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Zooplankton abundance, biovolume and size spectra down to 3000 m depth in the western tropical North Pacific during autumn 2014
Dai, Luping1,2; Li, Chaolun1,2,3; Tao, Zhencheng1,2; Yang, Guang1,2; Wang, Xiaocheng1,2,3; Zhu, Mingliang4
2017-03-01
Source PublicationDEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
Volume121Pages:1-13
SubtypeArticle
AbstractIn this study, we evaluated the vertical distribution of the zooplankton abundance, biovolume, and size spectra down to greater depths (0-3000 m) in the Pacific western boundary currents of the western tropical North Pacific during autumn 2014 based on ZooScan measurements with samples obtained using a MultiNet system. Ranges of the integrated zooplankton abundance and biovolume through the water columns were 259.21560.6 hid. m(-3) and 121.1-851.0 mm(3) m(-3), respectively. Both the zooplankton abundance and biovolume decreased as the depth increased. The pattern of declining zooplankton abundance with depth was described better by a power regression model, whereas that of the biovolume fitted better to an exponential regression model. The slopes of the normalized biovolume size spectra for most samples (60/63) were lower than -1 (range from -1.11 to -0.25), which indicates that the zooplankton communities in the study area were characterized by low productivity and high energy transfer efficiency. Larger body size was observed with greater depth, which may be a strategy that has developed to increase buoyancy and reduce attacks by predators. Bray-Curtis cluster analysis based on the biovolume of zooplankton size classes of each taxonomic group at intervals of 1 (log(2) mm(3) ind.(-1)) between -8 and 13 classified the zooplankton communities into three groups, which basically coincided with the vertical patterns of the optical layers of water, i.e., the epipelagic zone, the mesopelagic zone, and the bathypelagic zone, respectively.
KeywordZooplankton Greater Depth Normalized Biovolume Size Spectra Western Tropical North Pacific Zooscan Multinet
DOI10.1016/j.dsr.2016.12.015
Indexed BySCI
Language英语
WOS IDWOS:000397693600001
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136785
Collection胶州湾海洋生态系统国家野外研究站
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.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Jiaozhou Bay Marine Ecosystem Res Stn, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Dai, Luping,Li, Chaolun,Tao, Zhencheng,et al. Zooplankton abundance, biovolume and size spectra down to 3000 m depth in the western tropical North Pacific during autumn 2014[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2017,121:1-13.
APA Dai, Luping,Li, Chaolun,Tao, Zhencheng,Yang, Guang,Wang, Xiaocheng,&Zhu, Mingliang.(2017).Zooplankton abundance, biovolume and size spectra down to 3000 m depth in the western tropical North Pacific during autumn 2014.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,121,1-13.
MLA Dai, Luping,et al."Zooplankton abundance, biovolume and size spectra down to 3000 m depth in the western tropical North Pacific during autumn 2014".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 121(2017):1-13.
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