Table 3. Demographic statistics for Arabis fecunda in Centaurea 

 maculosa removal (treatment) and control plots at Birch Creek 

 (1987-90) and Charley's Gulch (1987-89). Simple population 

 growth is the increase in plants over the previous year divided 

 by the number of plants present the previous year. Reproductive 

 rate is the number of new plants divided by the number of 

 reproductive plants present the previous year. 



