Study of alteration of nitrogen isotopic composition during microbial decomposition of lacustrine particulate organic matter

微生物分解湖相颗粒有机质过程中氮同位素组成的变化研究

• 批准号: 23810014
• 负责人: YOSHIMIZU Chikage
• 金额: $ 2.08万
• 依托单位: Kyoto University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Research Activity Start-up
• 财政年份: 2011
• 资助国家: 日本
• 起止时间: 2011 至 2012
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-23810014/
• 关键词: 窒素安定同位体比; 有機物分解; 琵琶湖; 窒素安定同位体

Measurement of stable nitrogen isotope ratio of particulate organicmatter in lakes can provide valuable insights into sources and past biologically mediated nitrogen reactions. Therefore, understandings of the factors controlling isotopic variability of particulate organic nitrogen are essential. This study showed some of factors controlling isotopic variability during decomposition process using compound-specific isotopic measurement technique.

测定湖泊颗粒有机物的稳定氮同位素比值可以为了解其来源和过去生物介导的氮反应提供有价值的见解。因此，了解控制颗粒有机氮同位素变异的因素是必要的。本研究利用特定化合物的同位素测量技术，揭示了在分解过程中控制同位素变异的一些因素。

项目成果

Alteration of nitrogen isotopic composition during microbial decomposition of suspended particulate organic matter in Lake Biwa

琵琶湖悬浮颗粒有机物微生物分解过程中氮同位素组成的变化

• 发表时间: 2012
• 作者: Yoshimizu;C. and I. Tayasu
• 通讯作者: C. and I. Tayasu