Using tree- ring analysis to study the growth performance from saplings to trees for five savanna species in West Africa

• TABLE OF CONTENTS
  
• LIST OF FIGURES
  
• LIST OF PICTURES
  
• LIST OF TABLES
  
• DEDICATION
  
• ACKNOWLEDGEMENTS
  
• TECHNICAL EXPRESSIONS
  
• ABSTRACT
  
• RESUME
  
• 1. INTRODUCTION
  
  • 1.1. Background on tree dating methods
    
  • 1.2. Interest of the study
    
  • 1.3. Aims
    
  • 1.4. Research questions
    
• 2. STUDY AREA
  
• 3. MATERIAL AND METHODS
  
  • 3.1 Studied plant species and collection of samples
    
  • 3.2 Sample processing
    
  • 3.3 Method used to study the wood anatomy
    
  • 3.4 Method used to study the growth performance s
    
  • 3.5 Cross-dating
    
  • 3.6 Method used to analyse fire regime
    
  • 3.7 Nature of data
    
• 4. RESULTS
  
  • 4.1 Wood anatomy of the species
    
    • 4.1.1. Anogeissus leiocarpa
      
    • 4.1.2. Detarium microcarpum
      
    • 4.1.3. Diospyros abyssinica
      
    • 4.1.4. Isoberlinia doka
      
    • 4.1.5. Pterocarpus erinaceus
      
    • 4.1.6. Conclusion on wood anatomy
      
  • 4.2. Age and growth performances for investigated species
    
    • 4.2.1. Age, ring increment and cross-dating
      
    • 4.2.2. Growing in height
      
    • 4.2.3 Conclusion on tree species growth
      
  • 4.3. Fire regime analysis from tree -rings of investigated species
    
    • 4.3.1. Fire master chronology in CNP and UAC
      
    • 4.3.2. Fire interval
      
    • 4.3.3. Fire frequency and intensity in Comoé National Park and Upper Aguima Catchment
      
    • 4.3.4. Conclusion and discussion on events of fire in savanna areas.
      
• 5. DISCUSSIONS
  
• 6. CONCLUSION
  
• 7. LITERATURE CITED
  
• APPENDICES