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Simulation on the sediments affecting Microcystis recruitment in north bay of Lake Dianchi
Wan Neng (hbwallon@hotmail.com); Tang Jun; Li Lin; Zheng Lingling; Song Lirong (lrsong@ihb.ac.cn); Wan Neng; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
2009
Source PublicationHupo Kexue
ISSN1003-5427
Volume21Issue:6Pages:806-812
AbstractFubao Bay is located in the north of Lake Dianchi, which is one of the most seriously polluted bays in the lake. Two main rivers, Haihc River and Daqinghe River flow into Fubao Bay from the north. Four sampling sites were settled in this bay, and the sediment samples were collected by using Petersen grab. For the first time, the study of recruitment ability of Microcystis in different sediment environments was carried out in simulation devices. The results in the present study showed that the recruitment ability of Microcystis was quite different depended on its habitat environments. The Microcystis recovery was inhibited in lacustrine sediments near estuary, and the maximum biomass (calculated as chlorophyll-a) was pretty lower than other sampling sites. Compared among East Coast Area, West Coast Area and Hydraulic Mud Fill Area, the Microcystis biomass were only 4.7%, 6.6% and 11.9%, respectively. And Microcystis biomass (calculated as Microcystis cell numbers) were about 5.2%, 10.3% and 19.4%, corresponding. All the results indicated that sediments in estuary of Fubao Bay were not appropriate for Microcystis recruitment. The contribution of "seeds bank" recruiting to form HABs in this bay could be much less than the wind-induced external loading. All these results could be helpful in Microcystis blooms forecasting, preventing and controlling in the future.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/18603
Collection期刊论文
Corresponding AuthorWan Neng; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Wan Neng ,Tang Jun,Li Lin,et al. Simulation on the sediments affecting Microcystis recruitment in north bay of Lake Dianchi[J]. Hupo Kexue,2009,21(6):806-812.
APA Wan Neng .,Tang Jun.,Li Lin.,Zheng Lingling.,Song Lirong .,...&Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China.(2009).Simulation on the sediments affecting Microcystis recruitment in north bay of Lake Dianchi.Hupo Kexue,21(6),806-812.
MLA Wan Neng ,et al."Simulation on the sediments affecting Microcystis recruitment in north bay of Lake Dianchi".Hupo Kexue 21.6(2009):806-812.
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