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| Regional patterns of delta C-13 and delta N-15 stable isotopes of size-fractionated zooplankton in the western tropical North Pacific Ocean | |
Yang, Guang1; Li, Chaolun1,2,3 ; Guilini, Katja4; Wang, Xiaocheng1,2; Wang, Yanqing1
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| 2017-02-01 | |
| 发表期刊 | DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
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| 卷号 | 120页码:39-47 |
| 文章类型 | Article |
| 摘要 | Zooplankton play a prominent role in the biogeochemical cycles of marine ecosystems. Little is known about the trophodynamics of zooplankton in response to geographic patterns in isotopic baselines and physical processes in the western tropical North Pacific. In this study, stable isotope ratios of five size fractions of zooplankton (100 to > 2000 mu m) from different current regions in the western tropical North Pacific Ocean were analyzed. Both delta C-13 and delta N-15 isotopic values increased with zooplankton size class. The largest zooplankton group (> 2000 mu m), with a diverse composition, showed relatively higher stable isotope signatures, covering a wider range. Regional variations in the zooplankton stable isotope signatures were similar across all size classes, with generally higher values in the North Equatorial Counter Current (NECC) and the North Equatorial Current (NEC) and lower values in the Subtropical Counter Current (STCC). These regional patterns of zooplankton isotope signatures were consistent with the variation of oceanographic features (temperature, salinity, nutrients, chlorophyll a) and were also related to the isotopic baselines of particulate organic matter (POM) in the different current regions. Moreover, the nitrogen-fixing cyanobacteria Trichodesmium spp. may be the main contributor to low delta N-15 values in the STCC. The results of this study demonstrate the influence of physical processes on the stable isotopic signatures of zooplankton. This baseline information is crucial for future food web studies in the western tropical North Pacific Ocean. |
| 关键词 | Stable Isotopes Size-fractionated Zooplankton Western Pacific Ocean Isotopic Baseline Current |
| DOI | 10.1016/j.dsr.2016.12.007 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000394404100004 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 版本 | 出版稿 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/136410 |
| 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 Naihai Rd, Qingdao 266071, Peoples R China 2.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China 3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 4.Univ Ghent, Dept Biol, Marine Biol Res Grp, Krijgslaan 281-S8, B-9000 Ghent, Belgium |
| 推荐引用方式 GB/T 7714 | Yang, Guang,Li, Chaolun,Guilini, Katja,et al. Regional patterns of delta C-13 and delta N-15 stable isotopes of size-fractionated zooplankton in the western tropical North Pacific Ocean[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2017,120:39-47. |
| APA | Yang, Guang,Li, Chaolun,Guilini, Katja,Wang, Xiaocheng,&Wang, Yanqing.(2017).Regional patterns of delta C-13 and delta N-15 stable isotopes of size-fractionated zooplankton in the western tropical North Pacific Ocean.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,120,39-47. |
| MLA | Yang, Guang,et al."Regional patterns of delta C-13 and delta N-15 stable isotopes of size-fractionated zooplankton in the western tropical North Pacific Ocean".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 120(2017):39-47. |
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| Regional patterns of（1045KB） | 期刊论文 | 出版稿 | 限制开放 | CC BY-NC-SA | 浏览 | |
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