PREFACE 



This report is published to provide information to coastal engineers 

 on the potential impacts of beach replenishment programs upon intertidal 

 and shallow sedimentary benthic biota. 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 Stephen Lacy of WESTEC Services, Inc., San 

 Diego, California, and authored by Terence Parr and Dr. Douglas Diener, 

 Marine Ecological Consultants, Solana Beach, California, under CERC 

 Contract No. DACW72-76-0007. 



We would like to thank R.M. Yancey of CERC for his keen interest and 

 constructive criticism; J. Neal for computer programing; S. Edwards, L. 

 Lovell, P. Estem, B. Stewart, S. Garner-Price, E. Hartwig, and C. Engel 

 for their assistance with field and laboratory analysis and in helping 

 prepare material for the report; and D. Aubrey and D. Seymour of Scripps 

 Institution of Oceanography for providing wave data. 



R.M. Yancey was the CERC contract monitor for the report, under the 

 general supervision of E.J. Pullen, Chief, Ecology Branch, Research 

 Division. 



Comments on this publication are invited. 



Approved for publication in accordance with Public Law 166, 79th 

 Congress, approved 31 July 1945, as supplemented by Public Law 172, 88th 

 Congress, approved 7 November 1963. 



JOHN H. COUSINS 



Colonel, Corps of Engineers 



Commander and Director 



