Predation effect on copepods by the giant jellyfish Nemopilema nomurai during the early occurrence stage in May in the northern East China Sea and southern Yellow Sea, China

doi:10.1016/j.marpolbul.2022.114462

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋生态与环境科学重点实验室

	Predation effect on copepods by the giant jellyfish Nemopilema nomurai during the early occurrence stage in May in the northern East China Sea and southern Yellow Sea, China
	Wang, Peng-peng 1,2,5; Zhang, Fang 1,2,3,5; Sun, Song 1,2,3,4,5
刊名	MARINE POLLUTION BULLETIN
	2023
卷号	186 页码:15
关键词	Jellyfish bloom Scyphomedusae Predation pressure Zooplankton Diet Prey competition
ISSN号	0025-326X
DOI	10.1016/j.marpolbul.2022.114462
通讯作者	Zhang, Fang(zhangfang@qdio.ac.cn) ; Sun, Song(sunsong@qdio.ac.cn)
英文摘要	Massive blooms of Nemopilema nomurai have occurred recently across East Asian waters. They are potentially important as zooplankton predators, as well as being competitors for prey with zooplanktivorous fish. Few studies have estimated the predation effects on zooplankton by N. nomurai in situ. To quantify the natural diets and feeding rates and estimate the predation effects, N. nomurai medusae were collected in the northern East China Sea and southern Yellow Sea, one of the principal nursery grounds of this jellyfish, during May 2019. The gut contents indicated that copepods were an important food source for N. nomurai; copepods <1000 mu m rep-resented the bulk of total prey intake in number (> 99 %). Linear regression analyses showed that the copepods number in the gut contents was significantly influenced by medusa diameter and prey abundance. Calculations using the above data indicated that one medusa (mean diameter: 26.06 +/- 9.73 cm) consumed approximately 5248 +/- 2768 of copepods daily. However, even the maximum predation pressure was <0.1 % of the total co-pepods standing stock daily due to the small diameter and low density/biomass of N. nomurai medusae in May 2019. The data presented here suggested that the predation effects of N. nomurai on copepods were low and might not reduce prey availability to fish with diets consisting mainly of copepods during the early occurrence stage of the N. nomurai population.
资助项目	National Natural Science Foundation of China[42076166] ; National Natural Science Foundation of China[42130411] ; CASCSIRO Project Fund [CAS][GJHZ1888] ; Mount Tai Scholar Climbing Plan ; Natural Science Foundation of Shandong Province[ZR2021QD061] ; Innovation Team of Fishery Resources and Ecology in the Yellow Sea and Bohai Sea[2020TD01]
WOS关键词	SCYPHOMEDUSA AURELIA-AURITA ; SCYPHOZOA RHIZOSTOMEAE ; STOMOLOPHUS-MELEAGRIS ; POPULATION-DYNAMICS ; PREY SELECTIVITY ; CYANEA-CAPILLATA ; DIETARY SHIFTS ; COASTAL LAGOON ; ZOOPLANKTON ; BLOOMS
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000993914300001
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/183077]
专题	海洋研究所_海洋生态与环境科学重点实验室
通讯作者	Zhang, Fang; 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 266237, Peoples R China 3.Univ Chinese Acad Sci, Coll marine Sci, Qingdao 266520, Peoples R China 4.Chinese Acad Sci, Jiaozhou Bay Marine Ecosyst Res Stn, Qingdao 266071, Peoples R China 5.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
推荐引用方式 GB/T 7714	Wang, Peng-peng,Zhang, Fang,Sun, Song. Predation effect on copepods by the giant jellyfish Nemopilema nomurai during the early occurrence stage in May in the northern East China Sea and southern Yellow Sea, China[J]. MARINE POLLUTION BULLETIN,2023,186:15.
APA	Wang, Peng-peng,Zhang, Fang,&Sun, Song.(2023).Predation effect on copepods by the giant jellyfish Nemopilema nomurai during the early occurrence stage in May in the northern East China Sea and southern Yellow Sea, China.MARINE POLLUTION BULLETIN,186,15.
MLA	Wang, Peng-peng,et al."Predation effect on copepods by the giant jellyfish Nemopilema nomurai during the early occurrence stage in May in the northern East China Sea and southern Yellow Sea, China".MARINE POLLUTION BULLETIN 186(2023):15.