Meta-population dynamics of plants under fluctuating environment-A mathematical analysis on the relationship between disturbance intensity and extinction probability.-

• Project/Area Number: 19570011
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Ecology/Environment
• Research Institution: Hokkaido University
• Principal Investigator: TAKADA Takenori Hokkaido University, 大学院・地球環境科学研究院, 教授 (80206755)
• Co-Investigator(Kenkyū-buntansha): OHARA Masashi 北海道大学, 大学院・地球環境科学研究院, 教授 (90194274) ; KANEKO Yuko 琵琶湖環境科学研究センター, 琵琶湖環境研究部門, 専門研究員 (90280817)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2007: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
• Keywords: 個体群 / 集団維持機構 / コンピュータシミュレーション / 植物集団 / 時空間的変動 / 絶滅確率 / 分散率

Research Abstract

本研究で対象としている生活史の異なる木本種2種(トチノキ, サワグルミ)、林床植物3種(エンレイソウ、オオバナノエンレイソウ、オオウバユリ、スズラン)について、その生物集団の動態の解析を行った。生存率、成長率、繁殖率の撹乱などによる時間空間的変動が集団の増加率に与える影響を評価する従来の方法について検討が加えられ、近年発展した生命表反応実験(LTRE)という手法を用いる解析をおこなった。また、その結果をもとに絶滅確率を求める新たな手法を開発した。

Research Products

• [Journal Article] Demographic-genetic studies of a clonal plant Convallaria keiskei (2009)
  • Author(s): Araki, K., Shimatani, K. and Ohara, M.
  • Journal Title: spatial structure and growth pattern of ramets and genets. Annals of Botany (in press)
  • Peer Reviewed
• [Journal Article] The evolution of self-compatible and self-incompatible populations in a hermaphroditic perennial Trillium camschatcense, (Melanthiaceae) (2009)
  • Author(s): Kubota, S. and Ohara, M.
  • Journal Title: Journal of Plant Research (in press)
  • Peer Reviewed
• [Journal Article] 琵琶湖西岸流域におけるタブノキ個体群の分布と保全 (2009)
  • Author(s): 前迫ゆり・藤脇崇裕・金子有子
  • Journal Title: 大阪産業大学紀要 (印刷中)
  • Peer Reviewed
• [Journal Article] ヨシ原保全 : 何に配慮すべきなのだろうか? とりもどせ! (2009)
  • Author(s): 金子有子
  • Journal Title: 琵琶湖淀川の原風景-琵琶湖・淀川の生物多様性保全に向けて-.西野麻知子編著 (印刷中) Pages: 31-48
• [Journal Article] サワグルミ.日本樹木誌1巻 (2009)
  • Author(s): 金子有子
  • Journal Title: 大住克博・山中典和他編著.日本林業調査会.東京 (印刷中)
  • Peer Reviewed
• [Journal Article] Conditionunder which male-to male aggressioncompromises cooperation in a game without learning (2009)
  • Author(s): Saito, Y. & Takada. T.
  • Journal Title: Open Evolution Journal 3 Pages: 1-7
  • Peer Reviewed
• [Journal Article] The stratification theory for plant coexistence promoted by one-sided competition (2009)
  • Author(s): Kohyama, T. & Takada, T.
  • Journal Title: Journal of ecology 97 Pages: 463-471
  • Peer Reviewed
• [Journal Article] Spatial connectivity and scaling for populations and communities (2009)
  • Author(s): Noda, T., Nakaoka, M, & Takada, T.
  • Journal Title: Population ecology 51 Pages: 3-4
  • NAID: 10023984116
  • Peer Reviewed
• [Journal Article] Breeding system and floral visitors of Veratrum album subsp. oxysepalum(Melanthiaceae) (2009)
  • Author(s): Kato, Y., Araki, K. and Ohara, M.
  • Journal Title: Plant Species Biology 24 Pages: 42-46
  • Peer Reviewed
• [Journal Article] The stratification theory for plant coexistence promoted by one-sided competition (2009)
  • Author(s): Kohyama, T & Takada, T.
