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Response of predominant phytoplankton species to anthropogenic impacts in Lake Taihu
Ai Ying1,2; Bi Yonghong1; Hu Zhengyu1; Bi, YH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
2015-01-02
Source PublicationJOURNAL OF FRESHWATER ECOLOGY
ISSN0270-5060
Volume30Issue:1Pages:99-112
AbstractA year-long investigation of patterns in dominant phytoplankton species was conducted to reveal the response of the phytoplankton community to anthropogenic impacts in Lake Taihu. Microcystis spp. and Cyclotella meneghiniana were the predominant species throughout the lake. Another 14 taxa were codominant species in parts of the lake. In the northwest, the highest phytoplankton biovolume appeared and Microcystis spp. and C. meneghiniana alternately dominated. Aulacoseira granulata, Asterionella formosa and Synedra spp. codominated in succession with C. meneghiniana in winter and spring. Species diversity indices were highest in spring while lowest in summer and anthropogenic nutrient inputs were the key factors controlling the alternating dominance of phytoplankton species. In the Gonghu area (the northeast), Microcystis spp. and C. meneghiniana codominated all year long; the predominant species was determined by water transfer from the Yangtze River, where the codominant species took advantage of flushing and mixing. In the southwest and the lake center with weak anthropogenic impacts, internal nutrient release was the key factor affecting the codominance of Microcystis spp. and C. meneghiniana all year long as well as the codominance of A. granulata, Dolichospermum flos-aquae and Ceratium spp. in succession. It could be concluded that anthropogenic influences shaped the structure of the phytoplankton community and determined the composition of dominant species in Lake Taihu. Species diversity was significantly correlated with nutrient inputs. Not only exogenous P reduction, but also internal P source reduction should be undertaken to prevent harmful cyanobacterial bloom. Water transfer could be used as an emergency management for bloom control.
SubtypeArticle
KeywordLake Taihu Anthropogenic Impacts Patterns Phytoplankton Community Dominant Species
Department[Ai Ying ; Bi Yonghong ; Hu Zhengyu] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China ; [Ai Ying] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
DOI10.1080/02705060.2014.992052
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEcology ; Limnology
WOS KeywordHARMFUL ALGAL BLOOMS ; TROPHIC STATE INDEX ; LARGE SHALLOW LAKE ; CHINA ; PHOSPHORUS ; NITROGEN ; EUTROPHICATION ; RESTORATION
WOS IDWOS:000349681100001
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/25772
Collection藻类生物学及应用研究中心
Corresponding AuthorBi, YH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Ai Ying,Bi Yonghong,Hu Zhengyu,et al. Response of predominant phytoplankton species to anthropogenic impacts in Lake Taihu[J]. JOURNAL OF FRESHWATER ECOLOGY,2015,30(1):99-112.
APA Ai Ying,Bi Yonghong,Hu Zhengyu,&Bi, YH .(2015).Response of predominant phytoplankton species to anthropogenic impacts in Lake Taihu.JOURNAL OF FRESHWATER ECOLOGY,30(1),99-112.
MLA Ai Ying,et al."Response of predominant phytoplankton species to anthropogenic impacts in Lake Taihu".JOURNAL OF FRESHWATER ECOLOGY 30.1(2015):99-112.
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