< P> Devra I. Jarvis is senior scientist, Agricultural Biodiversity and Ecosystems, in the Diversity for Livelihoods Programme at Bioversity International (As of December 1, 2006, the International Plant Genetics Resources Institute (IPGRI) changed its name to Bioversity International) in Rome. Having earned a Ph.D. in quaternary palynology from the University of Washington, Seattle, she is responsible for Bioversity's work on developing practices that use local crop genetic diversity to maintain and improve productivity, resilience, and resistance in production systems. She is the princ...