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Efficient assimilation of cyanobacterial nitrogen by water hyacinth

文献类型: 外文期刊

作者: Qin, Hongjie 1 ; Zhang, Zhiyong 1 ; Liu, Minhui 1 ; Wang, Yan 1 ; Wen, Xuezheng 1 ; Yan, Shaohua 1 ; Zhang, Yingying 1 ;

作者机构: 1.Jiangsu Acad Agr Sci, Inst Agr Resource & Environm Sci, Nanjing 210014, Jiangsu, Peoples R China

关键词: N-15 tracer technique;Nitrogen transfer;Cyanobacteria;Water hyacinth

期刊名称:BIORESOURCE TECHNOLOGY ( 影响因子:9.642; 五年影响因子:9.237 )

ISSN:

年卷期:

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收录情况: SCI

摘要: A N-15 labeling technique was used to study nitrogen transfer from cyanobacterium Microcystis aeruginosa to water hyacinth. N-15 atom abundance in M. aeruginosa peaked (15.52%) after cultivation in N-15-labeled medium for 3 weeks. Over 87% of algal nitrogen was transferred into water hyacinth after the 4-week co-cultivation period. The nitrogen quickly super-accumulated in the water hyacinth roots, and the labeled nitrogen was re-distributed to different organs (i.e., roots, stalks, and leaves). This study provides a new strategy for further research on cyanobacterial bloom control, nitrogen migration, and nitrogen cycle in eutrophic waters. (C) 2017 Elsevier Ltd. All rights reserved.

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