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题名: Spatial gradient and seasonal variation of trophic status in a large water supply reservoir for the South-to-North Water Diversion Project, China
作者: Shen, Henglun1, 2; Cai, Qinghua1; Zhang, Min1
通讯作者: Cai, Q (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.
关键词: phosphorus limitation ; Danjiangkou Reservoir ; trophic status ; Carlson trophic index ; eutrophication
刊名: JOURNAL OF FRESHWATER ECOLOGY
发表日期: 2015-04-03
DOI: 10.1080/02705060.2014.935748
卷: 30, 期:2, 页:249-261
收录类别: SCI
文章类型: Article
部门归属: [Shen, Henglun ; Cai, Qinghua ; Zhang, Min] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China ; [Shen, Henglun] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Ecology ; Limnology
研究领域[WOS]: Environmental Sciences & Ecology ; Marine & Freshwater Biology
英文摘要: Carlson trophic state indices (TSIs) have been frequently employed in the water quality literature. The current study reports the spatial distribution and seasonal variation of trophic status in Danjiangkou Reservoir (DJKR), which is a large water supply reservoir of the South-to-North Water Transfer Project in central China. The calculation of TSICHL indicated a mesotrophic state (40 <= TSICHL < 50) for most regions of the reservoir, whereas a eutrophic state was indicated if the assessment was based on either TSITP (calculated from total phosphorus) or TSISD (calculated from Secchi depth). As indicated by Carlson's two-dimensional deviations, factors other than phosphorus limited algal growth in January and May when non-algal particles affected light attenuation. However, phosphorus was the controlling factor of large algae blooms in July and November in 2007. TSISD had positive correlations with TSICHL and TSITP. It was found that total phosphorus, SiO2-Si and SD were the major factors regulating the trophic state (TSICHL) of DJKR. Light attenuation and SD were mainly affected by non-algal particles.
关键词[WOS]: DANJIANGKOU RESERVOIR ; CHLOROPHYLL-A ; MIDDLE ROUTE ; SOURCE AREA ; EUTROPHICATION ; LAKES ; NITROGEN ; PHYTOPLANKTON ; VARIABILITY ; ECOSYSTEMS
语种: 英语
WOS记录号: WOS:000353953700004
ISSN号: 0270-5060
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23861
Appears in Collections:淡水生态学研究中心_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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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