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题名: Effect of Black Wattle (Acacia mearnsii) Extract on Blue-Green Algal Bloom Control and Plankton Structure Optimization: A Field Mesocosm Experiment
作者: Zhou, Lirong1; Bi, Yonghong2; Jiang, Lihe3; Wang, Zhiqiang1; Chen, Wenqing1
通讯作者: Zhou, LR (reprint author), Sichuan Univ, Architecture & Environm Coll, 24 S 1st Ring Rd,Sect 1, Chengdu 610065, Peoples R China.
关键词: algal bloom ; algal inhibition ; aquatic ecosystem ; black wattle extract ; cyanobacteria
刊名: WATER ENVIRONMENT RESEARCH
发表日期: 2012-12-01
DOI: 10.2175/106143012X13418552642083
卷: 84, 期:12, 页:2133-2142
收录类别: SCI
文章类型: Article
部门归属: [Zhou, Lirong; Wang, Zhiqiang; Chen, Wenqing] Sichuan Univ, Architecture & Environm Coll, Chengdu 610065, Peoples R China; [Bi, Yonghong] Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China; [Jiang, Lihe] Guangxi Univ, Div Dev & Planning, Nanning 530004, Peoples R China
WOS标题词: Science & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
资助者: National Natural Science Foundation of China [51109147]; China Yangtze Three Gorges Project Development Corporation
类目[WOS]: Engineering, Environmental ; Environmental Sciences ; Limnology ; Water Resources
研究领域[WOS]: Engineering ; Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
摘要: A field mesocosm experiment was conducted at the Three Gorges Reservoir to investigate the utility of black wattle extract in controlling blue algal blooms. The mesocosm experiment was divided into two parts: (1) a short-term test to evaluate how black wattle extract inhibits algal blooms in an emergency and (2) a long-term test to evaluate how black wattle extract maintains water quality and prevents algal blooms over a 1-year period. In the short-term test, the results showed that 3 to 4 mg L-1 black wattle extract could reduce algal biomass in 1 week, whereas serious algal blooms occurred in the untreated control mesocosm. More importantly, the long-term test suggested that black wattle extract played a significant role in plankton structure optimization at lower concentrations of 1 to 2 mg L-1. In this test, phytoplankton diversity increased, with the dominant species shifting from cyanobacteria to diatoms and other algae. Meanwhile, as water quality improved through the presence of plant extract treatment, the numbers of smaller zooplankton decreased and larger species increased. Therefore, this investigation founded a novel nature plant agent that not only has good effects on algal bloom control, but also restores the aquatic ecosystem. Water Environ. Res., 84, 2133 (2012).
英文摘要: A field mesocosm experiment was conducted at the Three Gorges Reservoir to investigate the utility of black wattle extract in controlling blue algal blooms. The mesocosm experiment was divided into two parts: (1) a short-term test to evaluate how black wattle extract inhibits algal blooms in an emergency and (2) a long-term test to evaluate how black wattle extract maintains water quality and prevents algal blooms over a 1-year period. In the short-term test, the results showed that 3 to 4 mg L-1 black wattle extract could reduce algal biomass in 1 week, whereas serious algal blooms occurred in the untreated control mesocosm. More importantly, the long-term test suggested that black wattle extract played a significant role in plankton structure optimization at lower concentrations of 1 to 2 mg L-1. In this test, phytoplankton diversity increased, with the dominant species shifting from cyanobacteria to diatoms and other algae. Meanwhile, as water quality improved through the presence of plant extract treatment, the numbers of smaller zooplankton decreased and larger species increased. Therefore, this investigation founded a novel nature plant agent that not only has good effects on algal bloom control, but also restores the aquatic ecosystem. Water Environ. Res., 84, 2133 (2012).
关键词[WOS]: DECOMPOSING BARLEY STRAW ; MICROCYSTIS-AERUGINOSA ; GROWTH-INHIBITION ; FRESH-WATER ; PHYTOPLANKTON ; CYANOBACTERIA ; MITIGATION ; DYNAMICS ; INCREASE ; TANNINS
语种: 英语
WOS记录号: WOS:000311942800008
ISSN号: 1061-4303
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/17272
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Sichuan Univ, Architecture & Environm Coll, Chengdu 610065, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
3.Guangxi Univ, Div Dev & Planning, Nanning 530004, Peoples R China

Recommended Citation:
Zhou, Lirong; Bi, Yonghong; Jiang, Lihe; Wang, Zhiqiang; Chen, Wenqing.Effect of Black Wattle (Acacia mearnsii) Extract on Blue-Green Algal Bloom Control and Plankton Structure Optimization: A Field Mesocosm Experiment,WATER ENVIRONMENT RESEARCH,2012,84(12):2133-2142
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