Figure 12.— Upland and ravine cover means 

 for life-forms. Solid lines indicate total 

 vegetative cover; dashed lines indicate shrub 

 coven and dots and dashes indicate herb- 

 aceous cover. 



Figure 13.— Upland and ravine volume means 

 for lifeforms. Solid lines Indicate all vascular 

 vegetation; dashed lines indicate shrubs; and 

 dashes with dots indicate herbaceous 



vegetation. 



18 



