Figure 4 from: Silva e Silva YB, Costa-Campos CE (2018) Anuran species composition of Cancão Municipal Natural Park, Municipality of Serra do Navio, Amapá state, Brazil. ZooKeys 762: 131-148. https://doi.org/10.3897/zookeys.762.22634

Figure 4 Rarefaction curve of anuran species based on the species records and sampling effort (sampling days) in the Cancão Municipal Natural Park, Amapá state, northern Brazil. Richness estimators used: Jack-knife 1 and Bootstrap. Sobs = total number of species observed in a samples.