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Dissertation Research: Microevolutionary Dynamics and Conservation Genetics of the Rare Vernal Pool Sunflower Lasthenia Conjugens (Asteraceae)

Dissertation Research: Microevolutionary Dynamics and Conservation Genetics of the Rare Vernal Pool Sunflower Lasthenia Conjugens (Asteraceae)
论文研究:稀有春池向日葵 Lasthenia Conjugens(菊科)的微进化动力学和保护遗传学
批准号:
0206088
负责人:
Thomas Ranker
金额:
$1.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2002
资助国家:
美国
项目状态:
已结题
起止时间:
2002-06-15 至 2005-05-31

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中文摘要
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Vernal pools are ephemeral wetlands that are home to many endemic plants and animals.At Travis Air Force Base in California, a restoration project is in progress to create new vernalpools that will have similar levels of biological diversity as natural pools. The proposed researchfocuses on the federally endangered vernal pool endemic annual plant called "Contra Costagoldfields" (Lasthenia conjugens; Asteraceae). The primary goals of the proposed study are tocompare changes in levels and patterns of genetic variation over time in natural vs. artificialpools and to assess the relationship between insect-pollinator activity and genetic variation. Toachieve those goals, a kind of genetic fingerprinting technique will be used to measure geneticvariation and that information will be compared to information obtained by making detailedobservations of pollinator activity.The results of this research will have broad scientific implications and will help guideapplied, conservation management decisions. More broadly, this study will contribute to ourunderstanding of the genetics and evolution of species endemic to the unique and rapidlydisappearing vernal pools. Few detailed studies of any vernal pool species have ever beenconducted. From a conservation management perspective, this study will assess theeffectiveness of an ecological approach to habitat restoration in preserving the genetic integrityof a species and in preserving important plant-pollinator relationships.
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REVSYS: Systematics of Paleotropical grammitid ferns (Polypodiaceae): using phylogenies to resolve generic circumscriptions and explore the evolution of morphological characters
  • 批准号:
    1119695
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $40.16万
  • 财政年份:
    2011
  • 负责人:
    Thomas Ranker
  • 依托单位:
Collaborative Research: Consortium of Pacific Herbaria - A Research and Collections Network for Oceania
  • 批准号:
    1057303
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $43.18万
  • 财政年份:
    2011
  • 负责人:
    Thomas Ranker
  • 依托单位:
Dissertation Research: Evolutionary Diversification of Encelia Based on Multiple DNA Sequences
  • 批准号:
    0407870
  • 项目类别:
    Standard Grant
  • 资助金额:
    $0.99万
  • 财政年份:
    2004
  • 负责人:
    Thomas Ranker
  • 依托单位:
Collaborative Research: Origin of the Hawaiian Pteridophyte Flora
  • 批准号:
    0344522
  • 项目类别:
    Standard Grant
  • 资助金额:
    $21.07万
  • 财政年份:
    2004
  • 负责人:
    Thomas Ranker
  • 依托单位:
国内基金
海外基金
Research on Quantum Field Theory without a Lagrangian Description
  • 批准号:
    24ZR1403900
  • 项目类别:
    省市级项目
  • 资助金额:
    --
  • 批准年份:
    2024
  • 负责人:
    SATOSHI NAWATA
  • 依托单位:
Cell Research
Cell Research
Cell Research (细胞研究)