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Interactive effects of iron, irradiance and CO2 on Ross Sea phytoplankton
Feng, Y.2; Hare, C. E.2; Rose, J. M.2,9; Handy, S. M.2; DiTullio, G. R.3,4; Lee, P. A.4; Smith, W. O., Jr.5; Peloquin, J.5,10; Tozzi, S.5,11; Sun, J.6; Zhang, Y.2; Dunbar, R. B.7; Long, M. C.7; Sohst, B.8; Lohan, M.12; Hutchins, D. A.1
2010-03-01
Source PublicationDEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
Volume57Issue:3Pages:368-383
SubtypeArticle
AbstractWe conducted a factorial shipboard continuous culture experiment to examine the interactive effects of altered iron, irradiance and CO2 on the summer phytoplankton community of the Ross Sea, Antarctica. After 18 days of continuous incubation, iron enrichment increased phytoplankton biomass, nutrient drawdown, diatom and Phaeocystis abundance, and some photosynthetic parameters. High irradiance significantly increased the number of Phaeocystis antarctica colonies, as well as P. antarctica abundance relative to diatoms. Iron and light had significant interactive effects on diatom and P. antarctica pigment concentrations. P. antarctica colony abundance, and Si:N, Si:C, and N:P ratios. The major influence of high CO2 was on diatom community structure, by favoring the large centric diatom Chaetoceros lineola over the small pennate species Cylindrotheca closterium. The ratio of centric to pennate diatoms was significantly responsive to changes in all three variables individually, and to all of their possible two- and three-way combinations. These results suggest that shifts in light, iron, and CO2 and their mutual interactions all play a role in controlling present day Ross Sea plankton community structure, and need to be considered when predicting the possible future responses of biology and biogeochemistry in this region. (C) 2009 Elsevier Ltd. All rights reserved.
KeywordCo2 Irradiance Iron Limitation Phytoplankton Diatoms Phaeocystis Ross Sea Global Change Co-limitation Interactive Effects Southern Ocean
DOI10.1016/j.dsr.2009.10.013
Indexed BySCI
Language英语
WOS IDWOS:000276290900006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/32839
Collection海洋生态与环境科学重点实验室
Affiliation1.Univ So Calif, Dept Biol Sci, Los Angeles, CA 90089 USA
2.Univ Delaware, Coll Marine & Earth Studies, Lewes, DE 19958 USA
3.Coll Charleston, Hollings Marine Lab, Charleston, SC 29412 USA
4.Coll Charleston, Grice Marine Lab, Charleston, SC 29412 USA
5.Virginia Inst Marine Sci, Gloucester Pt, VA 23062 USA
6.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
7.Stanford Univ, Environm Earth Syst Sci Dept, Stanford, CA 94305 USA
8.Old Dominion Univ, Norfolk, VA USA
9.Woods Hole Oceanog Inst, Dept Biol, Woods Hole, MA 02543 USA
10.Swiss Fed Inst Technol, Inst Biogeochem & Pollutant Dynam, Zurich, Switzerland
11.Monterey Bay Aquarium Res Inst, Moss Landing, CA USA
12.Univ Plymouth, Sch Earth Ocean & Environm Sci, Plymouth PL4 8AA, Devon, England
Recommended Citation
GB/T 7714
Feng, Y.,Hare, C. E.,Rose, J. M.,et al. Interactive effects of iron, irradiance and CO2 on Ross Sea phytoplankton[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2010,57(3):368-383.
APA Feng, Y..,Hare, C. E..,Rose, J. M..,Handy, S. M..,DiTullio, G. R..,...&Hutchins, D. A..(2010).Interactive effects of iron, irradiance and CO2 on Ross Sea phytoplankton.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,57(3),368-383.
MLA Feng, Y.,et al."Interactive effects of iron, irradiance and CO2 on Ross Sea phytoplankton".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 57.3(2010):368-383.
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