Assessment and future projection of the impact of tropical forest fragmentation on phylogenetic diversity and phylogenetic community structure
| Project/Area Number |
17K15175
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Biodiversity/Systematics
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| Research Institution | National Institute for Environmental Studies (2019-2022)
University of the Ryukyus (2017-2018) |
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Principal Investigator |
Toyama Hironori 国立研究開発法人国立環境研究所, 生物多様性領域, 特別研究員 (00571837)
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| Project Period (FY) |
2017-04-01 – 2023-03-31
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| Project Status |
Completed (Fiscal Year 2022)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | マレーシア / 植生調査 / 種同定 / 誤同定 / 多様性評価 / DNAバーコーディング / 熱帯林伐採 / 熱帯林断片化 / 系統的多様性 / 系統的群集構造 |
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| Outline of Final Research Achievements |
Specimens of plot trees, established in small protected forests called "plau" (meaning 'island') in Borneo, Malaysia, were collected for species identification using DNA barcoding (rbcL + matK) and to assess species richness and phylogenetic diversity. A total of 1259 plot trees were checked the identification, and a diversity assessment was conducted in the Limau area (3 plots, 542 individuals), where specimens could be imported. The species richness was recorded as 82, 80, and 77, while the phylogenetic diversity was calculated as 2913, 3058, and 2741 (in million years), respectively. Although these findings are preliminary, a comparison of species richness before and after species identification based on the specimens collected in this study, indicated no significant changes. However, there were differences of approximately 10% at the family level, 30% at the genus level, and 60% at the species level.
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| Academic Significance and Societal Importance of the Research Achievements |
落ち葉標本や幹の形質を利用した種同定では、科レベルで誤同定が生じてしまっていた。特に熱帯では高木になる種が多いため、この問題は顕著であることが予想される。多様性評価のためには、きちんと標本を採集し、それに基づいた種同定を行う必要性がある。
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Report
(7 results)
Research Products
(52 results)
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[Journal Article] 沖縄県西表島における外来植物目録2022
Author(s)
梶田結衣, 米倉浩司, 遠山弘法, 赤井賢成, 天野正晴, 阿部篤志, 山本武能, 設樂拓人, 齊藤由紀子, 横田昌嗣, 内貴章世
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Journal Title
大阪市立自然史博物館研究報告
Volume: 76
Pages: 125-141
Related Report
Peer Reviewed / Open Access
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[Journal Article] <i>Claoxylon langbiangense </i>(Euphorbiaceae), a New Species from Southern Vietnam2021
Author(s)
Ai Nagahama, Shuichiro Tagane, Meng Zhang, Nguyen Van Ngoc, Hoang Thi Binh, Truong Quang Cuong, Hidetoshi Nagamasu, Hironori Toyama, Kojin Tsuchiya, Tetsukazu Yahara
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Journal Title
Acta phytotaxonomica et geobotanica
Volume: 72
Issue: 3
Pages: 275-280
DOI
NAID
ISSN
1346-7565, 2189-7042
Year and Date
2021-10-31
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Evaluating the genetic diversity in two tropical leguminous trees, <i>Dalbergia cochinchinensis</i> and <i>D. nigrescens</i>, in lowland forests in Cambodia and Thailand using MIG-seq2021
Author(s)
Hirata M, Mitsuyuki C, Moritsuka E, Chhang P, TaganeS, Toyama H, Sokh H, Rueangruea S, Suddee S, Suyama Y, Yahara T, Teshima MK, Tachida H and Kusumi J
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Journal Title
Genes & Genetic Systems
Volume: 96
Issue: 1
Pages: 41-53
DOI
NAID
ISSN
1341-7568, 1880-5779
Year and Date
2021-02-01
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Fifteen New Species of Angiosperms from Bidoup-Nui BaNational Park, Southern Highlands of Vietnam2020
Author(s)
Tagane S, Ngoc NV, Binh HT, Nagahama A, Zhang M, Cuong TQ, Son LV, Dang VS, Toyama H, Komada N, Nagamasu H and Yahara T
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Journal Title
Acta phytotaxonomica et geobotanica
Volume: 71
Issue: 3
Pages: 201-229
DOI
NAID
ISSN
1346-7565, 2189-7042
Year and Date
2020-10-31
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] The effects of water pollution on the phylogenetic community structure of aquatic plants in the East Tiaoxi River, China.2020
Author(s)
Toyama H, Bessho K, Huang L, Hirota KS, Kano Y, Mase K, Sato T, Naiki A, Li J, Shimatani Y and Yahara T
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Journal Title
Freshwater Biology
Volume: 65
Issue: 4
Pages: 632-645
DOI
Related Report
Peer Reviewed / Int'l Joint Research
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[Journal Article] Two New Species of <i>Neolitsea </i>(Lauraceae), <i>N. kraduengensis </i>from Thailand and <i>N. vuquangensis </i>from Vietnam and an Analysis of their Phylogenetic Positions using ITS sequences2018
Author(s)
Mitsuyuki C, Tagane S, Ngyuen VN, Hoang TB, Suddee S, Ruangruea S, Toyama H, Mase K, Yang C, Naiki A and Yahara T
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Journal Title
Acta phytotaxonomica et geobotanica
Volume: 69
Issue: 3
Pages: 161-173
DOI
NAID
ISSN
1346-7565, 2189-7042
Year and Date
2018-10-31
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Book] A Picture Guide for the Flora of Bidoup-Nui Ba National Park I: Mt. Langbian2019
Author(s)
Nagahama A, Tagane S, Nguyen VN, Hoang TB, Truong QC, Toyama H,Nagamasu H, Tsuchiya K, Zhang M, Suyama Y, Moritsuka E, Nguyen TAT, Nguyen CT, Matsuo A, Hirota S, Naiki A, Le VS, Pham HN and Yahara T
Total Pages
134
Publisher
Center for Asian Conservation Ecology
Related Report
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[Book] A Picture Guide of Forest Plants in Gunung Gede Pangrango National Park, Indonesia2018
Author(s)
Toyama H, Tagane S, Darnaedi D, Djamaluddin I, Ardiyani M, Hidayat A, Ashari AJ, Ichihashi R, Naiki A, Nagamasu H and Yahara T
Total Pages
380
Publisher
Center for Asian Conservation Ecology, Kyushu University
Related Report
