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Study on the succession of algae and the trend of water-blooms occurred in Xiangxi Bay
Zhou Guang-Jie (kaituo2003@ihb.ac.cn); Kuang Qi-Jun; Hu Zheng-Yu (huzy@ihb.ac.cn); Cai Qing-Hua; Zhou Guang-Jie; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
2006
Source PublicationActa Hydrobiologica Sinica
ISSN1000-3207
Volume30Issue:1Pages:42-46
AbstractThis paper represents the results of an investigation on algal succession and the occurring trend of water-blooms in Xiangxi Bay from January 2003 to December 2004. The results were discussed in four periods. The first period was from January 2003 to June 2003, the second was from July 2003 to December 2003, the third was from January 2004 to June 2004, and the fourth was from July 2004 to December 2004, each period was 6 months. A total of 115 species of algae belonging to 7 phyla and 85 genera was observed when the Three Gorges Reservoir had been sluiced for half a year. The species number of each phylum were as follows: Bacillariophyta 22, Chlorophyta 67, Cyanophyta 12, Pyrrophyta 4, Euglenophyta 5, Cryptophyta 2, Xanthopllyta 3. The results showed that the species richness of green algae increased notably in the second period. It was almost 3 times of that before sluice, and then went down slowly in the third and the fourth period. The species richness of diatoms represented a trend of decrease. Other phyla varied slightly. The peak value of cell density and biomass of algae were both noted at the S6 station with the highest cell numbers of 6.93 x 10(7) cells/L (June) and the most biomass of 87.24mg/L ( March). The minimal values were almost noted at the S1 station except in March. According to tile investigated results, the authors give a forecast analysis on the trend of water-blooms Occurring in the Xiangxi Bay. We predict that the occuring odds of water-blooms is small in the main channel, and the water-blooms are easy to occur in distributaries and some lentic areas, especially in spring when the water temperature rises gradually and sunlight becomes abundant
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/18421
Collection期刊论文
Corresponding AuthorZhou Guang-Jie; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Zhou Guang-Jie ,Kuang Qi-Jun,Hu Zheng-Yu ,et al. Study on the succession of algae and the trend of water-blooms occurred in Xiangxi Bay[J]. Acta Hydrobiologica Sinica,2006,30(1):42-46.
APA Zhou Guang-Jie ,Kuang Qi-Jun,Hu Zheng-Yu ,Cai Qing-Hua,Zhou Guang-Jie,&Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China.(2006).Study on the succession of algae and the trend of water-blooms occurred in Xiangxi Bay.Acta Hydrobiologica Sinica,30(1),42-46.
MLA Zhou Guang-Jie ,et al."Study on the succession of algae and the trend of water-blooms occurred in Xiangxi Bay".Acta Hydrobiologica Sinica 30.1(2006):42-46.
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