  • Journal Title: Journal of Ecology 97 Pages: 463-471
  • Peer Reviewed
• [Journal Article] Conditions Under which Male-to-Male Aggression Compromises Cooperation in a Game without Learning (2009)
  • Author(s): Saito, Y. & Takada, T.
  • Journal Title: The open evolution journal 3 Pages: 1-6
  • Peer Reviewed
• [Journal Article] Population Dynamics and Its Key Stages of Two Japanese Riparian Elements (2008)
  • Author(s): Kaneko, Y. & Takada, T.
  • Journal Title: In : Ecology of riparian forests in Japan: Disturbance, life-history and re-generation. Springer-Verlag, Tokyo
  • Peer Reviewed
• [Journal Article] Reproductive demography of ramets andgenets in a rhizomatous clonal plant Convallaria keiskei (2008)
  • Author(s): Araki, K. and Ohara, M.
  • Journal Title: Journal of Plant Research 121 Pages: 147-154
  • Peer Reviewed
• [Journal Article] Development of microsatellite markers in a large perennial herb, Veratrum album subsp. Oxysepalum (2008)
  • Author(s): Kato, Y., Araki, K., Kubota, S. and Ohara, M.
  • Journal Title: Molecular Ecology Resources 8 Pages: 996-997
  • Peer Reviewed
• [Journal Article] Adaptivesignificance of self-fertilization in a hermaphroditic perennial, Trillium camschatcense (Melanthiaceae) (2008)
  • Author(s): Kubota, S., Kameyama, Y., Hirao, A. S. and Ohara, M.
  • Journal Title: American Journal of Botany 95 Pages: 482-489
  • Peer Reviewed
• [Journal Article] 琵琶湖におけるミズヒマワリ(キク科)の侵入とその現状および駆除に関するノート (2008)
  • Author(s): 藤井伸二・志賀隆・金子有子・栗林実・野間直彦
  • Journal Title: 水草研究会誌 89 Pages: 9-21
  • NAID: 40016002101
• [Journal Article] Reproductive demography of ramets and genets in a rhizomatous clonal plant Canvallaria keiskei (2008)
  • Author(s): Araki, K. & Ohara, M
  • Journal Title: Journal of Plant Research 121 Pages: 147-154
  • Peer Reviewed
• [Journal Article] Reproductive demography of ramets and genets in a rhizomatous clonal plant Convallaria keiskei. (2008)
  • Author(s): Araki, K. and Ohara, M.
  • Journal Title: Journal of Plant Research 121 Pages: 147-154
  • Peer Reviewed
• [Journal Article] Adaptive significance of self-fertilization in a hermaphroditic perennial, Trillium camschatcense(Melanthiaceae). (2008)
  • Author(s): Kubota, S., Kameyama, Y., Hirao and Ohara, M
  • Journal Title: American Journal of Botany 95 Pages: 482-489
  • Peer Reviewed
• [Journal Article] Population Dynamics and Its Key Stages of Two Japanese Riparian Elements. (2008)
  • Author(s): Kaneko, Y. & Takada, T.
  • Journal Title: Ecology of riparian forests in Japan: Disturbance, life-history and regeneration, Springer (In press)
  • Peer Reviewed
• [Presentation] オオバナノエンレイソウにおける雄性不稔個体が集団の繁殖様式に与える影響 (2009)
  • Author(s): 久保田渉誠・大原雅
  • Organizer: 第56回日本生態学会
  • Place of Presentation: 岩手県立大学
  • Year and Date: 2009-03-19
• [Presentation] 一回繁殖型植物オオウバユリの繁殖特性が集団遺伝構造に与える影響 (2009)
  • Author(s): 西澤美幸・九夏雅
  • Organizer: 第56回日本生態学会
  • Place of Presentation: 岩手県立大学
  • Year and Date: 2009-03-19
• [Presentation] Detecting key processes of tree population dynamics using projection matrices and the relationships among demographic parameters, retrospective and prospective analyses (2009)
  • Author(s): Kaneko, Y
  • Organizer: 第56回日本生態学会大会
  • Place of Presentation: 盛岡
  • Year and Date: 2009-03-18
• [Presentation] Detecting key processes of tree population dynamics using projection matrices and the relationship among demographic parameters (2009)
  • Author(s): Kaneko, Y.
