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 1 
Succession or the Development of Vege- 
tation 2 
The Plant Types 7 
The Wheat Grass Consociation ... 8 
The Porcupine-Grass-Yellow-Brusli 
Consociation 22 
The Foxglove - Sweet - Sage - Yarrow 
Consociation 32 
The Ruderal-Early-Weed Consocia- 
tion £4 
The Effect of Grazing on Plant Succes- 
sion „ 54 
Destructive Grazing and Its Relation 
to Erosion 54 
Forage Production on Driveways and 
Bed Grounds 55 
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. 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1910 
