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Hyposalinity and incremental micro-zooplankton supply in early-developed Nemopilema nomurai polyp survival, growth, and podocyst reproduction
Feng, Song1,2; Lin, Jianing3,4; Sun, Song1,2,5,6; Zhang, Fang1,2; Li, Chaolun1,2
2018-03-19
发表期刊MARINE ECOLOGY PROGRESS SERIES
ISSN0171-8630
卷号591页码:117-128
通讯作者Sun, Song(sunsong@qdio.ac.cn)
摘要Early-developed polyps of the giant jellyfish Nemopilema nomurai that are sexually produced during the rainy season form the principal recruitment for benthic population stages, regulating the mass outbreaks of medusae that occur in east Asian marginal seas. Their survival, development and subsequent asexual reproduction are likely facilitated by hyposaline seawater and potentially enhanced micro-zooplankton around the estuaries that comprise the major nurseries of medusae. In this study, 8-tentacled polyps that developed from planulae were incubated at 11 salinities from low to high (8, 11, 13, 15, 18, 20, 23, 25, 28, 31, 33) with 3 feeding frequencies (once every 3 d, once every 9 d, unfed; Brachionus plicatilis concentration: 0.16 mg C l(-1)) at a constant temperature (19 degrees C). Survival rate of early-developed polyps increased 3-fold at salinities 11 to 20, > 80% greater than at salinities 25 to 33. The composition of fully developed polyps, somatic growth, and podocyst diameter positively depended on food supply, except at salinity 8. The potential podocyst production of polyp colonization reached normal peak at salinity 20 in the group that was fed once every 3 d. Excystments were significantly restricted at salinity < 20. These findings confirm that estuarine areas with salinities from 11 to 20 are appropriate for N. nomurai polyp colonization, where prospectively increasing micro-zooplankton supply rooted in frequent eutrophication may benefit polyps. An asexual reproduction strategy also corresponded with autumn salinity fluctuations. The intensity of diluted water and monsoonal rainfall, as well as plankton supply around the estuaries in autumn may fundamentally affect polyp abundance and size, determining the population size of medusae in the following spring.
关键词Polyps Low salinity Survival Growth Podocyst reproduction
DOI10.3354/meps12204
收录类别SCI
语种英语
资助项目State Key Program of National Natural Science of China[41230963] ; Aoshan Science and Technology Innovation Project[2016ASKJ02-2] ; Shandong Joint Fund for Marine Ecology and Environmental Sciences[U1606404] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11020305] ; National Key Research and Development Program of China[2017YFC1404405] ; National Natural Science Foundation of China[41706127] ; State Key Program of National Natural Science of China[41230963] ; Aoshan Science and Technology Innovation Project[2016ASKJ02-2] ; Shandong Joint Fund for Marine Ecology and Environmental Sciences[U1606404] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11020305] ; National Key Research and Development Program of China[2017YFC1404405] ; National Natural Science Foundation of China[41706127]
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Oceanography
WOS类目Ecology ; Marine & Freshwater Biology ; Oceanography
WOS记录号WOS:000428818100010
出版者INTER-RESEARCH
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/157589
专题海洋生态与环境科学重点实验室
通讯作者Sun, Song
作者单位1.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 Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
4.Chinese Res Inst Environm Sci, Lab Riverine Ecol Conservat & Technol, Beijing 100012, Peoples R China
5.Chinese Acad Sci, Inst Oceanol, Jiaozhou Bay Marine Ecosyst Res Stn, Qingdao 266071, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位海洋生态与环境科学重点实验室
通讯作者单位海洋生态与环境科学重点实验室;  中国科学院海洋研究所
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Feng, Song,Lin, Jianing,Sun, Song,et al. Hyposalinity and incremental micro-zooplankton supply in early-developed Nemopilema nomurai polyp survival, growth, and podocyst reproduction[J]. MARINE ECOLOGY PROGRESS SERIES,2018,591:117-128.
APA Feng, Song,Lin, Jianing,Sun, Song,Zhang, Fang,&Li, Chaolun.(2018).Hyposalinity and incremental micro-zooplankton supply in early-developed Nemopilema nomurai polyp survival, growth, and podocyst reproduction.MARINE ECOLOGY PROGRESS SERIES,591,117-128.
MLA Feng, Song,et al."Hyposalinity and incremental micro-zooplankton supply in early-developed Nemopilema nomurai polyp survival, growth, and podocyst reproduction".MARINE ECOLOGY PROGRESS SERIES 591(2018):117-128.
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