Passando a boiada: Degazettement and downsizing threaten protected areas in the Brazilian Amazon Domingos de Jesus Rodrigues; Thadeu Sobral-Souza; Tiago Shizen Pacheco Toma; Aretha Franklin Guimaraes; Thiago Junqueira Izzo; Marcos Penhacek; Flávia Barbosa Rodrigues; Neucir Szinwelski; Afonso Kempner; Willian Schornobay Bochenski; Milton Omar Cordova Neyra; Helena Streit; Gerhard Ernst Overbeck; Fabio de Oliveira Roque; Geraldo Wilson Fernandes; Cássio Cardoso Pereira; Philip Martin Fearnside;

Insufficient protection and intense human pressure threaten islands worldwide Javier Nori; Fabricio Villalobos; Luis Osorio-Olvera; Rafael Loyola;

Minimum costs to conserve 80% of the Brazilian Amazon José Maria Cardoso da Silva; Luís Claudio Fernandes Barbosa; Julie Topf; Ima Célia G. Vieira; Fabio R. Scarano;