Spatial gradient and seasonal variation of trophic status in a large water supply reservoir for the South-to-North Water Diversion Project, China

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	Spatial gradient and seasonal variation of trophic status in a large water supply reservoir for the South-to-North Water Diversion Project, China
	Shen, Henglun 1,2; Cai, Qinghua 1; Zhang, Min 1
刊名	JOURNAL OF FRESHWATER ECOLOGY
	2015-04-03
卷号	30 期号:2 页码:249-261
关键词	phosphorus limitation Danjiangkou Reservoir trophic status Carlson trophic index eutrophication
ISSN号	0270-5060
通讯作者	Cai, Q (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.
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.
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
关键词[WOS]	DANJIANGKOU RESERVOIR ; CHLOROPHYLL-A ; MIDDLE ROUTE ; SOURCE AREA ; EUTROPHICATION ; LAKES ; NITROGEN ; PHYTOPLANKTON ; VARIABILITY ; ECOSYSTEMS
收录类别	SCI
语种	英语
WOS记录号	WOS:000353953700004
内容类型	期刊论文
源URL	[http://ir.ihb.ac.cn/handle/342005/23861]
专题	水生生物研究所_淡水生态学研究中心_期刊论文
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
推荐引用方式 GB/T 7714	Shen, Henglun,Cai, Qinghua,Zhang, Min. Spatial gradient and seasonal variation of trophic status in a large water supply reservoir for the South-to-North Water Diversion Project, China[J]. JOURNAL OF FRESHWATER ECOLOGY,2015,30(2):249-261.
APA	Shen, Henglun,Cai, Qinghua,&Zhang, Min.(2015).Spatial gradient and seasonal variation of trophic status in a large water supply reservoir for the South-to-North Water Diversion Project, China.JOURNAL OF FRESHWATER ECOLOGY,30(2),249-261.
MLA	Shen, Henglun,et al."Spatial gradient and seasonal variation of trophic status in a large water supply reservoir for the South-to-North Water Diversion Project, China".JOURNAL OF FRESHWATER ECOLOGY 30.2(2015):249-261.