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学科主题: Environmental Sciences
题名: ESTIMATING IN SITU GROWTH RATE OF Microcystis BY FDC TECHNIQUE, WITH COMPARISON OF DIFFERENT SAMPLING PERIODS - A CASE STUDY FROM XIANGXI BAY, THREE GORGES RESERVOIR, CHINA
作者: Wang, Lan1, 2; Cai, Qinghua1; Zhang, Min1, 2; Xu, Yaoyang1, 2; Kong, Linghui1, 2; Tan, Lu1, 2
通讯作者: Cai, QH, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, 7 Donghu Nanlu, Wuhan 430072, Peoples R China
关键词: Microcystis bloom ; in situ growth rate ; FDC ; Xiangxi Bay ; Three Gorges Reservoir
刊名: FRESENIUS ENVIRONMENTAL BULLETIN
发表日期: 2010
卷: 19, 期:8A, 页:1576-1581
收录类别: SCI
文章类型: Article
部门归属: [Wang, Lan; Cai, Qinghua; Zhang, Min; Xu, Yaoyang; Kong, Linghui; Tan, Lu] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Wang, Lan; Zhang, Min; Xu, Yaoyang; Kong, Linghui; Tan, Lu] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [40671197]; CAS [KZCX2-YW-427]
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
摘要: Estimation of in situ growth rate of algae is an important aspect of phytoplankton community ecology. The FDC (frequency of dividing cells) technique provides a good base of the estimating process. There will be a problem being faced, however, when applying the method of 24-hour based diel patterns of FDC, i.e., are there any differences of the in situ growth rate estimations in different sampling periods? Therefore, a 37-hour continuous monitoring was carried out in a typical eutrophic water-body (Xiangxi Bay of the Three Gorges Reservoir, China), where a large-scale Microcystis bloom occurred for the first time in summer 2008, to study the variations of FDC values and compare the difference of in situ growth rates of Microcystis in different sampling periods. The result showed that cell division of Microcystis does not have a remarkable diel pattern of high in daytime and low in nighttime, and total phosphorus (TP) is a main factor influencing the FDC. The in situ growth rates ranged from 0.11 to 0.18d(-1) in time scale periods with an average of 0.14 d(-1) influenced by nutrient concentration, water temperature and chlorophyll a.
英文摘要: Estimation of in situ growth rate of algae is an important aspect of phytoplankton community ecology. The FDC (frequency of dividing cells) technique provides a good base of the estimating process. There will be a problem being faced, however, when applying the method of 24-hour based diel patterns of FDC, i.e., are there any differences of the in situ growth rate estimations in different sampling periods? Therefore, a 37-hour continuous monitoring was carried out in a typical eutrophic water-body (Xiangxi Bay of the Three Gorges Reservoir, China), where a large-scale Microcystis bloom occurred for the first time in summer 2008, to study the variations of FDC values and compare the difference of in situ growth rates of Microcystis in different sampling periods. The result showed that cell division of Microcystis does not have a remarkable diel pattern of high in daytime and low in nighttime, and total phosphorus (TP) is a main factor influencing the FDC. The in situ growth rates ranged from 0.11 to 0.18d(-1) in time scale periods with an average of 0.14 d(-1) influenced by nutrient concentration, water temperature and chlorophyll a.
关键词[WOS]: MARINE-PHYTOPLANKTON ; UPTAKE KINETICS ; DYNAMICS ; NITROGEN ; BLOOM
语种: 英语
WOS记录号: WOS:000282617500007
ISSN号: 1018-4619
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13512
Appears in Collections:淡水生态学研究中心_期刊论文

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ESTIMATING IN SITU GROWTH RATE OF Microcystis BY FDC TECHNIQUE, WITH COMPARISON OF DIFFERENT SAMPLING PERIODS - A CASE STUDY FROM XIANGXI BAY, THREE GORGES RESERVOIR, CHINA.pdf(243KB)----开放获取--View Download

作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Wang, Lan; Cai, Qinghua; Zhang, Min; Xu, Yaoyang; Kong, Linghui; Tan, Lu.ESTIMATING IN SITU GROWTH RATE OF Microcystis BY FDC TECHNIQUE, WITH COMPARISON OF DIFFERENT SAMPLING PERIODS - A CASE STUDY FROM XIANGXI BAY, THREE GORGES RESERVOIR, CHINA,FRESENIUS ENVIRONMENTAL BULLETIN,2010,19(8A):1576-1581
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