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Laboratory study on the life history of bloom-forming Ulva prolifera in the Yellow Sea
Liu, Qing1,2; Yu, Ren-Cheng1; Yan, Tian1; Zhang, Qing-Chun1; Zhou, Ming-Jiang1
2015-09-20
Source PublicationESTUARINE COASTAL AND SHELF SCIENCE
Volume163Issue:2015Pages:82-88
SubtypeArticle
AbstractUlva prolifera is the major causative species of large-scale green tides in the Yellow Sea (YS) of China. It has complex life cycles and multiple reproduction modes, such as parthenogenesis, a reproduction mode previously reported in many Ulva species with different consequences. However, there is little knowledge on the consequences of parthenogenesis in the following generations of U. prolifera. In this study, four strains of bloom-forming U. prolifera isolated from the YS were observed for multiple successive generations in the laboratory for approximately 2 years, and the type of thalli developed directly from unfertilized gametes and their following generations was determined by the zoids they produced. Among the four strains we examined, the gametes of two strains developed into parthenosporophytes (PS), followed by alternative generations of gametophytes (G) and parthenosporophytes. The other two strains, however, exhibited repeating generations of gametophyte, and then reverted to the isomorphic PS/G life cycle in February, 2013, after 8 gametophytic generations. The findings in this study suggest that parthenogenetic reproduction is a common feature of bloom-forming U. prolifera in the YS, which is likely to promote the rapid proliferation of U. prolifera population and to maintain its unique features. However, more detailed investigations are required to elucidate the role of parthenogenesis in the formation of green tides of U. prolifera in the YS. (C) 2014 Elsevier Ltd. All rights reserved.
KeywordGreen Tides Ulva Prolifera Life History Reproduction
DOI10.1016/j.ecss.2014.08.011
Indexed BySCI
Language英语
WOS IDWOS:000362604700014
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/52287
Collection海洋生态与环境科学重点实验室
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
Liu, Qing,Yu, Ren-Cheng,Yan, Tian,et al. Laboratory study on the life history of bloom-forming Ulva prolifera in the Yellow Sea[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2015,163(2015):82-88.
APA Liu, Qing,Yu, Ren-Cheng,Yan, Tian,Zhang, Qing-Chun,&Zhou, Ming-Jiang.(2015).Laboratory study on the life history of bloom-forming Ulva prolifera in the Yellow Sea.ESTUARINE COASTAL AND SHELF SCIENCE,163(2015),82-88.
MLA Liu, Qing,et al."Laboratory study on the life history of bloom-forming Ulva prolifera in the Yellow Sea".ESTUARINE COASTAL AND SHELF SCIENCE 163.2015(2015):82-88.
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