The ecosystem concept in natural resource management / 
edited by George M. Van Dyne. 
 - New York :  Academic Press,  c1969. 
 - xii, 383 p. :  ill. ;  24 cm. 
<br/><br/> "Based on a symposium held at the annual meeting of the American Society of Range Management in Albuquerque, New Mexico on February 12-15, 1968." 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Congresses.<br/>Conservation of natural resources--Congresses.<br/>Ecosystem management--Congresses.
<br/><br/><label>Dewey Class. No.: </label>577  / ECO 1969