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The spatial distribution of nutrient substance around the inundated forest in Lake Tonle Sap, Cambodia

Research Project

Project/Area Number 23701032
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Geography
Research InstitutionNihon University

Principal Investigator

OYAGI Hideo  日本大学, 文理学部, 助教 (50453866)

Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywordsトンレサップ湖 / カンボジア / 溶存酸素 / 水質 / 浸水林 / 熱帯湖 / 流量 / 水位変化 / シェムリアプ川 / 国際情報交流 / 季節変化 / 水位
Research Abstract

The characteristic inundated forest is broadly distributed over the circumference shoreline in Tonle Sap, and it is necessary to make clear the characteristic of water quality and ecological system to maintain the biodiversity. The purpose is seasonal changes in both concentration and constitution of nutrient substance and dissolved oxygen and around the area of inundated forest in Lake Tonle Sap, Cambodia.
Electrical Conductivity does not appear the difference by the rain and dry season. However, the spatial distributions of dissolved oxygen of the surface and river bed water of the value in this area were from 30 to 80% in the dry season. On the contrary, in the rainy season, the river bed water was measured from 0 to 50%. It is considered that it is caused by the respiration in plants and no motion of water on the river bed water in the rainy season.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (16 results)

All 2014 2013 2012 2011 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (12 results)

  • [Journal Article] Seasonal changes in water quality as affected by water level fluctuations in Lake Tonle Sap, Cambodia2014

    • Author(s)
      OYAGI Hideo, ENDOH Shuichi, et al
    • Journal Title

      Geographical Review of Japan

      Volume: 87(印刷中)

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] カンボジア・シェムリアプ川流域における陸水の水質特性2014

    • Author(s)
      大八木英夫・Hang Peou・塚脇真二
    • Journal Title

      日本大学文理学部自然科学研究所

      Volume: 49 Pages: 103-114

    • NAID

      40020383744

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] カンボジア・シェムリアプ川リュ域における陸水の水質特性2014

    • Author(s)
      大八木英夫・Hang Peou・塚脇真二
    • Journal Title

      日本大学文理学部自然科学研究所

      Volume: 49 Pages: 103-114

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Seasonal changes in water quality as affected by water level fluctuations in Lake Tonle Sap, Cambodia.2014

    • Author(s)
      OYAGI Hideo, ENDOH Shuichi, ISHIKAWA Toshiyuki, Yasuaki OKUMURA and TSUKAWAKI Shinji
    • Journal Title

      Geographical Review of Japan

      Volume: 87

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Presentation] The distribution of nutrient substance and dissolved oxygen around the inundated forest in Lake Tonle Sap2014

    • Author(s)
      Hideo OYAGI et al
    • Organizer
      Cambodia International Scientific Conference『 Water Sustainability : New Challenges and Solutions』【Commission for Water Sustainability, International Geographical Union】
    • Place of Presentation
      Dubrovnik (Croatia)
    • Year and Date
      2014-08-24
    • Related Report
      2013 Final Research Report
  • [Presentation] The distribution of nutrient substance and dissolved oxygen around the inundated forest in Lake Tonle Sap, Cambodia2014

    • Author(s)
      Hideo OYAGI, Hang PEOU and Shinji TSUKAWAKI
    • Organizer
      International Geographical Union
    • Place of Presentation
      Dubrovnik, Croatia
    • Related Report
      2013 Annual Research Report
  • [Presentation] カンボジア・シェムリアプ川およびトンレサップ湖浸水林帯における理化学的特性2013

    • Author(s)
      大八木英夫ほか
    • Organizer
      日本水文科学会
    • Place of Presentation
      千葉商科大学(千葉)
    • Year and Date
      2013-10-19
    • Related Report
      2013 Final Research Report
  • [Presentation] カンボジア・シェムリアプ川河口域における水質の季節変動2013

    • Author(s)
      大八木英夫ほか
    • Organizer
      日本地理学会2013年秋季学術大会
    • Place of Presentation
      福島大学(福島県)
    • Year and Date
      2013-09-29
    • Related Report
      2013 Final Research Report
  • [Presentation] カンボジア・シェムリアプ川およびトンレサップ湖浸水林帯における理化学的特性2013

    • Author(s)
      大八木英夫・Peou HANG・塚脇真二
    • Organizer
      日本水文科学会
    • Place of Presentation
      千葉商科大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] カンボジア・シェムリアプ川流域における水質の季節変動2012

    • Author(s)
      大八木英夫ほか
    • Organizer
      日本地理学会2012年秋季学術大会
    • Place of Presentation
      神戸大学(兵庫県)
    • Year and Date
      2012-10-07
    • Related Report
      2013 Final Research Report
  • [Presentation] Seasonal Change in the Water Quality around the Angkor Park, Cambodia, Cambodia2012

    • Author(s)
      OYAGI Hideo
    • Organizer
      IGC 2012(The 32dn International Geographical Congress)
    • Place of Presentation
      Cologne (Germany)
    • Year and Date
      2012-08-26
    • Related Report
      2013 Final Research Report
  • [Presentation] カンボジア・シェムリアプ川流域における水質の季節変動.2012

    • Author(s)
      大八木英夫・Hang Peou・塚脇真二
    • Organizer
      日本地理学会
    • Place of Presentation
      神戸大学
    • Related Report
      2012 Research-status Report
  • [Presentation] カンボジア・トンレサップ湖における水温・水質の空間的分布について2011

    • Author(s)
      大八木英夫ほか
    • Organizer
      日本地理学会2011年秋季学術大会
    • Place of Presentation
      大分大学(大分県)
    • Year and Date
      2011-09-23
    • Related Report
      2013 Final Research Report
  • [Presentation] The behavior of arsenic with seasonal change in water level around Lake Tonle Sap, Cambodia2011

    • Author(s)
      OYAGI Hideo et al
    • Organizer
      The 18th Congress of the International Union for Quaternary Research
    • Place of Presentation
      Bern (Swiss)
    • Year and Date
      2011-07-27
    • Related Report
      2013 Final Research Report
  • [Presentation] カンボジア・トンレサップ湖における水温・水質の空間的分布について2011

    • Author(s)
      大八木 英夫*, HANG Peou, 塚脇 真二
    • Organizer
      日本地理学会
    • Place of Presentation
      大分大学
    • Related Report
      2011 Research-status Report
  • [Presentation] Seasonal Change in the Water Quality around the Angkor Park, Cambodia.

    • Author(s)
      Oyagi Hideo
    • Organizer
      International Geographical Union (IGU), Cologne,Germany
    • Place of Presentation
      Germany
    • Related Report
      2012 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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