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

Research Project

Project/Area Number 23810014
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Environmental dynamic analysis
Research InstitutionKyoto University

Principal Investigator

YOSHIMIZU Chikage  京都大学, 生態学研究センター, 研究員 (50609394)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords窒素安定同位体比 / 有機物分解 / 琵琶湖 / 窒素安定同位体
Research Abstract

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.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • Research Products

    (2 results)

All 2012 Other

All Presentation (2 results)

  • [Presentation] Alteration of nitrogen isotopic composition during microbial decomposition of suspended particulate organic matter in Lake Biwa2012

    • Author(s)
      Yoshimizu, C. and I. Tayasu
    • Organizer
      ASLO Aquatic Sciences Meeting 2012
    • Place of Presentation
      Otsu, Japan.
    • Year and Date
      2012-07-12
    • Related Report
      2012 Final Research Report
  • [Presentation] Alteration of nitrogen isotopic composition during microbial decomposition of suspended particulate organic matter in Lake Biwa

    • Author(s)
      Chikage Yoshimizu
    • Organizer
      ASLO Aquatic Sciences Meeting 2012
    • Place of Presentation
      滋賀県大津市びわ湖ホール
    • Related Report
      2012 Annual Research Report

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Published: 2011-09-05   Modified: 2019-07-29  

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