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Toxic effect of dinoflagellate Alexandrium species on Cladocera Moina mongolica Daday
Yan Tian1; Chen Taoying1,2; Zhou Mingjiang1
2010-03-01
Source PublicationACTA OCEANOLOGICA SINICA
Volume29Issue:2Pages:120-126
SubtypeArticle
AbstractThe main objective of this study was to investigate toxic effects of the dinoflagellate Alexandrium species, on cladocera Moina mongolica in the laboratory. Ten strains of Alexandrium species, including Alexandrium tamarense (AT-6, ATHK, ATCI02, ATCI03 and AT5-1), A. catenella (ACDH), A. affine (AC-1 and AS-1), A. lusitanicum and A. minutum were tested. The results showed that A. tamarense (ATHK, ATCI02 and AT5-1) and A. affine (AC-1 and AS-1), but not A. tamarense (AT-6 and ATCI02), A. catenella (ACDH), A. lusitanicum, and A. minutum had significantly negative effects on the survival of M. mongolica; when exposed to these ten strains of Alexandrium species in densities of 3 000 cells/cm(3) for 7 d, respecyively. M. mongolica could feed on A. tamarense (AT-6, ATHK, ATCI02, ATCI03 and AT5-1), A. catenella, A. lusitanicum, and A. minutum, but exhibited little or no grazing on A. affine (AC-1 and AS-1), based on the changes in gut pigment after exposure to alga for 1 and 12 h. A. affine AC-1, which had the strongest toxicity on the survival of M. mongolica, was chosen to further study the negative effects on M. mongolica. The results showed that the effect of A. affine AC-1 on the survival of M. mongolica was density-dependent, and its lethal effects on one-day, two-day and three-day old M. mongolica were exacerbated with increasing age; The whole algal culture, re-suspended algal cells, cell fragments and cell contents all had adverse impacts on the survival of M. mongolica. Moreover, both juvenile numbers and life-span time of M. mongolica were decreased significantly when they were cultured in A. affine AC-1. of 10 and 50 cells/cm(3), combined with 3x10(6) cells/cm(3) of Chlorella spp., respectively. As a non-PSP producer, A. affine may produce other toxins, responsible for the strong negative effects on M. mongolica.
KeywordRed Tides Alexandrium Species Moina Mongolica Daday Toxic Effect
DOI10.1007/s13131-010-0030-2
Indexed BySCI
Language英语
WOS IDWOS:000277095000015
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/32896
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China
Recommended Citation
GB/T 7714
Yan Tian,Chen Taoying,Zhou Mingjiang. Toxic effect of dinoflagellate Alexandrium species on Cladocera Moina mongolica Daday[J]. ACTA OCEANOLOGICA SINICA,2010,29(2):120-126.
APA Yan Tian,Chen Taoying,&Zhou Mingjiang.(2010).Toxic effect of dinoflagellate Alexandrium species on Cladocera Moina mongolica Daday.ACTA OCEANOLOGICA SINICA,29(2),120-126.
MLA Yan Tian,et al."Toxic effect of dinoflagellate Alexandrium species on Cladocera Moina mongolica Daday".ACTA OCEANOLOGICA SINICA 29.2(2010):120-126.
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