TABLE 1. Summary of life history monitoring data for Cirsium 



lonqistvlum at Russian Creek, Little Belt Mountains, Lewis 

 and Clark National Forest, 1990-1991. (Percentages are 

 rounded up or down to the nearest whole number.) 



RUSSIAN CREEK (elevation 6520 ft) 



Plot radius 37 ft (11.3 m) 



Observation Date 



1990/07/27 



1991/08/01 



Total # plants (dead or 

 alive) observed 



106 



Total # live rosettes 



and plants of current year 



Percentage change from 

 the previous year 



107 



72 

 -33X 



New recruits (as a 

 percent of all plants) 



Density of live 

 (plants/m ) 



0.24 



23 (32X) 

 0.18 



# small rosette plants 

 (percent of small rosettes) 



# medium rosette plants 

 (percent of medium rosettes) 



# large rosette plants; 

 (percent of large rosettes) 



total a plants at 



rosette stage; (percent of 



plants at rosette stage) 



# plants flowering; 

 (percent of plants flowering) 



mean # of heads 

 open or unopened 

 per flowering plant 

 + SD, n 



Total # rosettes 

 observed to be dead 



Total # of rosettes not 

 relocated presumed dead 



Total # dead or not relocated 

 rosettes; (as a percentage 

 of all live plants present in 

 the previous year) 



Total # of plants 



that had flowered in the 



previous year and are now dead 



Total # of plants not \ 



relocated that had flowered the 

 previous year and are presumed dead 



Total number of dead or not relocated 

 (flowering and rosette) plants; (as a 

 percentage of all live plants present in 

 the previous year 



33 



57 (53%) 



