Table 2 — Average digestibility and nutrient concentration of each species in the second postburn summer; 

 treatments, dates, and sites are pooled 



IVDMD 



Species 

 Shrubs 



Populus tremuloides 

 Ceanothus velutinus 

 Amelanchier alnifolia 

 Prunus virginiana 



Grasses 



Calamagrostis rubescens 

 Elymus glaucus 



Forbs 



Geranium viscossissimum 

 Lupinus argenteus 

 Arnica cordifolia 



Sheep 



'53.8a 

 57.0b 

 56.7ab 

 55.2ab 



55.6ab 

 56.6ab 



70.4cd 



68.9c 



72.0d 



Elk 



55.5ab 

 57.8b 

 59.0b 

 58.7b 



52.5a 

 55.5ab 



69.0c 

 67.7c 

 69.9c 



Protein 



Percent 



15.4cd 

 14.2bc 

 14.6c 



15.0cd 



10.5a 

 13.1b 



13.1b 

 16.0d 

 9.7a 



Calcium 



1.45 

 1.28 

 1.58 

 1.92 



0.81 

 1.11 



1.98 

 1.55 

 1.99 



Phosphorus 



0.26abc 

 .21a 

 .43d 

 .36cd 



.21a 

 .22a 



.39d 



.24ab 



.35bcd 



'Within each column, the means not followed by a common letter are statistically different (p=0.05). 



Table 3 — Sheep and elk IVDMD, and concentrations of crude protein, phosphorus, and calcium of aspen and pinegrass that were 

 collected on two dates (August 2 and 22, 1982) 



IVDMD 



Species Date Treatment Sheep Elk Protein Phosphorus Calcium 



Percent 



Populus tremuloides 



August 2 



Burned 



'43.5a 



61. 8d 



21.7d 



0.39d 



1.47b 







Unburned 



50.3a 



51.8abc 



15.8c 



.24ab 



1.78c 





August 22 



Burned 



57.9a 



48.7ab 



19.2d 



.32cd 



1.88c 







Unburned 



53.5a 



48.3a 



14.2bc 



.27b 



1.86c 



Calamagrostis rubescens 



August 2 



Burned 



53.7a 



54.7abc 



13.5abc 



.23ab 



.54a 







Unburned 



52.7a 



48.9ab 



10.3a 



.23ab 



.79a 





August 22 



Burned 



54.6a 



57. led 



11.5ab 



.19a 



.54a 







Unburned 



56.8a 



55.9bcd 



10.5a 



.20ab 



.74a 



'f^eans in columns not followed by a common letter are statistically different (p=0.05). 



4 



