Scientists offer 27 recommendations for preserving the full range of biological diversity and state that stewardship of biodiversity is an unavoidable permanent obligation of modern society. Cochairs: G. David Tilman, Department of Ecology, Evolution, and Behavior, University of Minnesota, St. Paul, and Donald N. Duvick, Department of Agronomy, Iowa State University, Ames.

R133, ISBN 1-887383-15-8, February 1999, 33 pp., Available free online and in print (fee for shipping/handling).