Figure 1From: Analysis of hypoxia-inducible factor alpha polyploidization reveals adaptation to Tibetan plateau in the evolution of schizothoracine fishAltitude distribution of three groups of schizothoracine fish in Tibetan Plateau. The map was downloaded from the National Geographic ArcMap Esri db on June 22, 2014 [79]. The solid boxes indicate the altitude distribution range of three groups of the main Schizothoracine genera. I: primitive schizothoracine fish, II: specialized schizothoracine fish, III: highly specialized schizothoracine fish.Back to article page