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Temporal impacts of a small hydropower plant on benthic algal community
Wu, N. C.; Jiang, W. X.; Fu, X. C.; Zhou, S. C.; Li, F. Q.; Cai, Q. H.; Fohrer, N.; Cai, QH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2010
Source PublicationFUNDAMENTAL AND APPLIED LIMNOLOGY
ISSN1863-9135
Volume177Issue:4Pages:257-266
AbstractTo explore the temporal impacts of a small hydropower plant (SHP) on benthic algal community, monthly samples from November 2005 to June 2006 were taken in a reach of the Xiangxi River, China. During the study period, a total of 116 taxa were recorded and diatoms were the most abundant group, accounting for 60.42 % of total taxa. Our study showed that operation of the SHP had significant impacts on river systems: (1) distinct physicochemical conditions between control and impaired sites; (2) remarkable increase of chlorophyll-a concentration, total algal densities, and decrease of Shannon-Wiener diversity index, evenness at impaired sites during the dry period (e. g., November, December, January, February and March); (3) profound impacts on overall benthic algal community in dry periods (e. g., November, December, January, February, March, May and June). However, the rainfall or the periodical connectivity of channel appeared to decrease the impacts of the SHP on the benthic algal community (e. g., April and May). We suggest that a minimal discharge should be preserved during the dry period and a basal flow kept for the maintenance of fluvial connectivity of the river water, which would provide more sustainability to the benthic algal community as well as other aquatic organisms.
KeywordSmall Hydropower Plant (Shp) Benthic Algal Community Small Dam Impact
Department[Wu, N. C.; Jiang, W. X.; Fu, X. C.; Zhou, S. C.; Li, F. Q.; Cai, Q. H.] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; [Wu, N. C.; Fohrer, N.] Univ Kiel, Dept Hydrol & Water Resources Management, Ctr Ecol, D-24118 Kiel, Germany
Subject AreaLimnology ; Marine & Freshwater Biology
Funding OrganizationNational Natural Science Foundation of China [30330140, 40671197]; Key Project of Knowledge Innovation Program of the CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; Key Project of Knowledge Innovation Program of the CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; Key Project of Knowledge Innovation Program of the CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; Key Project of Knowledge Innovation Program of the CAS [KZCX2-YW-427]
Indexed BySCI
Language英语
WOS IDWOS:000284689900002
Funding OrganizationNational Natural Science Foundation of China [30330140, 40671197]; Key Project of Knowledge Innovation Program of the CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; Key Project of Knowledge Innovation Program of the CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; Key Project of Knowledge Innovation Program of the CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; Key Project of Knowledge Innovation Program of the CAS [KZCX2-YW-427]
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13502
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorCai, QH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Wu, N. C.,Jiang, W. X.,Fu, X. C.,et al. Temporal impacts of a small hydropower plant on benthic algal community[J]. FUNDAMENTAL AND APPLIED LIMNOLOGY,2010,177(4):257-266.
APA Wu, N. C..,Jiang, W. X..,Fu, X. C..,Zhou, S. C..,Li, F. Q..,...&Cai, QH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China.(2010).Temporal impacts of a small hydropower plant on benthic algal community.FUNDAMENTAL AND APPLIED LIMNOLOGY,177(4),257-266.
MLA Wu, N. C.,et al."Temporal impacts of a small hydropower plant on benthic algal community".FUNDAMENTAL AND APPLIED LIMNOLOGY 177.4(2010):257-266.
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