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
发表期刊DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
卷号121页码:1-13
文章类型Article
摘要In 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.
关键词Zooplankton Greater Depth Normalized Biovolume Size Spectra Western Tropical North Pacific Zooscan Multinet
DOI10.1016/j.dsr.2016.12.015
收录类别SCI
语种英语
WOS记录号WOS:000397693600001
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136785
专题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
作者单位1.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
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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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