FIGURES-Continued 



Page 



36 Techniques used to stabilize an active blowout on natural foredune 121 



37 Mean cross-sectional profiles for north half of 1,200-foot bitter panicum 



dune-width plot, north Padre; 0- to 300-foot section at top, and 300- to 



600-foot section at bottom 126 



38 Mean cross-sectional profiles for south half of 1,200-foot bitter panicum 



dune-width plot, north Padre; 600- to 900-foot section at top, and 900- to 

 1,200-foot section at bottom ■ 127 



39 Nortli half (0 to 600 feet) bitter panicum dune-width plot planted 



February 1972 128 



40 Mulch-netting for increased plant survival 131 



41 Effect of fertilization on growth of bitter panicum 140 



42 Mean cross-sectional profiles of unfertilized and fertilized (180-120-60) bitter 



panicum plots 142 



43 Problems encountered in maintaining vegetated dunes 146 



44 Mean cross-sectional profiles of 1,200-foot sea oats dune, north Padre, 



planted in March 1969 147 



45 Mean cross-sectional profiles of 1,100-foot bitter panicum dune, north Padre, 



planted in February 1970 148 



46 Mean cross-sectional profiles of north, middle, and south sections of 



1,200-foot sea oats dune, north Padre, 60 months after planting 152 



47 Mean cross-sectional profile of north and south halves of 1,100-foot bitter 



panicum dune, north Padre, 39 and 49 months after planting 153 



48 Longitudinal profile along crest of the south 400 feet of 1,200-foot sea oats 



dune, north Padre 154 



49 Dune width extension plot, north Padre 156 



50 Mean cross-sectional profiles of dune-width extension plot, north Padre 157 



51 Five cross-sectional profiles of 800-foot-long section of unplanted control 



beach, one-half mile north of 1,200-foot sea oats, north Padre 159 



52 Six cross-sectional profiles of 1,200-foot sea oats, north Padre 160 



53 Cross-sectional beach profiles for the 1,200-foot sea oats planted dune, and a 



similar but unplanted beach one -half mile northward, north Padre 161 



54 Cross-sectional beach and dune profiles for the 1 , 200-foot sea oats dune 164 



10 



