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Effects of modified clay on cysts of Scrippsiella trochoidea for harmful algal bloom control
Wang Zhifu1,2; Yu Zhiming1; Song Xiuxian1; Cao Xihua1; Han Xiaotian1; Yu, ZM (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China.
2014-11-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume32Issue:6Pages:1373-1382
SubtypeArticle
AbstractWe present results on the effect of modified clay on cyst formation of Scrippsiella trochoidea in harmful algal bloom (HAB). Modified clay (in concentration of 0, 0.1, 0.5, and 1.0 g/L) were added to cultures, and observations were made on cysts of S. trochoidea under controlled laboratory conditions. Results indicate that the removal rate of algal cells reached 97.7% at the clay concentration of 1.0 g/L. The cyst formation rate increased from 4.6% to 24.6% when the concentration of clay was increased from 0 to 1.0 g/L. Two cyst metamorphs were observed: spinal calcareous cysts and smooth noncalcareous ones. The proportion of the spinal cysts decreased from 76.9% to 24.1% when clay concentration increased from 0 to 1.0 g/L. In addition, modified clay affected cyst germination. The germination rate decreased with the increases in the clay concentrations. Non-calcareous cysts had a lower germination rate with a longer germination time. We conclude that modified clay could depress algal cell multiplication and promote formation of temporal cysts of S. trochoidea, which may help in controlling HAB outbreaks.
KeywordModified Clay Harmful Algal Bloom (Hab) Resting Cyst Cyst Formation Cyst Germination Scrippsiella Trochoidea
Subject AreaMarine & Freshwater Biology ; Oceanography
DOI10.1007/s00343-015-4008-y
Indexed BySCI
Language英语
WOS IDWOS:000344541900019
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/24011
Collection海洋生态与环境科学重点实验室
Corresponding AuthorYu, ZM (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang Zhifu,Yu Zhiming,Song Xiuxian,et al. Effects of modified clay on cysts of Scrippsiella trochoidea for harmful algal bloom control[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2014,32(6):1373-1382.
APA Wang Zhifu,Yu Zhiming,Song Xiuxian,Cao Xihua,Han Xiaotian,&Yu, ZM .(2014).Effects of modified clay on cysts of Scrippsiella trochoidea for harmful algal bloom control.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,32(6),1373-1382.
MLA Wang Zhifu,et al."Effects of modified clay on cysts of Scrippsiella trochoidea for harmful algal bloom control".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 32.6(2014):1373-1382.
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