Status and trends of the nation's biological resources
By: USGS
Publisher: U.S. Geological Survey
Published: 1998
Place of publication: United States]
Language: eng
Subjects: Biodiversity; Biodiversity conservation; Animal populations; Plant populations; Endangered species; Endangered ecosystems; Natural resources; Environmental conditions
Notes: Title from opening screen (Viewed July 17, 2003).

Includes bibliographical references and index.

Text (HTML).

Issued also in print.

Mode of access: World Wide Web.