期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 712, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2019.136332
关键词
Microcystis aeruginosa bloom; Spartina alterniflora; Allelochemicals; Microbial community structure
资金
- Natural Science Foundation of Shandong Province of China [ZR2016DQ14]
The Microcystis aeruginosa (M. aeruginosa) blooms and Spartina alterniflora (S. alterniflora) invasion have caused serious damage to local ecological environment. This study validated the possibility of transforming the abandoned S. afterniflora into a biological resource to inhibit M. aeruginosa blooms through allelopathy. The results showed that the inhibitory effect became stronger with the increasing S. alterniflora concentration by decreasing chlorophyll a and weakening photosynthesis when S. alterniflora aqueous extract concentration was over 0.05 g/mL. The results of CC-MS showed that Cyclohexane, Heptane, 2-Cyclohexen-1-one, Hexadecanoic acid, 2,4-Di-tert-butylphenol and Hydrocinnamic acid may be the main allelochemicals. In addition, the S. alterniflora aqueous extract had little effect on the relative abundance and diversity of microbial communities in the culture system. This study provided a novel idea of controlling the M. aeruginosa blooms using the rapidly expanding S. alterniflora. (C) 2019 Elsevier B.V. All rights reserved.
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