We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEcology and evolution. The risk of extinction--what you don't know will hurt you.AuthorsGittleman JL; Gompper MEPublicationScience (New York, N.Y.), 2001, Vol 291, Issue 5506, p997ISSN0036-8075Publication typearticleDOI10.1126/science.291.5506.997