120 



Figure 15. — Foliage, wood, and total above-stump biomasses in metric tons -per hectare 

 on the Cattle Trough plot from 1860 to 1977. 



I I I I I I I I I I 1 1 



1860 70 80 90 1900 10 20 30 40 50 60 70 80 



Year 



Figure 16. — Foliage, wood, and total above-stump biomasses in metric tons per hectare 

 on the Monte Cristo plot from 1860 to 1977. 



18 



