Population Systematics of Takydromus tachydromoides (Reptilia : Squamata)

Takydromus tacHydromoides 的种群系统学(爬行纲:有鳞目)

基本信息

  • 批准号:
    15570081
  • 负责人:
  • 金额:
    $ 2.24万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 财政年份:
    2003
  • 资助国家:
    日本
  • 起止时间:
    2003 至 2005
  • 项目状态:
    已结题

项目摘要

Just as planned in the proposal, sampling of fresh specimens of Takydromu tachydromoides was carried out in some islands of the Tokara and Osumi Island Groups, as well as in some localities of southern Kyushu, from which only a few specimens had been available yet. Then, sampling efforts were extended to other localities in the remaining region of Kyushu (Nagasaki and Oita) and adjacent islands (e.g., Goto Islands and Iki), as well as in Western Honshu (Kyoto), Central Honshu (Mie and Gifu), Vicinity of Tokyo (Ibaragi, North-central Honshu (Ishikawa), North-eastern Honshu (Sendai), and Hokkaido (Sapporo). Special efforts were made to obtain fresh materials from both high and low altitude areas of Yakushima Island, because some previous authors noted that the populations from these regions might be morphologically distinct from each other. Tissues were obtained from these materials and were subjected to molecular phylogenetic analyses. The remaining parts were preserved and subjected to … More morphological analyses together with other specimens loaned from museums and other researchers.Morphologically, prominent variations were recognized between samples from the Tokara Island Group and Kyushu+Honshu+Hokkaido samples, but these two assemblages were more or less bridged by the Osumi Island samples. Analyses of sequence variations in mitochondrial 12S and 16S rRNA genes yielded trees that indicate prominent dichotomy between the Tokara+Osumi populations and whole of the remainder. This result, along with available paleogeographical and paleoclimatic information, strongly suggests that populations from these two areas actually represent different biological species. On the other hand, altitudinal divergence on Yakushima Island was not supported at all. Very little variation was recognized among all samples from Gifu and more northern localities. This suggests that populations from the northern half of Japan represent rapid post glacier dispersals during the Late Pleistocene-Holocene period. Less
正如提案中计划的那样,在托卡拉群岛和大美群岛的一些岛屿以及九州南部的一些地方对Takydrom tachydromoide的新鲜标本进行了抽样,目前只有几个标本可用。然后,将抽样工作扩大到九州其余地区(长崎和大分)和邻近岛屿(如后藤岛和池崎)的其他地方,以及本州西部(京都)、本州中部(密歇根和岐福)、东京附近(茨城、本州中北部(石川)、本州东北部(仙台)和北海道(札幌)。特别努力从Yakushima岛的高海拔和低海拔地区获得新的材料,因为以前的一些作者指出,这些地区的种群可能在形态上彼此不同。从这些材料中获得组织,并进行分子系统发育分析。其余部分被保存并接受…检查从博物馆和其他研究人员那里借来的标本进行了更多的形态分析。从形态上看,托卡拉岛群的标本与九州+本州+北海道的标本之间存在显著的差异,但这两个组合或多或少被大美岛的标本连接在了一起。对线粒体12S和16S rRNA基因序列变异的分析表明,Tokara+OSumi种群和其余种群的整体之间存在明显的两极分化。这一结果,加上现有的古地理和古气候信息,有力地表明,这两个地区的种群实际上代表了不同的生物物种。另一方面,屋久岛岛上的海拔差异完全没有得到支持。岐阜市和更北部地区的所有样品之间的差异很小。这表明,来自日本北部的种群代表了晚更新世-全新世期间冰川后的快速扩散。较少

项目成果

期刊论文数量(26)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Merits and Demerits of the Species Recognition in Biodiversity Conservation : Implications from a Case with Amphibians and Reptiles from the Ryukyu Archipelago, Japan.
生物多样性保护中物种识别的优点和缺点:日本琉球群岛两栖动物和爬行动物案例的启示。
琉球列島および周辺離島における爬虫類の生物地理 「生物地理の自然史」内 (増田隆一・阿部永(編))
琉球群岛及周边离岛爬行动物的生物地理学,载于《生物地理学自然史》(增田龙一、阿部永井(主编))
  • DOI:
  • 发表时间:
    2005
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Tsubota;H.;太田 英利
  • 通讯作者:
    太田 英利
Toward a synthesis of paleontological and neontogical unformation on the terrestrial vertebrates. I.
陆生脊椎动物古生物学和新生物学信息的综合。
生物多様性の保全における種認識の功罪。新崎盛暉, 比嘉政夫, 家中茂(編)「地域の自立、シマの力(上)」内
物种识别在生物多样性保护中的优点和缺点。
  • DOI:
  • 发表时间:
    2005
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Toda;M.;S.Okada;T.Hikida;H.Ota.;太田英利;太田英利
  • 通讯作者:
    太田英利
OTA, Hidetoshi: "Toward a synthesis of paleontological and neontoiogical information on the terrestrial vertebrates ・・・."Journal of fossil Research. 36・2. 43-59 (2003)
OTA,Hidetoshi:“关于陆地脊椎动物的古生物学和新生物学信息的综合。”《化石研究杂志》36·2(2003)。
  • DOI:
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  • 影响因子:
    0
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OTA Hidetoshi其他文献

OTA Hidetoshi的其他文献

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{{ truncateString('OTA Hidetoshi', 18)}}的其他基金

Population systematics of the Pelodiscus sinensis species complex broadly distributed in East Asia
东亚广泛分布的中华鳖种群系统学
  • 批准号:
    24570110
  • 财政年份:
    2012
  • 资助金额:
    $ 2.24万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Genetic diversity and population systematics of hydrophiine sea snakes from the Ryukyus Archipelago, Japan
日本琉球群岛亲水海蛇的遗传多样性和种群系统学
  • 批准号:
    21570098
  • 财政年份:
    2009
  • 资助金额:
    $ 2.24万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Validity and historical process of formation of the center of endemism for reptiles in the southern Tokara Islands
吐噶喇群岛南部爬行动物特有中心的有效性及其形成的历史过程
  • 批准号:
    11833013
  • 财政年份:
    1999
  • 资助金额:
    $ 2.24万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Geographic variation and biogeography of terrestrial vertebrates around the Tokara Strait, northern Ryukyus, Japan
日本琉球北部吐噶喇海峡周围陆生脊椎动物的地理变异和生物地理学
  • 批准号:
    09839024
  • 财政年份:
    1997
  • 资助金额:
    $ 2.24万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

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