Spatial richness pattern of Amazonian primate species.

<p>Number of primate species occurring in each grid cell in the 1^o grid, with a total of 433 cells (A and D), the 0.5^o grid, with a total of 1687 cells (B and E), and the 0.25^o grid, with a total of 6,667 cells (C and F) in Legal Amazon, based on point locality occurrence data (A, B and C) and distribution data (D, E and F). States are indicated in A and D as follows. AC – Acre, AM – Amazonas, AP – Amapá, MA – Maranhão, MT – Mato Grosso, PA – Pará, RO –Rondônia, RR – Roraima, TO – Tocantins.