FWS/OBS-78/69 

 September 1978 



A CONCEPTUAL ECOLOGICAL MODEL 

 FOR CHESAPEAKE BAY 



by 



Katherine A. Green 



1 1801 Rockville Pike, No. 802 



Rockville, Maryland 20852 



Order Number-SFWB 144807 



Project Officer— David A. Flemer 



Coastal Ecosystems Project 



Office of Biological Services 



Fish and Wildlife Service 



Washington, D.C. 22022 



This study was conducted in cooperation with the Chesapeake Bay Pro- 

 gram, U.S. Environmental Protection Agency. 



ft Performed for 



Coastai Ecosystems Project 



Office of Biological Services 



Fish and Wildlife Service 



U.S. Department of the Interior 



