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Combined effects of seasonal warming and hyposalinity on strobilation of Nemopilema nomurai polyps
Feng, Song1,2,3; Lin, Jianing4; Sun, Song1,2,3,5; Zhang, Fang1,2,3; Li, Chaolun1,2,3,5; Xian, Weiwei1,2,3
2020-03-01
Source PublicationJOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY
ISSN0022-0981
Volume524Pages:9
Corresponding AuthorFeng, Song(fengsong@qdio.ac.cn) ; Sun, Song(sunsong@qdio.ac.cn) ; Zhang, Fang(zhangfang@qdio.ac.cn)
AbstractStrobilation of the giant jellyfish, Nemopilema nomurai, has been found to occur in late spring to early summer near Chinese estuaries, suggesting that seasonal warming and hyposalinity may be the crucial influencing factors. This study examined their combined effects by exposing post-overwintered N. nomurai polyps (cultured at 5 degrees C for 2.5 months) to four temperatures (10, 13, 16 and 19 degrees C) and seven salinities (11, 15, 18, 20, 23, 28, and 33) in approximate ambient strobilation period. Strobilation of N. nomurai occurred in all treatments. However, exposure to 10-16 degrees C and salinity 15-23 resulted in polyps with significantly enhanced ephyra production via a remarkable increase of average strobilation frequency and prolongation of the strobilation stage; additionally, the mortality of post-strobilated polyps and the decreased percentage of calyx diameter were notably low compared to the other groups. These results indicate that seasonal warming was a trigger for N. nomurai strobilation. Medusae were more likely to bloom if the duration at relatively cool temperatures (10-16 degrees C) was prolonged in spring. During the strobilation, the polyp population in situ would decline after releasing massive number of ephyrae. However, exposure to hyposalinity could relieve this case and ensure sustainable development of post-strobilated polyp population better, which was a momentous advantage of estuaries as the habitats for N. nomurai over other regions.
KeywordJellyfish blooms Scyphozoan Life cycle Cool temperature Hyposalinity
DOI10.1016/j.jembe.2020.151316
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFC1404401] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA23050301] ; Marine S & T Fund of Shandong Province for Pilot National Laboratory for Marine Science and Technology (Qingdao)[2018SDKJ0504-3] ; National Natural Science Foundation of China[41706127] ; Ao Shan Science and Technology Innovation Project[2016ASKJ02-2] ; CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences[KLMEES201801]
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEcology ; Marine & Freshwater Biology
WOS IDWOS:000514018900021
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/165605
Collection海洋生态与环境科学重点实验室
Corresponding AuthorFeng, Song; Sun, Song; Zhang, Fang
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
4.Chinese Res Inst Environm Sci, Lab Riverine Ecol Conservat & Technol, Beijing 100012, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Feng, Song,Lin, Jianing,Sun, Song,et al. Combined effects of seasonal warming and hyposalinity on strobilation of Nemopilema nomurai polyps[J]. JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY,2020,524:9.
APA Feng, Song,Lin, Jianing,Sun, Song,Zhang, Fang,Li, Chaolun,&Xian, Weiwei.(2020).Combined effects of seasonal warming and hyposalinity on strobilation of Nemopilema nomurai polyps.JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY,524,9.
MLA Feng, Song,et al."Combined effects of seasonal warming and hyposalinity on strobilation of Nemopilema nomurai polyps".JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY 524(2020):9.
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