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题名: Submerged vegetation removal promotes shift of dominant phytoplankton functional groups in a eutrophic lake
作者: Dong, Jing1, 3; Yang, Kai2, 3; Li, Shuangshuang1, 3; Li, Genbao1; Song, Lirong1
关键词: Submerged vegetation ; Phytoplankton ; Functional groups
刊名: JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
发表日期: 2014-08-01
DOI: 10.1016/j.jes.2014.06.010
卷: 26, 期:8, 页:1699-1707
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Historical data indicate that the dominance of submerged plants in Dianchi Lake in the 1960s was characterized by low algal density with dominance of non-toxic group J (Scenedesmus, Pediastrum, etc.). The removal of submerged plants, which began in the 1970s, resulted in the expansion of bloom-forming Microcystis (group M). Laboratory experiments suggested that Microcystis aeruginosa was inclined to grow and develop at elevated temperatures. The growth of Scenedesmus obliquus was slower than that of co-cultivated M. aeruginosa in the absence of Ceratophyllum demersum, especially at higher temperatures. The existence of submerged plant C. demersum could inhibit the growth of the harmful algae M. aeruginosa and this inhibitory effect by C. demersum was enhanced with an increase in temperature. Instead, with C. demersum, the growth of S. obliquus was not inhibited, but the co-cultivated M. aeruginosa was eliminated in a short time. Combined with the historical data and laboratory experiments, it was indicated that the submerged plants might play important roles in the dominance of the non-toxic group J in the historical succession. Consequently, the introduction of the submerged plant such as C. demersum might alter the dominant phytoplankton functional groups from M to J and benefit the restoration of the eutrophic lake. (C) 2014 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
关键词[WOS]: CERATOPHYLLUM-DEMERSUM ; AQUATIC MACROPHYTES ; TEMPERATURE ; SUBSTANCES ; DECLINE ; GROWTH ; L.
语种: 英语
WOS记录号: WOS:000340738000016
ISSN号: 1001-0742
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20404
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.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Dong, Jing; Yang, Kai; Li, Shuangshuang; Li, Genbao; Song, Lirong.Submerged vegetation removal promotes shift of dominant phytoplankton functional groups in a eutrophic lake,JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2014,():
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