APPENDIX E: PROPORTION OF YEARLY UNDERGROWTH 

 PRODUCTION IN DIFFERENT VEGETATION CATEGORIES BY 

 ASPEN COMMUNITY TYPES, AND THE SUITABILITY OF THIS 

 UNDERGROWTH AS LIVESTOCK FORAGE 



Vegetation categories Forage suitability^ 



Community type Shrubs Forbs Graminoids Desirable Intermediate Least 



Percent 



POTR/ACGR/PTAQ 



6 



87 



7 



35 



29 



36 



POTR/PRVI/SESE 



30 



48 



22 



55 



40 



5 



POTR/PRVI/CAGE 



46 



25 



29 



55 



41 



4 



POTR/SARA 



35 



52 



13 



52 



37 



11 



POTR/SYOR/SESE 



20 



55 



25 



51 



37 



12 



POTR/SYOR/CAGE 



23 



44 



33 



51 



40 



9 



POTR/SYOR/FETH 



56 



27 



17 



52 



45 



3 



POTR/JUCO/GAGE 



24 



34 



42 



53 



38 



9 



POTR/JUGO/SIHY 



— 



— 



— 



46 



47 



7 



POTR/SYOR/BRGA 



12 



29 



59 



46 



51 



3 



POTR/SYOR/POPR 



33 



34 



33 



30 



65 



5 



POTR/JUCO/ASMI 



— 



— 



— 



27 



53 



20 



POTR/VECA 



1 



34 



65 



33 



26 



41 



POTR/HELA 



16 



76 



8 



57 



28 



15 



POTR/PTAQ 



2 



91 



7 



26 



27 



48 



POTR/SESE 



3 



72 



25 



48 



31 



21 



POTR/GAGE 



4 



41 



55 



57 



36 



7 



POTR/FETH 



1 



41 



58 



47 



42 



11 



POTR/SIHY 



2 



51 



47 



62 



33 



5 



POTR/BRCA 



4 



46 



50 



35 



60 



5 



POTR/POPR 



5 



58 



37 



29 



69 



2 



POTR-ABLA/VAGA 



— 



— 



— 



37 



63 







POTR-ABLA/AMAL 



53 



36 



11 



62 



35 



3 



POTR-ABLA/SYOR/SESE 



23 



59 



18 



54 



35 



11 



POTR-ABLA/SYOR/GAGE 



26 



58 



16 



55 



36 



9 



POTR-ABLA/JUGO 



34 



36 



30 



45 



48 



7 



POTR-ABLA/SESE 



3 



69 



28 



55 



34 



11 



POTR-ABLA/GAGE 



2 



62 



36 



51 



45 



4 



POTR-ABGO/SYOR 



39 



46 



15 



51 



44 



5 



POTR-ABGO/JUGO 









41 



55 



4 



POTR-PSME/AMAL 



38 



41 



21 



45 



47 



8 



POTR-PSME/JUGO 









41 



48 



11 



POTR-PIPO/QUGA 



30 



35 



35 



50 



42 



8 



POTR-PIPO/JUGO 



20 



15 



65 



55 



43 



2 



POiR-PIGO/VASG 









58 



39 



3 



POTR-PICO/JUGO 



8 



71 



21 



44 



51 



5 



^Based on proportionate canopy cover in suitability classes described by USDA Forest Service (1981). 



67 



