Figure 2: Distribution of prime basin characteristics:

(a) Nμ (b) Lμ, (c) LMF, (d) LB, (e) RB, (f) P, (g) Lv, and (h) Lg, grouped by continent: Europe (EU), Asia (AS), North and Central America (NCA), South America (SA), Australia (AU) and Africa (AF). Nμ and Lμ are only displayed for first order streams, i.e., μ=1.