UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 791 



Contribution from the Forest Service 

 HENRY S. GRAVES, Forester 



Washington, D. C. 



PROFESSIONAL PAPER 



August 27, 1919 



PLANT SUCCESSION IN RELATION TO 

 RANGE MANAGEMENT 



By 



ARTHUR W. SAMPSON, Plant Ecologist 



CONTENTS 



The Problem 



Succession or the Development of Vege- 

 tation 



The Plant Types 



The Wheat Grass Consociation . . 

 The Porcupine-Grass-Yellow-Brush 



Consociation 



The Foxglove - Sweet - Sage - Yarrow 



Consociation 



The Ruderal-Early-Weed Consocia- 

 tion 



The Effect of Grazing on Plant Succes- 

 sion 



Destructive Grazing and Its Relation 



to Erosion 



Forage Production on Driveways and 

 Bed Grounds 



Page 

 1 



Page 

 The Effect of Grazing on Plant Succes- 

 sion — Continued. 

 Succession on Moderately Depleted 

 Range Grazed Annually Prior to 

 Seed Maturity Compared With 

 Succession on Similar Range Pro- 

 tected Yearlong 61 



Judicious Grazing 64 



Summary of the Effect of Grazing on 

 Plant Succession on the Range . 65 



General Summary 66 



Indicators and Their Use 73 



Application of Plant Succession to 



Range Management 73 



List of Publications Relating to Plant 

 Succession, page 4 of cover. 



V/ASEINGTON 

 GOVERNMENT PRINTING OFFICF 



1919 ■ . 



