Traditional Herbal Knowledge among the Inhabitants: A Case Study in Urgam Valley of Chamoli Garhwal, Uttarakhand, India

Figure 6

Species and uses reported by the general populace (red) increase with age (a) and are greatest for specialist healers (blue, b). The line indicates a natural spline regression in which the increase in knowledge with age flattens above age 50.

(a)

(b)