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Effects of desiccation and CO2 concentrations on emersed photosynthesis in Porphyra haitanensis (Bangiales, Rhodophyta), a species farmed in China
Dinghui Zou; Kunshan Gao; Gao, KS, Shantou Univ, Ctr Sci, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China
2002
Source PublicationEUROPEAN JOURNAL OF PHYCOLOGY
Volume37Issue:4Pages:587-592
AbstractThe effects on photosynthesis of CO, and desiccation in Porphyra haitanensis were investigated to establish the effects of increased atmospheric CO2 on this alga during emersion at low tides. With enhanced desiccation, net photosynthesis, dark respiration, photosynthetic efficiency, apparent carboxylating efficiency and light saturation point decreased, while the light compensation point and CO2 compensation point increased. Emersed net photosynthesis was not saturated by the present atmospheric CO2 level (about 350 ml m(-3)). and doubling the CO2 concentration (700 ml m(-3)) increased photosynthesis by between 31% and 89% at moderate levels of desiccation. The relative enhancement of emersed net photosynthesis at 700 ml m(-3) CO2 was greater at higher temperatures and higher levels of desiccation. The photosynthetic production of Porphyra haitanensis may benefit from increasing atmospheric CO2 concentration during emersion.
KeywordCo2 Desiccation Emersion Photosynthesis Porphyra Haitanensis Red Alga Seaweed
DepartmentShantou Univ, Ctr Sci, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
Subject AreaPlant Sciences ; Marine & Freshwater Biology
Indexed BySCI
WOS IDWOS:000180099800010
Citation statistics
Cited Times:71[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9758
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
Dinghui Zou,Kunshan Gao,Gao, KS, Shantou Univ, Ctr Sci, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China. Effects of desiccation and CO2 concentrations on emersed photosynthesis in Porphyra haitanensis (Bangiales, Rhodophyta), a species farmed in China[J]. EUROPEAN JOURNAL OF PHYCOLOGY,2002,37(4):587-592.
APA Dinghui Zou,Kunshan Gao,&Gao, KS, Shantou Univ, Ctr Sci, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China.(2002).Effects of desiccation and CO2 concentrations on emersed photosynthesis in Porphyra haitanensis (Bangiales, Rhodophyta), a species farmed in China.EUROPEAN JOURNAL OF PHYCOLOGY,37(4),587-592.
MLA Dinghui Zou,et al."Effects of desiccation and CO2 concentrations on emersed photosynthesis in Porphyra haitanensis (Bangiales, Rhodophyta), a species farmed in China".EUROPEAN JOURNAL OF PHYCOLOGY 37.4(2002):587-592.
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