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	Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions
	Qiu, B. S. ; Gao, K. S. ; Gao KS(高坤山)
	2002
关键词	blue-green alga carbon dioxide cyanobacterium daily production desiccation light Nostoc flagelliforme photosynthesis
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.
语种	英语
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/60870]
专题	海洋环境－已发表论文
推荐引用方式 GB/T 7714	Qiu, B. S.,Gao, K. S.,Gao KS. Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions[J],2002.
APA	Qiu, B. S.,Gao, K. S.,&高坤山.(2002).Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions..
MLA	Qiu, B. S.,et al."Daily production and photosynthetic characteristics of Nostoc flagelliforme grown under ambient and elevated CO2 conditions".(2002).

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