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1999 Fiscal Year Final Research Report Summary

Studies on mass speciation in response to major climatic events in the Cenozoic

Research Project

Project/Area Number 09440179
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Stratigraphy/Paleontology
Research InstitutionNagoya University

Principal Investigator

OZAWA Tomowo  Nagoya University, Graduate School of Science, Professor, 大学院・理学研究科, 教授 (80037233)

Co-Investigator(Kenkyū-buntansha) NOBUHARA Takami  Nagoya University, Graduate School of Science, Research Associate, 大学院・理学研究科, 助手 (30262843)
KUMAZAWA Yoshinori  Nagoya University, Graduate School of Science, Research Associate, 大学院・理学研究科, 助手 (60221941)
Project Period (FY) 1997 – 1999
KeywordsCenozoic / environmental change / mass speciation / Mollusca / Mammal / extinction / mitochondrial DNA / phylogeny
Research Abstract

Molecular phylogenetic analyses were made for a number of animal groups including terrestrial and marine mammals (Cervidae, Bovidae, Suidae, Sirenians, Cetacea, Pinnipedians), euteleostean Perciforms and marine gastropods (Umboniinae, Turbiniidae, Potamididae, Batillariidae and Buccinidae), based on the nucleotide sequence data of mitochondrial 12s and 16s rRNA genes and cytochrome b gene.
Our phylogenetic analyses revealed that speciation events occurred synchronously among a number of animal group in both terrestrial and marine ecosystems, suggesting that this mass- speciation events were induced by the major climatic events in the Cenozoic.
In this study, a new schema on the chlonological and geographical distribution of the Japanese Neogene and Quaternary shallow marine warm-water molluscan faunas is also presented in relation to the Neogene warmmarine climatic events in the Pacific.
The present study revealed that many warm-water species invaded from the south into the mid-latitudes during the warm events and their settlements and geographical isolation around the Japanese Islands after the climatic optima led to mass-speciation. The warm events repeatedly made renewal of the faunal composition and finally have established the preset-day Kuroshio fauna. In this study we summarized the range charts of the Neogene and Quaternary marine molluscs in Japan to show clearly the facts of mass-speciation events. Papers on the molecular phylogenetic analysis of the Cervidae, Cetaceans and euteleostean Perciforms were published on the international scientific journals and text-book.

  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] 中村羊大、亀尾浩司、浅原良浩、小澤智生: "琉球列島久米島に分布する新第三系島尻層群の層序と地質年代"地質学雑誌. 105・11. 757-770 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 延原尊美、田中貴也: "静岡県の上部鮮新統大日層から産出したハイエナイモガイの新亜種"貝類学雑誌Venus. 58・3. 129-143 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kumazawa, Y., Yamaguchi, M. and Nishida, M.: "Mitochondrial molecular clocks and the origin of Euteostean biodiversity : Familial radiation of Perciforms may have predated the Cretaceous/Tertiary boundary"In M. Kato(ed), The Biology of Biodiversity, Springer. 1. 35-52 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kuwayama, R. and Ozawa, T.: "Phylogenetic releationship between European red deer, Wapiti and Sika deer, inferred from mitochondrial DNA sequences"Molecular Phylogenetic. Evol.. 13. 1-9 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Ozawa, T.: "Origin of the Ryukyuan native pigs inferred from mitochondrial DNA sequences"Rep. Res. Native Livestock. (in press)18. (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Ozawa, T., Endo, M., Hayashi, S., Tanaka, K., Kurosawa, Y., Keonouchanh, S., Dara, B. S., Phoutha vongs, K., Bouahom, B. and Namikawa, T.: "Molecular phylogenetic analysis of the wild boars and native domestic pigs in Laos"Rep. Res. Native Livestock. (in press)18. (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kimura, T. and Ozawa, T.: "In C. J. Pfeiffer (ed.), Molecular and Cell Biology of Marine Mammals, Krieger Publishing Company, U.S.A."Rates of mitochondrial DNA evolution are slower in Mysticete relative to Odontocete Cetaceans (in press). (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Nakamura, Y., Kameo, K., Asahara, Y., and Ozawa, T.: "Stratigraphy and geologic age of the Neogene Shimajiri Group in Kumejima Island, Ryukyu Islands, southwestern Japan"Jour. Geol. Soc. Japan. 105 (11). 757-770 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nobuhara, T. and Tanaka, T.: "A new subspecies of Rhizoconus hyaena (Caenogastropoda : Conidae) from the Upper Pliocene Dainichi Formation, Shizuoka Prefecture, central Japan"Venus (Jap. Jour. Malac). 58 (3). 129-143 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kumazawa, Y., Yamaguchi, M. and Nishida, M.: "Mitochondrial molecular clocks and the origin of Euteostean biodiversity : Familial radiation of Perciforms may have predated the Cretaceous/Tertiary boundary"In M. Kato(ed), The Biology of Biodiversity, Springer. 35-52 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kuwayama, R. and Ozawa, T.: "Phylogenetic relationship between European red deer, Wapiti and Sika deer, inferred from mitochondrial DNA sequences"Molecular Phylogenetic. Evol.. l 3. 1-9 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ozawa, T.: "Origin of the Ryukyuan native pigs inferred from mitochondrial DNA sequences"Rep. Res. Native Livestock. 18 (in press).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ozawa, T. Endo, M., Hayashi, S., Tanaka, K., Kurosawa, Y., Keonouchanh, S., Dara, B. S., Phouthavongs, K., Bouahom, B. and Namikawa, T.: "Molecular phylogenetic analysis of the wild boars and native domestic pigs in Laos"Rep. Res. Native Livestock. 18 (in press).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kimura, T. and Ozawa, T.: "Rates of mitochondrial DNA evolution are slower in Mysticete relative to Odontocete Cetaceans"In C. J. Pfeiffer (ed.) : Molecular and Cell Biology of Marine Mammals, Krieger Publishing Company, U.S.A.. (in press).

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2001-10-23  

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