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Distribution and Phylogeography of Genus Lobelia in the Flora of Tropical East Africa

摘要第4-5页
ABSTRACT第5-6页
1 INTRODUCTION第11-17页
    1.1 General Introduction第11-12页
        1.1.1 Background review: History and species distribution第11-12页
    1.2 Pleistocene epoch climatic oscillations第12-13页
    1.3 The development of molecular genetics techniques第13-14页
    1.4 Research Objective第14-17页
2 The Genus Lobelia, ecological preferences and their Population distribution patterns in Tropical EastAfrican countries第17-37页
    2.1 Introduction and Literature review第17-19页
        2.1.1 Lobelia species distribution in the Flora of Tropical East Africa (F. T.E.A) vegetation regions第17-18页
        2.1.2 Lobelia (family campanulaceae sub family lobeliodeae)第18-19页
    2.2 Materials and Methods第19-22页
        2.2.1 Field work for phylogeographic distribution第19-22页
    2.3 Results第22-32页
        2.3.1 Lobelia distribution patterns in T.E.A countries第22-23页
        2.3.2 East Africa Vegetation regions and Lobelia species ecological preferences第23-32页
    2.4 Discussion第32-34页
        2.4.1 East Africa Lobelia species diversity in six major vegetation regions第32页
        2.4.2 East Africa Mountain biome as a center for giant Lobelia's hotspot and refugia第32-34页
        2.4.3 Threat to Afro Mountain Lobelia habitat第34页
    2.5 Conclusion第34-37页
3 Phylogeographic Structure and Genetic differentiation of Lobelia telekiischweinf (Campanulaceae) inAlpine Flora of Tropical East African Mountains第37-63页
    3.1 Introduction and Literature review第37-40页
    3.2 Material and methods第40-42页
        3.2.1 Altitudinal population sampling第40-42页
        3.2.2 DNA extraction,polymerase chain reaction and sequencing第42页
    3.3 Data analysis第42-45页
        3.3.1 Genealogical and Phylogeographic structure第42-44页
        3.3.2 Divergence time estimations第44-45页
    3.4 Results第45-57页
        3.4.1 Genealogical and Phylogeographic structure第45-52页
        3.4.2 Chloroplast phylogeny and divergence times第52-53页
        3.4.3 Demographic expansions tests by cpDNA第53-55页
        3.4.4 Nuclear DNA sequences第55-57页
    3.5 Discussion第57-62页
        3.5.1 Afro-alpine quaternary climatic instability and range shift第57-58页
        3.5.2 Survival in distinct Mountains alpine refugia第58-59页
        3.5.3 Haplotypes phylogeographic relationship第59-60页
        3.5.4 Chlorotypes phylogenetic divergence第60-61页
        3.5.5 Demographic history第61-62页
    3.6 Conclusion第62-63页
4 Prospective第63-65页
5 REFERENCES第65-73页
作者简介及在学期间发表的学术论文与研究成果第73-75页
ACKNOWLEDGEMENTS第75页

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