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Effect of temperature and food type on asexual reproduction in Aurelia sp.1 polyps
Wang, Yan-Tao1,2; Zheng, Shan1,2,3; Sun, Song1,3; Zhang, Fang1
2015-07-01
Source PublicationHYDROBIOLOGIA
Volume754Issue:1Pages:169-178
SubtypeArticle
AbstractEnvironmental factors such as temperature and food type affect the rate of asexual reproduction of jellyfish at the polyp stage. Combinations of three temperatures (10, 15, and 20A degrees C) and four food treatments (Prorocentrum donghaiense, Skeletonema costatum, Artemia sp. nauplii, and no food) were established to examine the asexual reproduction strategy of Aurelia sp.1. The results allowed us to reject two null hypotheses: no effect of temperature and no effect of food. A change from 20 to 15 or 10A degrees C induced polyps to release ephyrae when food was present, while polyps without food did not strobilate. Polyps with Artemia sp. nauplii as prey produced more polyps through buds and podocysts, as well as more ephyrae through strobilation. At 20A degrees C, the mortality rates of polyps exceeded 50%, except for those served by Artemia sp. nauplii. The number of polyps increased rapidly with Artemia sp. nauplii as prey. We conclude that when animal prey is limited, plants can serve as a nutrient source and satisfy the energy requirements for polyps at lower temperatures (10 or 15A degrees C). Phytoplankton cannot provide adequate nutrition to polyps at higher temperature (20A degrees). Abundant animal prey and suitable temperatures are essential conditions for polyps to strobilate and release ephyrae, leading to jellyfish blooms.
KeywordAurelia Sp 1 Temperature Food Type Asexual Reproduction Bloom
DOI10.1007/s10750-014-2020-4
Indexed BySCI
Language英语
WOS IDWOS:000355625400014
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/33058
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
3.Chinese Acad Sci, Inst Oceanol, Jiaozhou Bay Marine Ecosyst Res Stn, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang, Yan-Tao,Zheng, Shan,Sun, Song,et al. Effect of temperature and food type on asexual reproduction in Aurelia sp.1 polyps[J]. HYDROBIOLOGIA,2015,754(1):169-178.
APA Wang, Yan-Tao,Zheng, Shan,Sun, Song,&Zhang, Fang.(2015).Effect of temperature and food type on asexual reproduction in Aurelia sp.1 polyps.HYDROBIOLOGIA,754(1),169-178.
MLA Wang, Yan-Tao,et al."Effect of temperature and food type on asexual reproduction in Aurelia sp.1 polyps".HYDROBIOLOGIA 754.1(2015):169-178.
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