Science and ecosystem management in the national parks Author Halvorson W.L., Davis G.E. (eds) Date 1996 Source IUCN (ID: MON-058504) Publisher | Place of publication The University of Arizona Press | Tucson, AZ, USA ISBN 0-8165-1566-2 Pages 362 p. Language English Country/Territory United States of America Subject Wild species & ecosystems Keyword National parks Protected area