PROTECTION PLOTS 



357 



GREAT BASIN EXPERIHteNT STATION, EPHRAIM, UTAH 



Natural Reseeding 



Unprotected Plot No 7 Location: Near Experiment Station 



Established August 21, 1916 Season Recharted: 1921 



Mapped ty A. W. Sampson and H, E. Malmsten Pate: Aug. 16, 1921 



Legend 

 Symbol Species Symbol Species Symbol Species 



A.A^ropyron fenerum V^.Vicia Americana G...Geranium f^ichardsonii 



R..Folygonum Douglasii ALAchillea lanulosa S^.SHpa minor 

 L-.Leoniodon taraxacum C...Chenopoclium album SiSophia incisa 



Fig. 130. -a 33-FOOT PLOT, DIVIDED INTO FOUR EQUAL PARTS. 

 The plant cover, following each mapping, is expressed in terms of the "forage-acre factor" for 



the class or classes of stock grazed, 

 natural revegetation. 



This form of plot is very valuable in the study of 