  • Organizer: 第56回日本生態学会
  • Place of Presentation: 岩手大学、盛岡
  • Year and Date: 2009-03-18
• [Presentation] 多層構造系の二種共存安定解析 (2009)
  • Author(s): 高田壮則・甲山隆司・中島久男
  • Organizer: 第56回日本生態学会
  • Place of Presentation: 盛岡
  • Year and Date: 2009-03-17
• [Presentation] 日本列島におけるトチノキ(Aesculusturbinata)の系統地理 (2009)
  • Author(s): 菅原可奈子・金子有子・瀬戸口浩彰
  • Organizer: 日本植物分類学会第8回大会
  • Place of Presentation: 仙台
  • Year and Date: 2009-03-13
• [Presentation] オオバナノエンレイソウにおける雄性不稔化現象とその適応的意義 (2008)
  • Author(s): 久保田渉誠・大原雅
  • Organizer: 第40回日本種生物学シンポジウム
  • Place of Presentation: 茨城県守谷市デュープレックスセミナーホテル
  • Year and Date: 2008-12-06
• [Presentation] 雑種起源種コジマエンレイソウの葉緑体DNAに基づく地域集団の系統解析 (2008)
  • Author(s): 山岸洋貴・久保田渉誠・大原雅
  • Organizer: 第72回日本植物学会
  • Place of Presentation: 高知大学朝倉キャンパス
  • Year and Date: 2008-09-25
• [Presentation] オオウバユリにおける栄養繁殖体形成の意義 (2008)
  • Author(s): 西澤美幸・大原雅
  • Organizer: 第72回日本植物学会
  • Place of Presentation: 高知大学朝倉キャンパス
  • Year and Date: 2008-09-25
• [Presentation] Shigeaki Hasegawa, Masahiro Ishikawa., The algorithm to obtain annual transition matrix inland-use model (2008)
  • Author(s): Takenori Takada, Asako Miyamoto
  • Organizer: 第18回日本数理生物学会
  • Place of Presentation: 京都
  • Year and Date: 2008-09-17
• [Presentation] How should we obtain optimal leaf longevity, based on numerical calculation of cost-benefit model? (2008)
  • Author(s): Tomohiko Yoshida, Takenori Takada
  • Organizer: 第18回日本数理生物学会
  • Place of Presentation: 京都
  • Year and Date: 2008-09-17
• [Presentation] How should we obtain optimal leaf longevity, based on numerical calculation of cost-benefit model? (2008)
  • Author(s): Yoshida, T. & Takada, T.
  • Organizer: 第18回日本数理生物学会
  • Place of Presentation: 同志社大学、京都
  • Year and Date: 2008-09-17
• [Presentation] Does one-sided competition contribute to the multi-layer transition system? (2008)
  • Author(s): Takada, T., Nakajima,H, Kohyama, T
  • Organizer: Second China-Japan Colloquium of Mathematical Biology
  • Place of Presentation: Okayama University, Okayama
  • Year and Date: 2008-08-05
• [Presentation] 琵琶湖におけるミズヒマワリの侵入とその現状について (2008)
  • Author(s): 藤井伸二・志賀隆・金子有子・栗林実・野間直彦
  • Organizer: 水草研究会第30回全国集会
  • Place of Presentation: 大津
  • Year and Date: 2008-08-03
• [Presentation] Growth and survival patterns of a monocarpic perennial herb Cardiocrinum cordatum var. glehnii (Liliaceae), based on the 13-year monitoring study. (2008)
  • Author(s): Ohara, Masashi・Araki, Kiwako・Shimatani, Kenichir
  • Organizer: BOTANY 2008
  • Place of Presentation: ブリティッシュコロンビア大学
  • Year and Date: 2008-07-28
• [Presentation] Edge effects on demography of aperennial understory herb (2008)
  • Author(s): Yamagishi, Hiroki・Tomimatsu, Hiroshi・Ohara, Masashi
  • Organizer: Trillium camschatcense, within small forest fragments. BOTANY 2008
  • Place of Presentation: ブリティッシュコロンビア大学
  • Year and Date: 2008-07-28
