Partitioning values of explanation on fish biogeography at group and parameter scale.

Rp, Rg and Rc mean the role of palaeolake, geology and climate respectively. Rp-g, interaction between palaeolake and geology; Rg-c, interaction between geology and climate; Rp-c, interaction between palaeolake and climate; Rp-g-c, interaction among palaeolake, geology and climate; ‘% of all’ = ‘% of the explained’ × (1−Run%).