A new map of standardized terrestrial ecosystems of the conterminous United States
By: by Roger Sayre ... [et al.].
Contributors: Sayre, Roger.; Geological Survey (U.S.)
Series: Professional paper -- 1768
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 2009
Place of publication: Reston, Va
Language: eng
Number of pages: 17
ISBN-13: 9781411324329
Subjects: Biotic communities -- United States; Ecosystem management -- United States
Notes: Includes bibliographical references (p. 14-17).