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Experimental clearance rates ofAurelia coeruleaephyrae and medusae, and the predation impact on zooplankton in Jiaozhou Bay
Wang Pengpeng1,2,3,5; Zhang Fang1,2,3,5; Sun Song1,2,3,4,5; Wang Weicheng1,2,5; Wan Aiyong4,5; Li Chaolun1,2,3,5
2020-07-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume38Issue:4Pages:1256-1269
Corresponding AuthorZhang Fang(zhangfang@qdio.ac.cn) ; Sun Song(sunsong@qdio.ac.cn)
AbstractThe population explosion of jellyfishAurelia coeruleaoccurred in Jiaozhou Bay, China in 2009. The potential predation impact ofA. coeruleaon zooplankton was investigated. Population clearance potential and residence time (t(1/2)) for copepods were calculated from laboratory clearance rates and measurements of jellyfish size and abundance from May to August 2009 in Jiaozhou Bay. Clearance rates varied widely with prey organisms, but they were not significantly different among various prey concentrations. Medusae captured rotifers, fish larvae and hydromedusae more efficiently than fish eggs, copepods and chaetognaths. Ephyrae captured rotifers and hydromedusae more efficiently than fish larvae and copepods. Clearance rate linearly increased with the cross sectional area ofA. coerulea(size from 0.3 to 7.1 cm). Water temperature also had a marked effect on clearance rate and this was related to the increased beat frequency as water temperature increased. In early May 2009,A. coeruleapotentially cleared the volume of water in the Bay less than 0.001 times a day, but this value was estimated to be more than 0.3 times a day in July. Thet(1/2)for copepods was less than 6 d in June and July. Abundances of copepods, hydromedusae and chaetognaths were extremely low in 2009 compared to 2008 and 2010 (jellyfish non-bloom years). Large predation pressure by theA. coeruleapopulation occurred to control zooplankton communities in Jiaozhou Bay.A. coerulea, when present at a high population level, can be a keystone species in Jiaozhou Bay and control the trophic structure here.
Keywordscyphomedusae predation pressure prey selection zooplankton control jellyfish bloom
DOI10.1007/s00343-020-0024-7
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000551529700023
PublisherSCIENCE PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/168030
Collection海洋生态与环境科学重点实验室
胶州湾海洋生态系统国家野外研究站
Corresponding AuthorZhang Fang; Sun Song
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Jiaozhou Bay Marine Ecosyst Res Stn, Qingdao 266071, Peoples R China
5.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, 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
Wang Pengpeng,Zhang Fang,Sun Song,et al. Experimental clearance rates ofAurelia coeruleaephyrae and medusae, and the predation impact on zooplankton in Jiaozhou Bay[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2020,38(4):1256-1269.
APA Wang Pengpeng,Zhang Fang,Sun Song,Wang Weicheng,Wan Aiyong,&Li Chaolun.(2020).Experimental clearance rates ofAurelia coeruleaephyrae and medusae, and the predation impact on zooplankton in Jiaozhou Bay.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,38(4),1256-1269.
MLA Wang Pengpeng,et al."Experimental clearance rates ofAurelia coeruleaephyrae and medusae, and the predation impact on zooplankton in Jiaozhou Bay".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 38.4(2020):1256-1269.
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