS]: BLUE-GREEN-ALGAE ; RECOVERY ; MECHANISMS ; WATER
语种: 英语
WOS记录号: WOS:000175879100002
ISSN号: 0921-8971
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9854
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China

Recommended Citation:
Baosheng Qiu; Kunshan Gao.Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions,JOURNAL OF APPLIED PHYCOLOGY,2002,14(2):77-83
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