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The effect of temperature and food supply on the growth and ontogeny of Aurelia sp 1 ephyrae
Wang, Nan1,2; Li, Chaolun1
2015-07-01
Source PublicationHYDROBIOLOGIA
Volume754Issue:1Pages:157-167
SubtypeArticle
AbstractBlooms of the scyphozoan jellyfish Aurelia spp. are directly affected by the number, survival, and ontogenetic process of the ephyra stage. To determine the combined effect of temperature and food conditions on the production of ephyrae, the rising- and decreasing-temperature experiment was designed to simulate the warming from spring to summer and the cooling from fall to winter, respectively. Results showed that both temperature and prey concentrations significantly affected the ephyra production. Aurelia sp. 1 strobilation occurred from 8 to 17A degrees C, while 13A degrees C was the optimal temperature for ephyra production. At 8, 10, and 17A degrees C, when the parental polyps had abundant food, the released ephyrae had a larger bell diameter and a better nutritional foundation. Abundant food conditions in the field would therefore elevate ephyrae survival rate, accelerate individual development, and thus ensure the population size of medusae. Our results indicate that a longer spring and a relatively higher zooplankton biomass may increase blooms of Aurelia sp. 1. However, the limited food conditions present in autumn and winter most likely mean that the Aurelia sp. 1 ephyrae released during these seasons are not the main source of the following year's medusa population.
KeywordAurelia Sp 1 Ephyra Temperature Prey Concentration Strobilation Ontogeny
DOI10.1007/s10750-014-1981-7
Indexed BySCI
Language英语
WOS IDWOS:000355625400013
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/33049
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
Wang, Nan,Li, Chaolun. The effect of temperature and food supply on the growth and ontogeny of Aurelia sp 1 ephyrae[J]. HYDROBIOLOGIA,2015,754(1):157-167.
APA Wang, Nan,&Li, Chaolun.(2015).The effect of temperature and food supply on the growth and ontogeny of Aurelia sp 1 ephyrae.HYDROBIOLOGIA,754(1),157-167.
MLA Wang, Nan,et al."The effect of temperature and food supply on the growth and ontogeny of Aurelia sp 1 ephyrae".HYDROBIOLOGIA 754.1(2015):157-167.
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