1. Global Biodiversity Scenarios for the Year 2100 Osvaldo E. Sala,F. Stuart Chapin III, Juan J. Armesto, Eric Berlow, Janine BloomÞeld, Rodolfo Dirzo, Elisabeth Huber-Sanwald, Laura F. Huenneke, Robert B. Jackson, Ann Kinzig, Rik Leemans, David M. Lodge, Harold A. Moone, Martõ «n Oesterheld, N. LeRoy Poff, Martin T. Sykes, Brian H. Walker, Marilyn Walker, Diana H. Wall