GONTENTS 



Chapter I. The Foundation of Ecology 



THE NEED OF A SYSTEM 



1. The scope of ecology 



2. Ecology and physiology 

 Historica,! Development 



,3. Geographical distribution 



4. The plant formation 



5. Plant succession ^ 



6. Ecological phytogeography 



7. Experimental ecology 



8. Ecology of the habitat 



9. The evidence from historical development 

 Present Status of Ecology 



10. The lack of special training 



11. Descriptive ecology 



12. The value of floristic 



13. Reconnaissance and investigation 



14. Resident investigation 



15. The dangers of a restricted field 

 Applications of Ecology 



16. The subjects touched by ecology 

 Physiology and pathology 

 Experimental evolution 

 Taxonomy . . . 



17- 

 18. 



/ 19. 



\j 20. Forestry 

 V 2 T . Physiography 

 ^ 22. Soil physics 



23. Zoogeography 



24. Sociology 



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I 

 I 



2 

 2 



3 



4 

 4 



5 

 6 



6 



7 



9 

 9 



10 

 II 

 II 

 12 

 14 

 15 

 15 

 15 

 16 



THE ESSENTIALS OF A SYSTEM 



-" 25. Gause and effect : habitat and plant 

 26. The place of function 



16 

 17 



