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Nutrient Utilization Strategies of Algae and Bacteria after the Termination of Nutrient Amendment with Different Phosphorus Dosage: A Mesocosm Case
Song, Chunlei1; Sondergaard, Morten2; Cao, Xiuyun1; Zhou, Yiyong1
2018
Source PublicationGEOMICROBIOLOGY JOURNAL
ISSN0149-0451
Volume35Issue:4Pages:294-299
AbstractThe impacts of nutrient amendment termination on the growth strategies of algae and bacteria were conducted in experimentally designed mesocosm in which two different phosphorus (P) dosages were treated. The algal community composition did not change greatly in Group A (low phosphorus) and Group B (high phosphorus). In Group A, the secretion of bacterial alkaline phosphatase (AP) after nutrient termination stimulated bacterial phosphorus acquisition, which caused the decrease in algal phosphorus levels, in terms of the increase of bacterial abundance and bacterial production, as well as the decrease in chlorophyll a and particulate organic carbon. The algal collapse resulted in dissolved organic carbon secretion, further fuelling bacterial growth. In Group B, excess phosphorus input urged algae to store phosphorus as poly-phosphate. When phosphorus input ceased, in order to maintain their used high phosphorus demand, algae strengthened to gain phosphorus through the hydrolysis of dissolved organic phosphorus in water column and ploy-phosphate inside the cells by AP, evidenced by high algal alkaline phosphatase activity, algal growth continuation, and bacterial growth decline. These facts indicated that phosphorus content should reduce to a lower level than expected, so that algal bloom can be effectively controlled in eutrophic water bodies.
SubtypeArticle
KeywordAlgae Alkaline Phosphatase Bacteria Mesocosm Nutrient Utilization Strategies
DOI10.1080/01490451.2017.1350890
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
Indexed BySCI
Funding OrganizationSino-Danish scientific and technological cooperation grant(AM 14:06) ; Sino-Danish scientific and technological cooperation grant(AM 14:06) ; National Natural Science Foundation of China(41230748 ; National Natural Science Foundation of China(41230748 ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ07) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ07) ; 41273089 ; 41273089 ; 41573110) ; 41573110) ; Sino-Danish scientific and technological cooperation grant(AM 14:06) ; Sino-Danish scientific and technological cooperation grant(AM 14:06) ; National Natural Science Foundation of China(41230748 ; National Natural Science Foundation of China(41230748 ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ07) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ07) ; 41273089 ; 41273089 ; 41573110) ; 41573110)
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Geology
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary
WOS KeywordLAKE-KINNERET ; EXTRACELLULAR PHOSPHATASES ; PROTEIN-SYNTHESIS ; PHYTOPLANKTON ; NITROGEN ; RESERVOIR ; SYSTEMS
WOS IDWOS:000424756900006
Funding OrganizationSino-Danish scientific and technological cooperation grant(AM 14:06) ; Sino-Danish scientific and technological cooperation grant(AM 14:06) ; National Natural Science Foundation of China(41230748 ; National Natural Science Foundation of China(41230748 ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ07) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ07) ; 41273089 ; 41273089 ; 41573110) ; 41573110) ; Sino-Danish scientific and technological cooperation grant(AM 14:06) ; Sino-Danish scientific and technological cooperation grant(AM 14:06) ; National Natural Science Foundation of China(41230748 ; National Natural Science Foundation of China(41230748 ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ07) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ07) ; 41273089 ; 41273089 ; 41573110) ; 41573110)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/50670
Collection水环境工程研究中心
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Key Lab Algal Biol, Wuhan 430072, Hubei, Peoples R China
2.Univ Copenhagen, Freshwater Biol Lab, Hillerod, Denmark
Recommended Citation
GB/T 7714
Song, Chunlei,Sondergaard, Morten,Cao, Xiuyun,et al. Nutrient Utilization Strategies of Algae and Bacteria after the Termination of Nutrient Amendment with Different Phosphorus Dosage: A Mesocosm Case[J]. GEOMICROBIOLOGY JOURNAL,2018,35(4):294-299.
APA Song, Chunlei,Sondergaard, Morten,Cao, Xiuyun,&Zhou, Yiyong.(2018).Nutrient Utilization Strategies of Algae and Bacteria after the Termination of Nutrient Amendment with Different Phosphorus Dosage: A Mesocosm Case.GEOMICROBIOLOGY JOURNAL,35(4),294-299.
MLA Song, Chunlei,et al."Nutrient Utilization Strategies of Algae and Bacteria after the Termination of Nutrient Amendment with Different Phosphorus Dosage: A Mesocosm Case".GEOMICROBIOLOGY JOURNAL 35.4(2018):294-299.
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