Information on the vigor and reproductive outlay of each plant 

 was collected in tabulating rosette, infloresence and fruit 

 information. A plant with five rosettes, two inflorescences, 12 

 fruits, and 25 aborted flowers was recorded as RJI2F12A25. 



Tabulations and demography calculations are reported on an annual 

 basis, and analyses will be run at the culmination of intensive 

 monitoring to characterize rates of change and overall trends. 

 Measurement calculations are summarized below: 



Recruitment = % of new plants observed in year t to the 

 number surviving from year t-1 to year t 



Mortality = % of plants dying between year ^-1 and i to the 

 number surviving in the same period 



Fecundity = number of fertile fruits per plant (not 

 including aborted) 



Average fruit production = number of fruits / number of 

 fruiting plants 



Browsing loss = 100 - (actual fruit production / 

 potential fruit product: the number of fruiting plants 

 X mean number of fruits per unbrowsed plant) 



Abortion loss - 100 - (actual fruit production / potential 

 fruit production: the number of maturing fruits on 

 unbrowsed plants / number of maturing + aborted fruits on 

 unbrowsed plants) 



IV. RESULTS AND DISCUSSION 



Recruitment, mortality, fecundity, browse loss and abortion loss 

 values are presented below for the two sample sites: 



PEW8TEM0N LEMHIEWSIS MONITORING - Life Historv Highlights* 



BADGER PASS HORSE PRAIRIE 



** All flowering plants at Horse Prairie were browsed in 1992, 

 and all of the flowers which were produced had aborted 