• [Presentation] The evolution of self-incompatible and self-compatoble populations in a hermaphroditic perennial, Trillium camschatcense : Which is the derivative? (2008)
  • Author(s): Kubota, Shosei・Ohara, Masashi
  • Organizer: BOTANY 2008
  • Place of Presentation: ブリティッシュコロンビア大学
  • Year and Date: 2008-07-28
• [Presentation] 日本産リュウノヒゲモの遺伝的多様性について (2008)
  • Author(s): 金子有子・川瀬大樹・浜端悦治・神谷要
  • Organizer: 第55回日本生態学会大会
  • Place of Presentation: 福岡
  • Year and Date: 2008-03-19
• [Presentation] オオバナノエンレイソウにおける繁殖様式の進化-雄蕊矮小化個体の意義- (2008)
  • Author(s): 久保田渉誠・大原雅
  • Organizer: 第55回日本生態学会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2008-03-16
• [Presentation] 生育地の孤立・分断化によるエッジ効果が林床性多年生草本の個体群動態に与える影響 (2008)
  • Author(s): 山岸洋貴・富松裕・大原雅
  • Organizer: 第55回日本生態学会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2008-03-15
• [Presentation] クローナル植物スズランにおけるラメットの成長・更新とジェネット成長の関係 (2008)
  • Author(s): 荒木希和子・島谷健一郎・大原雅
  • Organizer: 第55回日本生態学会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2008-03-15
• [Presentation] 海進の影響を受けた石狩低地帯におけるオオバナノエンレイソウの集団分化に関する研究 (2008)
  • Author(s): 内藤弥生・佐藤志津子・大原雅
  • Organizer: 第55回日本生態学会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2008-03-15
• [Presentation] Derivation of yearly transition matrix of land-use dynamics and its applications (2008)
  • Author(s): T., Takada, A., Miyamoto, S. Hasegawa
  • Organizer: 日本生態学会第55回大会
  • Place of Presentation: 福岡
  • Year and Date: 2008-03-15
• [Presentation] 日本産リュウノヒゲモの遺伝的多様性について (2008)
  • Author(s): 金子有子、浜端悦治、川瀬大樹、神谷要
  • Organizer: 日本生態学会
  • Place of Presentation: 福岡国際会議場
• [Presentation] オオバナノエンレイソウにおける繁殖様式の進化-自家和合性から自家不和合性の進化- (2007)
  • Author(s): 久保田渉誠・大原雅
  • Organizer: 第39回種生物学シンポジウム
  • Place of Presentation: 神戸市六甲山YMCA
  • Year and Date: 2007-12-01
• [Presentation] カワウ生息地における植生景観の変遷 (2007)
  • Author(s): 前迫ゆり・金子有子
  • Organizer: 植生学会第12回大会
  • Place of Presentation: 岡山
  • Year and Date: 2007-10-05
• [Presentation] 一回繁殖型多年草オオウバユリの成長様式と死亡パターン (2007)
  • Author(s): 荒木希和子・大原雅
  • Organizer: 第71回日本植物学会
  • Place of Presentation: 東京理科大学野田キャンパス
  • Year and Date: 2007-09-09
• [Presentation] Local stability analysis of multi-layer system (2007)
  • Author(s): Takada, T., Kohyama, T. and Nakajima, H
  • Organizer: International Conference on Mathematical and Theoretical Biology
  • Place of Presentation: San Jose, USA
  • Year and Date: 2007-08-03
• [Presentation] Local stability analysis of multi-layer system (2007)
  • Author(s): Takada, T.
  • Organizer: International Conference on Mathematical and Theoretical Biology
  • Place of Presentation: Fairmont Hotel, San Jose, USA
• [Presentation] 樹木の展葉・落葉時期の最適戦略について (2007)
  • Author(s): 高田 壮則
  • Organizer: 種生物学会
  • Place of Presentation: 六甲山YMCA(神戸)
• [Book] 「植物個体群動態の数理モデル」「数理生物学要論シリーズ1」(日本数理生物学会編) (2008)
  • Author(s): 高田壮則
  • Total Pages: 224
  • Publisher: 共立出版