*2.2.2.2. Diversity index or Margalef's richness (Dmg)*

On Patos Island we found Dmg = 1.80, on Bledos Island Dmg = 1.68, Bleditos Island Dmg = 1.53, Tunosa Island Dmg = 1.95, and on Mazocahui Island, Dmg = 1.81, which suggests that on Patos and Mazocahui Islands, the diversity or richness is similar, being higher on Tunosa Island and lower on Bleditos.
