Chapter 4. Synthetic Characteristics of the Com- 

 munity 121 



PART THREi: 



Dyzmamics o£ Commvazmities 



Chapter 5. Habitat Patterns, Changes, and 



Climax 135 



Environmental Gradients and Habitat Patterns 

 137 • Types of Changes 142 • Climax 159 • 



PAR'T w G "a m 



Classificatioxm o£ Conmmwixmities 



Chapter 6. Bases and Units 171 



Bibliography 191 



Index 203 



xii • Contexmts 



