Conservation biology: four decades of problem- and solution-based research Carlos Roberto Fonseca; Gustavo B. Paterno; Demétrio L. Guadagnin; Eduardo M. Venticinque; Gerhard E. Overbeck; Gislene Ganade; Jean Paul Metzger; Johannes Kollmann; Johannes Sauer; Márcio Zikán Cardoso; Priscila F.M. Lopes; Rafael S. Oliveira; Valério D. Pillar; Wolfgang W. Weisser;

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

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