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Comparative study of trophic and elemental characteristics of zooplankton in deep (500-3500 m) and shallow (0-200 m) layers
Chen, Lei1,2,3,4; Li, Chaolun1,2,3,4; Tao, Zhencheng2,3; Dai, Luping2,3; Wang, Yanqing2,3; Cheng, Fangping2,3; Wang, Xiaocheng2,3,4
2018-12-01
发表期刊DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
ISSN0967-0637
卷号142页码:107-115
文章类型Article
摘要The deep sea has limited food resources and is considered one of the most rigorous environments on Earth. In contrast, zooplankton and their food supply are abundant in shallow sea layers. In this study, the trophic and elemental characteristics of zooplankton taxa in the deep and shallow layers were explored with respect to trophic position, trophic niche overlap among taxa, and growth performance. Our results showed that higher values of delta N-15 were detected in most taxa or taxa groups in the deep layer compared to similar taxa in the shallow layer, indicating that depth-dependent delta N-15 values existed in most zooplankton taxa. A lower isotopic niche overlap was detected among taxa in the shallow layer, since the overlap of SEAc (standard ellipse area corrected for small sample sizes) between pairs of taxa was lower in the shallow layer than in the deep layer. In the deep layer, SEAc values of taxa were higher than those in the shallow layer respectively, showing higher isotopic niche widths. This could be due to the high trophic diversity of each taxa in the deep layer and the area sampled actually including at least two zones (mesopelagic and bathypelagic). From an ecological stoichiometry perspective, most taxonomic groups in the deep layer exhibited higher C:P and N:P ratios than similar taxa in the shallow layer, suggesting lower maximal growth rates in the deep layer. Lower growth rates potentially reduce the consumption of limited resources in the deep layer, and higher growth rates in the shallow layer facilitate the rapid exploitation of abundant resources and allow zooplankton to flourish.
关键词Deep and shallow sea Trophic position Trophic niche overlap Ecological stoichiometry
学科领域Oceanography
DOI10.1016/j.dsr.2018.10.003
收录类别SCIE
语种英语
WOS研究方向Oceanography
WOS记录号WOS:000453491000009
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:1[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/337002/157511
专题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, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Ctr Deep Sea Res, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
5.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
第一作者单位中国科学院海洋研究所;  深海极端环境与生命过程研究中心
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GB/T 7714
Chen, Lei,Li, Chaolun,Tao, Zhencheng,et al. Comparative study of trophic and elemental characteristics of zooplankton in deep (500-3500 m) and shallow (0-200 m) layers[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2018,142:107-115.
APA Chen, Lei.,Li, Chaolun.,Tao, Zhencheng.,Dai, Luping.,Wang, Yanqing.,...&Wang, Xiaocheng.(2018).Comparative study of trophic and elemental characteristics of zooplankton in deep (500-3500 m) and shallow (0-200 m) layers.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,142,107-115.
MLA Chen, Lei,et al."Comparative study of trophic and elemental characteristics of zooplankton in deep (500-3500 m) and shallow (0-200 m) layers".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 142(2018):107-115.
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