Effect of nitrogen to phosphorus ratios on cell proliferation in marine micro algae |
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| Authors: | ZHANG Qingtian HU Guikun Tianjin Key Laboratory of Marine Resources Chemistry Tianjin University of Science Technology Tianjin China College of Fisheries Ocean University of China Qingdao China |
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| Institution: | ZHANG Qingtian 1,2,**,HU Guikun1 1 Tianjin Key Laboratory of Marine Resources and Chemistry,Tianjin University of Science and Technology,Tianjin 300457,China 2 College of Fisheries,Ocean University of China,Qingdao 266003,China |
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| Abstract: | The ratio of nitrogen/phosphorus (N/P) is known to affect cell proliferation of some marine micro algae. We evaluated the effect of N/P ratios on the proliferation and succession of phytoplankton using five marine micro algae species. We used two sources of nitrogen, NH4Cl (N1) and urea (N2), and a single source of phosphorous, NaH2PO4(P). The optimal N/P ratio that differed among the five species was affected by the source of nitrogen, being as follows (N1/P, N2/P in order): Thalassiosira sp. (30/1, 20/1),... |
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| Keywords: | nitrogen phosphorus ratio proliferation micro alga |
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