Thinning curves representing the accumulated richness of species of frogs and lizards at REBIO Gurupi. The richness was recorded by passive and active collection between December 2012 and May 2013. The center line is the average (randomizing 1000 times) and the lines on the side represent the associated standard deviation.

  Part of: Freitas MA, Vieira RS, Entiauspe-Neto OM, Sousa SO, Farias T, Souza AG, Moura GJB (2017) Herpetofauna of the Northwest Amazon forest in the state of Maranhão, Brazil, with remarks on the Gurupi Biological Reserve. ZooKeys 643: 141-155.