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Competition of bloom-forming marine phytoplankton at low nutrient concentrations
Hu, Hanhua; Zhang, Jun; Chen, Weidong; Hu, HH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; hanhuahu@ihb.ac.cn
2011
Source PublicationJOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
ISSN1001-0742
Volume23Issue:4Pages:656-663
AbstractCompetition of three bloom-forming marine phytoplankton (diatom Skeletonema costatum, and dinoflagellates Prorocentrum minimum and Alexandrium tamarense) was studied through a series of multispecies cultures with different nitrate (NaNO3) and phosphate (NaH2PO4) levels and excess silicate to interpret red tide algae succession. S. costatum outgrew the other two dinoflagellates in nitrate and phosphate replete cultures with 10 mu mol/L Na2SiO3. Under nitrate limited (8.82 mu mol/L NaNO3) conditions, the growth of S. costatum was also dominant when phosphate concentrations were from 3.6 to 108 mu mol/L. Cell density of the two dinoflagellates only increased slightly, to less than 400 and 600 cells/mL, respectively. Cell density of S. costatum decreased with time before day 12, and then increased to 4000 cells/mL (1.5 mg/L dry biomass) at NaNO3 concentrations between 88.2 and 882 mu mol/L with limited phosphate (0.36 mu mol/L NaH2PO4) levels. In addition, P minimum grew well with a maximal cell density of 1690-2100 cells/mL (0.5-0.6 mg/L dry biomass). Although S. costatum initially grew fast, its cell density decreased quickly with time later in the growth phase and the two dinoflagellates were dominant under the nitrate-limited and high nitrate conditions with limited phosphate. These results indicated that the diatom was a poor competitor compared to the two dinoflagellates under limited phosphate; however, it grew well under limited nitrate when growth of the dinoflagellates was near detection limits.
KeywordAlexandrium Tamarense Nitrate Phosphate Prorocentrum Minimum Red Tides Skeletonema Costatum
Department[Hu, Hanhua] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Zhang, Jun] Xiamen Univ, Sch Life Sci, Xiamen 361005, Peoples R China; [Chen, Weidong] City Hope Natl Med Ctr, Beckman Res Inst, Dept Gene Regulat & Drug Discovery, Duarte, CA 91010 USA
Subject AreaEnvironmental Sciences
Funding OrganizationNational Key Basic Research Special Foundation of China [2001CB409706] ; National Key Basic Research Special Foundation of China [2001CB409706] ; National Key Basic Research Special Foundation of China [2001CB409706] ; National Key Basic Research Special Foundation of China [2001CB409706]
Indexed BySCI
Language英语
WOS IDWOS:000289871300018
Funding OrganizationNational Key Basic Research Special Foundation of China [2001CB409706] ; National Key Basic Research Special Foundation of China [2001CB409706] ; National Key Basic Research Special Foundation of China [2001CB409706] ; National Key Basic Research Special Foundation of China [2001CB409706]
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Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15684
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorHu, HH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; hanhuahu@ihb.ac.cn
Recommended Citation
GB/T 7714
Hu, Hanhua,Zhang, Jun,Chen, Weidong,et al. Competition of bloom-forming marine phytoplankton at low nutrient concentrations[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2011,23(4):656-663.
APA Hu, Hanhua,Zhang, Jun,Chen, Weidong,Hu, HH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China,&hanhuahu@ihb.ac.cn.(2011).Competition of bloom-forming marine phytoplankton at low nutrient concentrations.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,23(4),656-663.
MLA Hu, Hanhua,et al."Competition of bloom-forming marine phytoplankton at low nutrient concentrations".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 23.4(2011):656-663.
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