Developing triple (13C, 15N, 34S) stable isotope analysis as a tool in aquatic food web studies: seagrass meadows as model system (TRIAS)

开发三重（13C、15N、34S）稳定同位素分析作为水生食物网研究的工具：海草草甸作为模型系统（TRIAS）

• 批准号: 159234106
• 负责人: Professor Dr. Ulrich Sommer
• 金额: --
• 依托单位: GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2010
• 资助国家: 德国
• 起止时间: 2009-12-31 至 2014-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/159234106?language=en
• 关键词: Developing; triple; 13C; 15N; 34S

It is the goal of this study, to establish triple (13C, 15N, 34S) stable isotope analysis as a tool for the analysis of aquatic food webs. The triple isotope analysis has a particular potential for wood webs which are characterized by bentho-pelagic coupling, as it is typical for coastal and shallow seas. We will use a seagrass meadow in the vicinity of Kiel and the overlying water column as a model system. This model system is chosen because seagrass meadows- are among the most productive marine ecosystems- are important nursery grounds for fish and other fauna- are globally endangered- are complex systems in terms of the diversity of number of basal carbon sources and of bentho-pelagic coupling.During 2 growth seasons, all important components of the food web will be sampled for subsequent stable isotope analysis and analysis of fatty acids as indicators of trophic relationships.

本研究的目标是建立三重（13C、15N、34S）稳定同位素分析作为水生食物网分析的工具。三重同位素分析对于以底栖-中上层耦合为特征的木网具有特殊的潜力，因为它是沿海和浅海的典型特征。我们将使用基尔附近的海草草地和上覆水柱作为模型系统。选择该模型系统是因为海草草甸 - 是生产力最高的海洋生态系统之一 - 是鱼类和其他动物的重要繁殖地 - 是全球濒临灭绝的 - 就基础碳源数量的多样性和底栖-中上层耦合而言是复杂的系统。在 2 个生长季节期间，将对食物网的所有重要组成部分进行采样，用于随后的稳定同位素分析和脂肪分析 酸作为营养关系的指标。

项目成果

Temporal dietary shift in jellyfish revealed by stable isotope analysis

稳定同位素分析揭示水母饮食的暂时转变

• DOI: 10.1007/s00227-016-2892-0
• 发表时间: 2016
• 期刊: Marine Biology
• 影响因子: 2.4
• 作者: Jamileh Javidpour;Ashlie N Cipriano;A Mittermayr;Jan Dierking
• 通讯作者: Jan Dierking