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The effect of nutrient concentrations, nutrient ratios and temperature on photosynthesis and nutrient uptake by Ulva prolifera: implications for the explosion in green tides
Xiao Fan1; Dong Xu1; Yitao Wang2; Xiaowen Zhang1; Shaona Cao2; Shanli Mou1; Naihao Ye1
2014
Source PublicationJOURNAL OF APPLIED PHYCOLOGY
ISSN0921-8971
Volume26Issue:1Pages:537-544
AbstractThe green-tide macroalga, Ulva prolifera, was tested in the laboratory to determine its nutrient uptake and photosynthesis under different conditions. In the nutrient concentration experiments U. prolifera showed a saturated uptake for nitrate but an escalating uptake in the tested range for phosphorus. Both N/P and NO3 −/NH4 + ratios influenced nutrient uptake significantly (p < 0.05) while the PSII quantum yield [Y(II)] (p > 0.05) remained unaffected. The maximum N uptake rate (33.9 ± 0.8 μmol g−1 DW h−1) and P uptake rate (11.1 ± 4.7) was detected at N/P ratios of 7.5 and 2.2, respectively. U. prolifera preferred NH4 +-N to NO3 −-N when the NO3 −-N/NH4 +-N ratio was less than 2.2 (p < 0.05). But between ratios of 2.2 and 12.9, the uptake of NO3 −-N surpassed that of NH4 +-N. In the temperature experiments, the highest N uptake rate and [Y(II)] were observed at 20 °C, while the lowest rates were detected at 5 °C. P uptake rates were correlated with increasing temperature.
KeywordEnvironmental Factors Ulva Prolifera Photosynthesis Nutrient Uptake
DOI10.1007/s10811-013-0054-z
Indexed BySCI
Language英语
WOS Research AreaBiotechnology & Applied Microbiology ; Marine & Freshwater Biology
WOS SubjectBiotechnology & Applied Microbiology ; Marine & Freshwater Biology
WOS IDWOS:000330969800056
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Cited Times [WOS]:44   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionInstitute of Chinese Medical Sciences
Affiliation1.Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences Qingdao China
2.College of Animal Science and Technology Qingdao Agricultural University Qingdao China
Recommended Citation
GB/T 7714
Xiao Fan,Dong Xu,Yitao Wang,et al. The effect of nutrient concentrations, nutrient ratios and temperature on photosynthesis and nutrient uptake by Ulva prolifera: implications for the explosion in green tides[J]. JOURNAL OF APPLIED PHYCOLOGY,2014,26(1):537-544.
APA Xiao Fan.,Dong Xu.,Yitao Wang.,Xiaowen Zhang.,Shaona Cao.,...&Naihao Ye.(2014).The effect of nutrient concentrations, nutrient ratios and temperature on photosynthesis and nutrient uptake by Ulva prolifera: implications for the explosion in green tides.JOURNAL OF APPLIED PHYCOLOGY,26(1),537-544.
MLA Xiao Fan,et al."The effect of nutrient concentrations, nutrient ratios and temperature on photosynthesis and nutrient uptake by Ulva prolifera: implications for the explosion in green tides".JOURNAL OF APPLIED PHYCOLOGY 26.1(2014):537-544.
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