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淮河流域湿地时空分异规律及驱动机制研究

中文摘要第3-5页
ABSTRACT第5-8页
CHAPTER 1 LITERATURE REVIEW第12-31页
    1.1 SPATIAL HETEROGENEITY AND WETLAND LANDSCAPE CLASSIFICATION第13-24页
        1.1.1 Landscape heterogeneity and classification第13-14页
        1.1.2 Key classification components based on riverine ecological theory第14-16页
        1.1.3 Existing Classification Systems第16-22页
        1.1.4 Methods of Ecoregion Delineation第22-24页
    1.2 WETLAND LANDSCAPE DYNAMICS CHANGE AND HOTSPOT MAPPING第24-27页
        1.2.1 Land cover transitions and wetland landscape change第24-25页
        1.2.2 Detecting the hotspots of wetland landscape change第25-27页
    1.3 DRIVING MECHANISMS STUDY OF WETLAND LANDSCAPE CHANGE第27-31页
        1.3.1 Driving factors of wetland landscape change第27-28页
        1.3.2 The human activities influence wetland change at landscape scale第28-31页
CHAPTER 2 RESEARCH OBJECTIVES AND CONTENTS第31-38页
    2.1 INTRODUCTION第32-33页
    2.2 SCIENTIFIC QUESTIONS第33-34页
    2.3 RESEARCH CONTENTS第34-36页
    2.4 RESEARCH OBJECTIVES第36页
    2.5 RESEARCH CLUES第36-38页
CHAPTER 3 AQUATIC ECOREGION ZONING OF HUAIHE RIVER BASIN第38-72页
    3.1 INTRODUCTION第39-41页
    3.2 APPROACH AND METHODOLOGY第41-59页
        3.2.1 Study area第41-52页
        3.2.2 The Framework of Aquatic Ecoregion Zoning第52-54页
        3.2.3 Basic units第54-56页
        3.2.4 Building index system for identifying aquatic ecoregions第56-58页
        3.2.5 Cluster analysis and examination第58页
        3.2.6 Modification第58-59页
    3.3 RESULTS第59-65页
        3.3.1 The wetland distribution in HRB第59-61页
        3.3.2 Based on the aquatic resources demand第61-62页
        3.3.3 Based on the ecological characteristic of biological habitat第62-63页
        3.3.4 Descriptions of Aquatic Ecoregions第63-65页
    3.4 DISCUSSION第65-72页
        3.4.1 Aquatic ecoregion zoning schemes第65-66页
        3.4.2 Toward Improved Mapping of Aquatic Ecoregions第66-69页
        3.4.3 The relation between aquatic organisms flora and aquatic ecoregions第69-70页
        3.4.4 Management Application第70-72页
CHAPTER 4 THE FORMATION MECHANISM OF THE SPATIAL HETEROGENEITY第72-88页
    4.1 INTRODUCTION第73-76页
    4.2 APPROACH AND METHODOLOGY第76-83页
        4.2.1 Selection of ordination analysis methods第76-77页
        4.2.2 Redundancy Analysis第77页
        4.2.3 Analysis of ecological factors第77页
        4.2.4 Data Sources and Pre-Processing第77-83页
    4.3 RESULTS第83-85页
        4.3.1 Redundancy analysis relating aquatic ecoregions and ecological factors第83-84页
        4.3.2 Redundancy analysis relating aquatic sub-ecoregions and ecological factors第84-85页
    4.4 DISCUSSION第85-88页
CHAPTER 5 CHARACTERIZING WETLAND CHANGE AT LANDSCAPE SCALE第88-110页
    5.1 INTRODUCTION第89-91页
    5.2 APPROACH AND METHODOLOGY第91-101页
        5.2.1 Study area第91-93页
        5.2.2 Data source and wetland mapping第93-99页
        5.2.3 Quantifying the spatial differentiation of natural wetland reduction第99-101页
    5.3 RESULTS第101-106页
        5.3.1 Conversion of the natural wetlands第101-103页
        5.3.2 Natural wetland reduction by percentage cover zone第103-104页
        5.3.3 Hotspots of natural wetland reduction第104-106页
    5.4 DISCUSSION第106-110页
CHAPTER 6 HOTSPOTS OF WETLAND VEGETATION REDUCTION IN RELATION TO HUMAN ACTIVITIES第110-130页
    6.1 INTRODUCTION第111-113页
    6.2 APPROACH AND METHODOLOGY第113-121页
        6.2.1 Study area第113-116页
        6.2.2 Remotely sensed data and land cover mapping第116-119页
        6.2.3 Detecting hotspots of wetland vegetation reduction第119-120页
        6.2.4 Predicting the occurrence of hotspots from human accessibility第120-121页
    6.3 RESULTS第121-126页
        6.3.1 Land cover change and transition of wetland vegetation第121-123页
        6.3.2 Hotspots of reductions in wetland vegetation第123-124页
        6.3.3 Influences of human accessibility on hotspot pattern第124-126页
    6.4 DISCUSSION第126-130页
        6.4.1 Wetland vegetation reduction resulting from human activities第126-127页
        6.4.2 The relative importance of different kinds of human activities第127-128页
        6.4.3 Implications for nature conservation第128-130页
CHAPTER 7 SUMMARY AND RECOMMENDATIONS第130-137页
    7.1 SUMMARY第132-134页
    7.2 RECOMMENDATIONS FOR FUTURE RESEARCH AND APPIICATIONS第134-137页
REFERENCE第137-159页
攻博期间公开发表的学术论文及参加的科研项目第159-162页
致谢第162-164页

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