CONTENTS— Continued 



Page 



g . Fertilization Requirements 78 



h. Planting Management 78 



5. Saltgrass (Distiahlis spiaata) 79 



6 . Seaside Arrowgrass ( Tvigloahin mavitima) 79 



7 . Slltgrass ( Paspalum vaginatum) 79 



VIII COST 79 



1 . Cost Comparlslon with Other Erosion Control Methods 79 



2. Planting Costs 81 



a. Site Preparation 81 



(1) Grading the Beach Face 81 



(2) Wave-Stllllng Devices 81 



b. Harvesting, Processing, and Planting 81 



c. Site Maintenance 83 



(1) Fertilizer 83 



( 2) Debris Removal 83 



(3) Wildlife Predation 83 



3 . Summary 83 



a. Cost Comparison 83 



b. Planting Costs 83 



IX IMPACT ASSESSMENT 84 



1. Potential Benefits 84 



a. Marsh Ecology 84 



b . Nutrient Cycling 85 



c. Esthetics 85 



2. Potential Negative Impacts 85 



a. Public Access 85 



b. Heavy Metal Release 85 



c . Introducing Nuisance Species 87 



d. Nutrient Pollution 87 



3 . Summary 88 



a. Potential Benefits 88 



b . Potential Negative Impact 88 



LITERATURE CITED 89 



TABLES 



1 Wave heights produced by three vessels.. 37 



2 Smooth cordgrass survival in lower intertidal areas 54 



3 Pacific cordgrass survival in lower intertidal zone 62 



4 Man-hours required to harvest, process, and plant 1,000 planting 



units 82 



FIGURES 



1 Coastal regions of the United States 16 



