A systems approach to ecological baseline studies / 
by James B. States ... [et al.] ; Ecology Consultants, incorporated ; performed for Western Energy and Land Use Team, Office of Biological Services, Fish and Wildlife Service Department of the Interior 
 - Washington, D.C. :  United States Fish and Wildlife Service,  1978 
 - Various pagings :  ill. ;  27 cm. 
<br/><br/> "Biological Services Program FWS/OBS-78/21."  "Conducted as part of the Federal Interagency Energy/Environmental Research and Development Program, U.S. Environmental Protection Agency."  "U.S. Fish and Wildlife Service contract no. 14-16-0008-2119." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Mathematical models<br/>Ecological assessment (Biology)--Mathematical models<br/>System analysis
<br/><br/><label>Dewey Class. No.: </label>616.0014