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Studies on the Reproductive Ecology of Sargassum Thunbergii

Abstract第3-5页
Preface第6-7页
Contents第7-10页
1 Review第10-38页
    1.1 Significance of intertidal seaweeds第10-11页
    1.2 Progress of studies on early stage of life history第11-25页
        1.2.1 Factors and strategies第12-14页
        1.2.2 Gametogenesis第14-16页
        1.2.3 Gamete release第16-18页
        1.2.4 Reproductive biomass allocation第18-20页
        1.2.5 Intraspecific competition第20-25页
    1.3 Taxonomic status of Sargassum thunbergii第25-26页
    1.4 Life history of S.thunbergii第26-27页
    1.5 Economic and ecological values of S.thunbergii第27-30页
        1.5.1 Dietary and medicinal values第27-28页
        1.5.2 Compounds extracted from S.thunbergii第28页
        1.5.3 Repair of marine ecosystem第28-29页
        1.5.4 Development of seaweed aquaculture第29页
        1.5.5 High-quality natural forage for aquaculture第29-30页
    1.6 Ecological research progress of S.thunbergii第30-32页
    References第32-38页
2 Reproductive Pattern of S.thunbergii第38-53页
    2.1 Introduction第38-39页
    2.2 Materials and methods第39-41页
        2.2.1 Study site, sampling and measurement第40-41页
        2.2.2 Data analysis第41页
    2.3 Results第41-46页
        2.3.1 Temporal variations in percentage of fertile thalli and RA第41-43页
        2.3.2 Relationship between RA and lateral branches第43-44页
        2.3.3 Hierarchical variations in percentage of fertile thalli and RA第44-45页
        2.3.4 Size-dependences of reproduction and RA第45-46页
    2.4 Discussion第46-50页
    References第50-53页
3 Identification of Environmental Cues for Egg Release in S.thunbergii第53-68页
    3.1 Introduction第53-55页
    3.2 Materials and methods第55-58页
        3.2.1 Factor sets第55-56页
        3.2.2 Plant materials and measurement of egg release第56-57页
        3.2.3 Experimental design第57-58页
        3.2.4 Statistical analysis第58页
    3.3 Results第58-62页
        3.3.1 Patterns of egg release第58页
        3.3.2 Main effects第58-59页
        3.3.3 Interactions第59-62页
        3.3.4 Order of importance第62页
        3.3.5 Integrating effect of significant factors on egg release第62页
    3.4 Discussion第62-65页
    References第65-68页
4 Morphological Observation on Sexual Reproduction of S.thunbergii第68-78页
    4.1 Introduction第68页
    4.2 Materials and Methods第68-70页
        4.2.1 Materials第69页
        4.2.2 Treatment and cultivation of materials第69页
        4.2.3 Methods of observation第69-70页
    4.3 Results第70-74页
        4.3.1 Reproduction phases第70页
        4.3.2 Discharge of eggs第70-71页
        4.3.3 Development of eggs discharged from the receptacle第71-72页
        4.3.4 Cell division and development of fertilized eggs第72页
        4.3.5 Rhizoid development第72-73页
        4.3.6 Juvenile sporophyte development第73-74页
    4.4 Discussion第74-76页
    References第76-78页
5 Seedling Production and Intraspecific Competition of S.thunbergii Germling第78-97页
    5.1 Introduction第78-80页
    5.2 Materials and methods第80-84页
        5.2.1 Algal materials第80页
        5.2.2 Comparison of nature and farmed populations第80-81页
        5.2.3 Examination of germling attachment第81-82页
        5.2.4 Impacts of jet-washing and density on germlings第82-83页
        5.2.5 Data analysis第83-84页
    5.3 Results第84-90页
        5.3.1 Temporal variations in reproduction第84-85页
        5.3.2 Temporal variations in germling production第85页
        5.3.3 Attachment of germlings第85-87页
        5.3.4 Temporal variations in plant density第87-88页
        5.3.5 Growth responses to density第88-89页
        5.3.6 Control of epiphytic algae第89-90页
    5.4 Discussion第90-95页
    References第95-97页
6 Seasonal Variations in the Population Structure of S.thunbergii第97-108页
    6.1 Introduction第97-98页
    6.2 Experiments and Methods第98-100页
        6.2.1 Patch of investigation第98页
        6.2.2 Methods of measurement第98-100页
        6.2.3 Data analysis第100页
    6.3 Results第100-104页
        6.3.1 Distribution第100页
        6.3.2 Structural analysis of size class第100-101页
        6.3.3 Seasonal variations in biomass第101-102页
        6.3.4 Analysis of factors affecting biomass第102-103页
        6.3.5 Seasonal variations in lengths第103-104页
    6.4 Discussion第104-107页
    References第107-108页
7 Conclusions第108-109页

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