Landscape forest loss decreases bird diversity with strong negative impacts on forest species in a mountain region Fredy Vargas-Cárdenas; Víctor Arroyo-Rodríguez; Jose Carlos Morante-Filho; Jorge E. Schondube; Daniel M. Auliz-Ortiz; Eliane Ceccon;

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;

Roads imperil South American protected areas Santiago A. Schauman; Esteban G. Jobbágy; Josep Peñuelas; William F. Laurance; Germán Baldi;