PREFACE 



This report is published to provide coastal engineers with a vegeta- 

 tive study of the Duck Field Research Facility at Duck, North Carolina. 

 The work was carried out under the coastal ecology research program of 

 the U.S. Army Coastal Engineering Research Center (CERC) . 



The report was prepared by Gerald F. Levy, Associate Professor of 

 Biological Sciences, Old Dominion University, Norfolk, Virginia, under 

 CERC Contract No. DACW72-74-C-0019. 



The author expresses appreciation to Drs. Paul W. Kirk and Lytton 

 J. Musselman, Department of Biological Sciences, Old Dominion University, 

 for assistance in designing the research program and in species identi- 

 fication, respectively, and to R.W. Tyndall and J.W. Usher, graduate 

 students in the Department of Biological Sciences, for their assistance 

 in the field. The assistance of Dr. Donald W. Woodard, formerly of CERC, 

 is gratefully acknowledged. 



Mr. Robert M. Yancey, Chief, Ecology Branch, was the CERC contract 

 monitor for the report, under the general supervision of R.P. Savage, 

 Chief, Research Division. 



Comments on this publication are invited. 



Approved for publication in accordance with Public Law 166, 79*" , 

 Congress, approved 31 July 1945, as supplemented by Public Law 172, SS*'^ 

 Congress, approved 7 November 1963. 



