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Analysis of genetic diversity of tropical seagrasses: A comprehensiveunderstanding for the conservation

Research Project

Project/Area Number 22710235
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Resource conservation science
Research InstitutionShimane University (2012)
Kyoto University (2010-2011)

Principal Investigator

NAKAGAWA Masato  島根大学, 汽水域研究センター, 研究員 (60462206)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords生物多様性保全 / 集団遺伝学 / 海草藻場 / 遺伝的多様性 / 南西諸島 / 保全
Research Abstract

Genetic diversity and population structure were analyzed in three tropical seagrass species in Nansei Islands, Japan, aiming to obtain basic information for the conservation of seagrass meadows. In two species, any conservation unit was not recognized at the populations in the islands because of the lower genetic differentiation.Instead, the low genetic diversity suggested the presence of vulnerability to global climatic change. The rest species was revealed to contain multiple distinct genetic units, which required taxonomical revision including the morphological analysis.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (5 results)

All 2013 2012

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (2 results)

  • [Journal Article] 琉球列島における熱帯性海草類ベニアマモ、リュウキュウアマモ(シオニラ科)のアロザイム多型の解析2013

    • Author(s)
      中川昌人
    • Journal Title

      湿地研究

      Volume: 4巻

    • NAID

      130007622528

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] 琉球列島における熱帯性海草類ベニアマモ、リュウキュウアマモ(シオニラ科)のアロザイム多型の解析2013

    • Author(s)
      中川昌人
    • Journal Title

      湿地研究

      Volume: 4

    • NAID

      130007622528

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Flow cytometric assessment of cytotype distributions within local populations of Phragmites australis (Poaceae) around Lake Biwa, the largest lake in Japan2012

    • Author(s)
      MASATO NAKAGAWA, TOMOSHI OHKAWA, YUKO KANEKO
    • Journal Title

      Plant Species Biology

      Volume: 27(印刷中)

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Presentation] 琉球列島における熱帯性海草類ベニアマモ、リュウキュウアマモの遺伝的多様性2013

    • Author(s)
      中川昌人
    • Organizer
      日本植物分類学会第12回大会
    • Place of Presentation
      日本植物分類学会第12回大会
    • Related Report
      2012 Final Research Report
  • [Presentation] 琉球列島における熱帯性海草類ベニアマモ、リュウキュウアマモの遺伝的多様性2013

    • Author(s)
      中川昌人
    • Organizer
      日本植物分類学会第12回大会
    • Place of Presentation
      千葉大学(千葉市)
    • Related Report
      2012 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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