The Protected Areas network may be insufficient to protect bird diversity in a fragmented tropical hotspot under different climate scenarios Vinicius Tonetti; Fernanda Bocalini; Fabio Schunck; Maurício Humberto Vancine; Mariella Butti; Milton Ribeiro; Marco Pizo;

Divergent herb communities in drier and chronically disturbed areas of the Brazilian Caatinga Ligia A.F. Vieira; Marcelo Tabarelli; Gustavo Souza; Rubens T. Queiroz; Bráulio A. Santos;

Ecosystem functional meltdown through biological annihilation in the world¿s ecoregions José F. González-Maya; I. Mauricio Vela-Vargas; Gerardo Ceballos;