The national biological survey: A step along the path to ecosystem conservation Author Scanna K.A. Journal/Series New York University Environmental Law Journal | Vol. 4(1); 134 - 163; 30 p. Date 1995 Source IUCN (ID: ANA-055040) Publisher | Place of publication New York University Environmental Law Journal | New York, NY, USA Language English Country/Territory United States of America Subject Wild species & ecosystems Keyword Biodiversity Monitoring