Long Description of Figure 2:

Graph showing the percentage of disturbance produced at various soil depths for different methods of yarding in different seasons (light 0-2 inches, deep 2-10 inches, very deep - greater than 10 inches; percentages are approximate) -- Ground yarding/Summer: Light = 0-9.5%, Deep = 9.5-26%, Very deep = 26-45%; Ground yarding/Winter: Light = 0-11%, Deep = 11-27%, Very deep = 27-41.5%; Cable yarding/Summer: Light = 0-15%, Deep = 15-21.5%, Very deep = 21.5-30.5%; Cable yarding/Winter: Light = 0-4%, Deep = 4-8%, Very deep = 8-22%