Table 2 — Summary of overstory trees (established before 1900) size, density, and composition for each plot, and comparison of current 

 basal area with estimated basal area in 1900. SAF = subalpine fir. 



Dry site type Moist site type 



Lolo Bitterroot Bitterroot Flathead 







1 



2 



3 



1 



2 



3 



4 



1 



2 



Number of overstory trees 



PP 



32 



21 



60 



20 



23 



19 



31 



36 



24 



per acre 1991-93 



DF 



12 



30 



26 



52 



29 



21 



12 



5 



3 





LP 















1 



4 



26 





WL 

















4 



47 





GF 















1 









All 



44 



51 



86 



72 



52 



40 



45 



49 



100 



Estimated number of 



PP 



2 



4 



12 



1 



1 



11 



9 



3 



1 



overstory trees per acre 



DF 





10 



3 



3 



2 



5 



6 



1 





that died after 1900 



LP 

















6 



11 





WL 

















2 



6 





SAF 















1 









All 



3 



14 



15 



4 



3 



16 



16 



11 



17 



Average d.b.h. of 



PP 



19 



20 



19 



20 



24 



24 



22 



23 



20 



overstory trees (inches) 



DF 



16 



14 



19 



16 



16 



17 



13 



19 



17 



1991-93 



LP 















11 



9 



10 





WL 

















18 



13 





GF 















16 









All 



19 



17 



19 



17 



20 



20 



19 



21 



14 



Total basal area (ft^/acre) 



PP 



78 



57 



126 



52 



87 



70 



90 



109 



61 



1991-93 



DF 



22 



43 



61 



87 



87 



57 



36 



30 



13 





LP 















1 



9 



17 





WL 

















9 



48 





GF 















6 









SAF 















2 









All 



100 



100 



187 



139 



174 



126 



135 



158 



139 



Total estimated basal area 



PP 



52 



52 



113 



30 



52 



113 



81 



78 



22 



(ft^/acre)1900 



DF 



13 



43 



39 



48 



26 



30 



8 



9 









LP 

















4 



9 





WL 

















9 



26 





SAF 















1 









All 



65 



96 



152 



78 



78 



143 



90 



100 



57 



15 



